General

  • Target

    55816a7763d094b31acb49042117a11d.exe

  • Size

    1.4MB

  • Sample

    231112-bc75rsch64

  • MD5

    55816a7763d094b31acb49042117a11d

  • SHA1

    ae380a2f1bd1dea1ed7ee3c194707bebbacdad81

  • SHA256

    604d74771e04b36b54d5dba085da04a6a45f9c0138618576edc5a063ba5a36f6

  • SHA512

    0e3acb34971182e923371d8bf903a45a3cc6670ca4bf5af7e67e419f1180ae094c028cae9abae079bbac4648dc2319947e1f63f6e26843b70c9afc9fbdedbdca

  • SSDEEP

    24576:lyahlyaBM6ThQSOqVeAIsgwHGHl/D/bRjcv6gaHNj9M/MIPpzzmd+wMsuz/6WItj:AelyaqK5OueHPmGpfRjcvsIlzmsslt

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

stealc

C2

http://77.91.68.247

Attributes
  • url_path

    /c36258786fdc16da.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      55816a7763d094b31acb49042117a11d.exe

    • Size

      1.4MB

    • MD5

      55816a7763d094b31acb49042117a11d

    • SHA1

      ae380a2f1bd1dea1ed7ee3c194707bebbacdad81

    • SHA256

      604d74771e04b36b54d5dba085da04a6a45f9c0138618576edc5a063ba5a36f6

    • SHA512

      0e3acb34971182e923371d8bf903a45a3cc6670ca4bf5af7e67e419f1180ae094c028cae9abae079bbac4648dc2319947e1f63f6e26843b70c9afc9fbdedbdca

    • SSDEEP

      24576:lyahlyaBM6ThQSOqVeAIsgwHGHl/D/bRjcv6gaHNj9M/MIPpzzmd+wMsuz/6WItj:AelyaqK5OueHPmGpfRjcvsIlzmsslt

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks