Threat actor

Gollumfun

threat_actor:gollumfun Also: Brett Johnson

Online alias used by Brett Johnson in criminal forums and chat communities.

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Mentioned in

Relationships

Direction Predicate Other entity Origin EP
outgoing SAME_AS Brett Johnson Explicit 128
outgoing USES eBay Explicit 128
outgoing USES PayPal Explicit 128
outgoing USES ICQ Explicit 128
outgoing USES Counterfeit Library Explicit 128
outgoing ASSOCIATED_WITH Counterfeit Library Explicit 129
outgoing USES social engineering Explicit 128
outgoing USES social engineering Explicit 129
outgoing USES carding Explicit 128
outgoing USES Tax-refund fraud Explicit 128
outgoing USES Database dumps Explicit 128
outgoing USES California State Death Index Explicit 128
outgoing USES keylogger Explicit 128
outgoing USES ShadowCrew Explicit 128
outgoing ASSOCIATED_WITH ShadowCrew Explicit 129
outgoing USES Magstripe writer Derived 128
outgoing USES Blank credit cards Derived 128
outgoing USES Money mules Explicit 128
outgoing USES Forum vouching and reputation system Explicit 128
outgoing USES stolen credit-card fraud Explicit 129
outgoing USES tax return identity theft Explicit 129
outgoing USES counterfeit cashier’s checks Explicit 129
outgoing USES controlled delivery Explicit 129
outgoing USES prepaid debit cards Explicit 129
incoming OPERATED_BY ShadowCrew Explicit 128
incoming SAME_AS Brett Johnson Explicit 129
incoming MEMBER_OF Albert Gonzalez Derived 129

Claims

Gollumfun SAME_AS Brett Johnson

Jack identifies Brett Johnson as the person known online as Gollumfun.

Explicit Confidence 99% · Jack Rhysider EP 128 Details

“Brett, or Gollumfun”

Jack Rhysider · offsets 41734–41753

Gollumfun USES eBay

Brett says that finding eBay led him into further online criminal activity and that he used eBay for scams and sales.

Explicit Confidence 98% · Brett Johnson EP 128 Details

“that’s when I find eBay, and then eBay leads into all this other stuff”

Brett Johnson · offsets 18966–19036

“I was selling it all on eBay”

Brett Johnson · offsets 21770–21800

Gollumfun USES PayPal

Brett says he used PayPal to receive payments and later committed PayPal fraud.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“PayPal really becomes popular”

Brett Johnson · offsets 29799–29828

“We were pretty big on fake driver’s licenses, eBay, PayPal fraud”

Brett Johnson · offsets 41034–41098

Gollumfun USES ICQ

Brett used ICQ to communicate with criminal associates and operate online relationships.

Explicit Confidence 98% · Brett Johnson EP 128 Details

“We also start talking on ICQ”

Brett Johnson · offsets 31854–31882

“we always talked on Sunday night on ICQ”

Brett Johnson · offsets 46886–46925

Gollumfun USES Counterfeit Library

Brett used Counterfeit Library as a forum for communicating with other criminals, learning scams, and conducting criminal commerce.

Explicit Confidence 98% · Brett Johnson EP 128 Details

“I get on the forum”

Brett Johnson · offsets 31467–31485

“I was pretty much friends with the people who run Counterfeit Library”

Brett Johnson · offsets 32890–32967

Gollumfun USES social engineering

Brett explicitly characterizes himself as a social engineer and manipulator while deceiving his wife and victims.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“I was the social engineer and I was a manipulator”

Brett Johnson · offsets 35483–35532

Gollumfun USES carding

Brett describes himself as a carder and participated in the credit-card fraud activity centered on Counterfeit Library and ShadowCrew.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“A good carder – and I term myself a good carder”

Brett Johnson · offsets 43600–43647

Gollumfun USES Tax-refund fraud

Brett says he filed fraudulent income-tax returns for dead people and cashed out the resulting funds.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“I started filing income tax returns, fraudulent income tax returns, on dead people”

Brett Johnson · offsets 50719–50801

Gollumfun USES Database dumps

Brett used database dumps found on ShadowCrew to search for information useful in opening accounts under other people’s names.

Explicit Confidence 96% · Brett Johnson EP 128 Details

“I started looking through these to see if there’s anything useful for me in that data”

Brett Johnson · offsets 50200–50278

“Sometimes I’d find some data to be able to open accounts under other people’s names”

Brett Johnson · offsets 50300–50375

Gollumfun USES California State Death Index

Brett says he obtained access to the California State Death Index and researched ways to exploit its information.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“I got was the California State Death Index. So, I had access to that”

Brett Johnson · offsets 49914–49982

Gollumfun USES keylogger

Brett placed keyloggers on a computer to monitor his wife’s activity.

Explicit Confidence 99% · Brett Johnson EP 128 Details

“I had placed key-loggers on the computer”

Brett Johnson · offsets 36872–36912

ShadowCrew OPERATED_BY Gollumfun

Brett became an administrator and later took over operation and ownership of ShadowCrew after Seth quit.

