General

  • Target

    Payment_Advice.exe

  • Size

    889KB

  • Sample

    220808-gd8etaeadj

  • MD5

    b34bfacc4c2f20b5109f7a19c7027468

  • SHA1

    be376771cbb432bf2dfe89e795017d722574d57e

  • SHA256

    8fafbbb38c64c1405f96387180d8edd24593698e10ae3e2cc51aff8ca57623a8

  • SHA512

    599fb61db8f215e741a8ed3d5b292ac3a38746993781f161ef386f473fa38ef862b0c1f0a493ddd9fd3642fb140bfff44f3ed33ff8699746baf282299384a66f

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

zzun

Decoy

JnNtRHyNupy0GqRzAcasu7hb4rc=

Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=

ePArIFWvjkkMgVEVhw4M4Jk=

26rqUwJ7dD0AiDI=

pBAxMHeK741QFw==

kHD7TPt5846pUMTX

56UnjFjHL1i0j659h3LymRnHpQj+SshC

4vKlKHflPqmWXRbrRwfPtrhb4rc=

6LBd4qButFAi

phMzGll8Ue7Fu+inq5cdnPaSugG3

NKswiQGCvZoG5FgsdHEI

rtTHnuUY8M1qVcXV

SOmECrlAt2oGAA==

L1ep9adutFAi

/UE+/AyvE6uEl28weFI=

IP+xMPQxJR4NE6TK

xvW5GN9/rqA5YUoOVt185Sf7Uw==

fRFNW9DhxL6VF7LA

KFYTfkaY741QFw==

W4JGvMBmt2oGAA==

Targets

    • Target

      Payment_Advice.exe

    • Size

      889KB

    • MD5

      b34bfacc4c2f20b5109f7a19c7027468

    • SHA1

      be376771cbb432bf2dfe89e795017d722574d57e

    • SHA256

      8fafbbb38c64c1405f96387180d8edd24593698e10ae3e2cc51aff8ca57623a8

    • SHA512

      599fb61db8f215e741a8ed3d5b292ac3a38746993781f161ef386f473fa38ef862b0c1f0a493ddd9fd3642fb140bfff44f3ed33ff8699746baf282299384a66f

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • Xloader payload

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks