General

  • Target

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7_Sigmanly

  • Size

    2.8MB

  • Sample

    241222-k7h9kaspck

  • MD5

    76c2f75bf3efb5964c432f7661d22d58

  • SHA1

    521badd0c5d9f85986a7845b3163b82b87c0589d

  • SHA256

    939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

  • SHA512

    e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

  • SSDEEP

    49152:GcUejriX8cBywn04rFnpO3vNcDmq//ICH44JTD8K6QlO:GcUejrk8cANeDO3lamggM441De

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

cryptbot

Targets

    • Target

      939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7_Sigmanly

    • Size

      2.8MB

    • MD5

      76c2f75bf3efb5964c432f7661d22d58

    • SHA1

      521badd0c5d9f85986a7845b3163b82b87c0589d

    • SHA256

      939310706200640f603a1fb3e6528c3a4bafa87e0d610e817a7824cf2e089bc7

    • SHA512

      e9462f252fdb9f4591b0b96a97cee084e88299c066b7d1d0e862bc9b78fed2e1159d91fc74fa906f0b942f36560fffda2dc49dd059e48dc309489c9047955e51

    • SSDEEP

      49152:GcUejriX8cBywn04rFnpO3vNcDmq//ICH44JTD8K6QlO:GcUejrk8cANeDO3lamggM441De

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xmrig family

    • xmrig

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

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks