General

  • Target

    PO_0018251-26931.js

  • Size

    360KB

  • Sample

    220628-l3x3laadh9

  • MD5

    14d7b7944fe3f3f6d379ef011b7abcd3

  • SHA1

    20d00db55f778ae7db48881f022b59f17ad3644e

  • SHA256

    24f26aded3fc1498cfa25636b0f53feab05bf646c8288782d7ff6d10799822b2

  • SHA512

    8f970656c4a6d8fc9fd9078e46d9da84a0cd888e8acb3a0a1f8efcfd5f181405da87548eda6d18c422349ac807d451b6a4e1925e6be72a98941543afb6465266

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

vs8g

Decoy

xEVEsySadSMf8UUC

H8ZbYtGKWPCfp91+uS3TFo/F7tYacwDqHw==

L/St5UjIhTMzEHsb

8h8tDvq0nl8JCWoagxa0MVyvnA==

7bml44z9jZsZx8Co2T8=

EwH88ZtcOu8ehs2P2o6wv78FEe4+xRQ=

bTn3LpE1HfpPAXI=

nYxT+9GLhS1d3zzGJuTDlgpT

HxonIwh8TesenMCo2T8=

Ki83MiehhC9e1i7YQ/Wd32JsGcun

wHcUByFRMuEGh8Co2T8=

86tqpg/Jy60eFmMRPefDlgpT

grSUYa5yahUf8UUC

HVviVsk7Cb6Elc571pnSWCJ93G17PkiI

6LJ1qBPUtGNIl8Co2T8=

AYuWD33xt44VxsCo2T8=

/smXvLMh868VzQqs99/DlgpT

1kEMNVtaMw6KmN+YANYm+kA=

daarti3nbFVKnsCo2T8=

0EJM6cFFHvawA2U=

Targets

    • Target

      PO_0018251-26931.js

    • Size

      360KB

    • MD5

      14d7b7944fe3f3f6d379ef011b7abcd3

    • SHA1

      20d00db55f778ae7db48881f022b59f17ad3644e

    • SHA256

      24f26aded3fc1498cfa25636b0f53feab05bf646c8288782d7ff6d10799822b2

    • SHA512

      8f970656c4a6d8fc9fd9078e46d9da84a0cd888e8acb3a0a1f8efcfd5f181405da87548eda6d18c422349ac807d451b6a4e1925e6be72a98941543afb6465266

    • Formbook

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • Xloader Payload

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks