General

  • Target

    3ecee960f79e5c0c287bdf8e2255e6f51c889fae9870fa7689dd5048246fa574

  • Size

    239KB

  • Sample

    230923-3swv8acf35

  • MD5

    f4f316e18bb57ea07f919150fb214251

  • SHA1

    c3b4414af6e22c4c2a7650f5bba67afff85ac1ed

  • SHA256

    3ecee960f79e5c0c287bdf8e2255e6f51c889fae9870fa7689dd5048246fa574

  • SHA512

    c46dbbf66ccc0b877d6ab21fc418bcda47747990c19c6d0546dc904a9c0bc2a936d415be9d0d38ec56c5fcec5cccf1b298ea5a1ef1cb04967c0c71603a8b15af

  • SSDEEP

    6144:yk46fuYXChoQTjlFgLuCY1dRuAOMmI9Efg1/w8y0:ytYzXChdTbv1bu76Xpw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Targets

    • Target

      3ecee960f79e5c0c287bdf8e2255e6f51c889fae9870fa7689dd5048246fa574

    • Size

      239KB

    • MD5

      f4f316e18bb57ea07f919150fb214251

    • SHA1

      c3b4414af6e22c4c2a7650f5bba67afff85ac1ed

    • SHA256

      3ecee960f79e5c0c287bdf8e2255e6f51c889fae9870fa7689dd5048246fa574

    • SHA512

      c46dbbf66ccc0b877d6ab21fc418bcda47747990c19c6d0546dc904a9c0bc2a936d415be9d0d38ec56c5fcec5cccf1b298ea5a1ef1cb04967c0c71603a8b15af

    • SSDEEP

      6144:yk46fuYXChoQTjlFgLuCY1dRuAOMmI9Efg1/w8y0:ytYzXChdTbv1bu76Xpw8y

    • Detect rhadamanthys stealer shellcode

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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 Microsoft Outlook profiles

    • 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