General

  • Target

    0098764345678.exe

  • Size

    815KB

  • Sample

    220808-s987rscgbm

  • MD5

    69ec82c711ed34399013471e214a7e64

  • SHA1

    f7fd0fc9eb038b2debf63b0ebec21f48c3fffdd4

  • SHA256

    f71f9af9db20ea569e9a4b528898183f182a9d98a6f8668275c55690b5a59c49

  • SHA512

    c754f373d1ffc031c50ade5a01361db53dded163e050b53fdb050fc450f2342efd40234fbf9bda15fbbc6509f66cd3bbd8fa13e32e436051cd84adce4f31e173

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

      0098764345678.exe

    • Size

      815KB

    • MD5

      69ec82c711ed34399013471e214a7e64

    • SHA1

      f7fd0fc9eb038b2debf63b0ebec21f48c3fffdd4

    • SHA256

      f71f9af9db20ea569e9a4b528898183f182a9d98a6f8668275c55690b5a59c49

    • SHA512

      c754f373d1ffc031c50ade5a01361db53dded163e050b53fdb050fc450f2342efd40234fbf9bda15fbbc6509f66cd3bbd8fa13e32e436051cd84adce4f31e173

    • 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

    • 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

3
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