General

  • Target

    940868416aaf8f58b2284206044f3e6a208fbc5a0873361c02177f277e371c16

  • Size

    239KB

  • Sample

    230923-mz1vraee31

  • MD5

    b2c175e95cbbac48bd2398231910092d

  • SHA1

    f59c4701a73a542919f45020a2a237157caa167d

  • SHA256

    940868416aaf8f58b2284206044f3e6a208fbc5a0873361c02177f277e371c16

  • SHA512

    6b063b8cffd48495bb4bbb6eee29992074b2b789bdaa499c27de013a2c8327ea52625c9d441158a992b31dad5dede93e7f1cbd262718ca50c0e420e42e25c704

  • SSDEEP

    6144:lJ46fuYXChoQTjlFgLuCY1dRuAO71TRE0/w8y0:l+YzXChdTbv1buXVDw8y

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

      940868416aaf8f58b2284206044f3e6a208fbc5a0873361c02177f277e371c16

    • Size

      239KB

    • MD5

      b2c175e95cbbac48bd2398231910092d

    • SHA1

      f59c4701a73a542919f45020a2a237157caa167d

    • SHA256

      940868416aaf8f58b2284206044f3e6a208fbc5a0873361c02177f277e371c16

    • SHA512

      6b063b8cffd48495bb4bbb6eee29992074b2b789bdaa499c27de013a2c8327ea52625c9d441158a992b31dad5dede93e7f1cbd262718ca50c0e420e42e25c704

    • SSDEEP

      6144:lJ46fuYXChoQTjlFgLuCY1dRuAO71TRE0/w8y0:l+YzXChdTbv1buXVDw8y

    • 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