Explicit Confidence 99% · Jack Rhysider EP 128 Details

“Brett, or Gollumfun, was a moderator and admin of ShadowCrew”

Jack Rhysider · offsets 49242–49302

“So, Brett took over shadowcrew.com”

Jack Rhysider · offsets 57406–57440

Gollumfun USES ShadowCrew

Brett operated ShadowCrew as an online criminal marketplace and used it to coordinate carding and other criminal activity.

Explicit Confidence 98% · Jack Rhysider EP 128 Details

“Brett took over shadowcrew.com”

Jack Rhysider · offsets 57410–57440

“ShadowCrew was a marketplace for illegal things”

Brett Johnson · offsets 58560–58620

Gollumfun USES Magstripe writer

Brett describes the carding operation’s use of magstripe writers to write stolen card data onto blank cards; the episode presents this as activity on the forums and by carders.

Derived Confidence 78% · Jack Rhysider EP 128 Details

“Counterfeit Library began exploding with chatter about how to get magstripe writers”

Jack Rhysider · offsets 44613–44696

Gollumfun USES Blank credit cards

Brett describes carders writing stolen data onto blank credit cards for ATM cash-outs.

Derived Confidence 80% · Jack Rhysider EP 128 Details

“ways to write the data to the card”

Jack Rhysider · offsets 44724–44758

“write them to blank cards, and then go to ATMs and cash out”

Jack Rhysider · offsets 45349–45408

Gollumfun USES Money mules

The carding operation relied on money mules because the Ukrainian participants could not cash out the stolen card data themselves.

Explicit Confidence 90% · Brett Johnson EP 128 Details

“The Ukrainians simply could not put cash in pocket literally themselves, so they had to rely on money mules”

Brett Johnson · offsets 45453–45560

Gollumfun USES Forum vouching and reputation system

Brett participated in the forum’s seller-screening and reputation process, including reviewing whether sellers could operate on the site.

Explicit Confidence 90% · Jack Rhysider EP 128 Details

“all sellers had to be checked out by him before they could sell on the site”

Jack Rhysider · offsets 41789–41864

Brett Johnson SAME_AS Gollumfun

Jack explicitly refers to Brett as Gollumfun, and the episode presents the two identities as the same person.

Explicit Confidence 99% · Jack Rhysider EP 129 Details

“Brett, or Gollumfun”

Jack Rhysider · offsets 10060–10079

Gollumfun USES stolen credit-card fraud

Gollumfun is described as engaging in stolen-credit-card activity.

Explicit Confidence 98% · Jack Rhysider EP 129 Details

“ordering things with stolen credit cards, cashing out on stolen credit cards”

Jack Rhysider · offsets 10292–10368

Gollumfun USES tax return identity theft

Brett says he repeatedly committed tax-return fraud and tax-return identity theft.

Explicit Confidence 99% · Brett Johnson EP 129 Details

“I was probably stealing – probably $20,000 a week doing that on tax return fraud”

Brett Johnson · offsets 25864–25944

Gollumfun USES counterfeit cashier’s checks

After ShadowCrew was shut down, Brett says he used counterfeit cashier’s checks to survive.

Explicit Confidence 99% · Brett Johnson EP 129 Details

“the only thing I’m left doing is running counterfeit cashier’s checks”

Brett Johnson · offsets 16314–16383

Gollumfun USES social engineering

Brett used social engineering to distract Secret Service agents during an apartment search and conceal illegal items.

Explicit Confidence 99% · Jack Rhysider EP 129 Details

“Brett tricked the Secret Service agents and took advantage of their trust to social engineer them”

Jack Rhysider · offsets 47104–47201

Gollumfun USES controlled delivery

A controlled delivery was used to arrest Brett after he ordered food with stolen credit cards.

Explicit Confidence 99% · Brett Johnson EP 129 Details

“So they – it was controlled delivery. I go to pick up the steaks”

Brett Johnson · offsets 73966–74030

Gollumfun USES prepaid debit cards

Brett repeatedly used prepaid debit cards in connection with tax-refund fraud.

Explicit Confidence 98% · Brett Johnson EP 129 Details

“I take that $30 and I walk my ass to Walmart and I buy a prepaid debit card”

Brett Johnson · offsets 26400–26500

“I’ve got prepaid debit cards”

Brett Johnson · offsets 45293–45321

Gollumfun ASSOCIATED_WITH Counterfeit Library

Brett says Counterfeit Library was one of the criminal collaboration sites that enabled this type of fraud.

Explicit Confidence 95% · Brett Johnson EP 129 Details

“before those sites we were talking about, Counterfeit Library and ShadowCrew”

Brett Johnson · offsets 4782–4858

Gollumfun ASSOCIATED_WITH ShadowCrew

Brett says he posted tutorials on ShadowCrew explaining how to commit eBay fraud and walked people through it.

Explicit Confidence 99% · Brett Johnson EP 129 Details

“I remember clearly posting many tutorials on how to do this type of fraud on eBay, and even walking people through it”

Brett Johnson · offsets 5117–5234

Albert Gonzalez MEMBER_OF Gollumfun

Albert Gonzalez is described as a member of ShadowCrew; the catalog identifies ShadowCrew’s criminal-actor entity as Gollumfun.

Derived Confidence 72% · Jack Rhysider EP 129 Details

“He was a member on ShadowCrew and eventually became the forum techie”