General

  • Target

    2241496debf065c924208cc0490b95a0757b68bb0dd9b310a2da2128ee69261d

  • Size

    239KB

  • Sample

    230923-nq4eysgg22

  • MD5

    bd759bb81a64e68f91ff5e2b9604f9e7

  • SHA1

    6cc2d7f587361b532de12d8394de9dcd0b4e0dcd

  • SHA256

    2241496debf065c924208cc0490b95a0757b68bb0dd9b310a2da2128ee69261d

  • SHA512

    37d85fce8b976f3ab5c7ef84f577afa56359c08279c808e2edf52d25b5bc3c9970c91a68d9470d8abc8f1750dbebeddff90165255b8e55a38eadd86fe947d769

  • SSDEEP

    6144:pF46fuYXChoQTjlFgLuCY1dRuAOrZBXdFRXUUw8y0:pyYzXChdTbv1bu73XZw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      2241496debf065c924208cc0490b95a0757b68bb0dd9b310a2da2128ee69261d

    • Size

      239KB

    • MD5

      bd759bb81a64e68f91ff5e2b9604f9e7

    • SHA1

      6cc2d7f587361b532de12d8394de9dcd0b4e0dcd

    • SHA256

      2241496debf065c924208cc0490b95a0757b68bb0dd9b310a2da2128ee69261d

    • SHA512

      37d85fce8b976f3ab5c7ef84f577afa56359c08279c808e2edf52d25b5bc3c9970c91a68d9470d8abc8f1750dbebeddff90165255b8e55a38eadd86fe947d769

    • SSDEEP

      6144:pF46fuYXChoQTjlFgLuCY1dRuAOrZBXdFRXUUw8y0:pyYzXChdTbv1bu73XZw8y

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks