General

  • Target

    a1a647f34c4a8583f720a1042e570cdca073f8303b9245765d49a809d017466c

  • Size

    6.9MB

  • Sample

    241207-z83rxstrhx

  • MD5

    e58c50d1d193f4f718e949fd72e60afa

  • SHA1

    6130753cb7e2fffba27e7079a0b44f603e37c611

  • SHA256

    a1a647f34c4a8583f720a1042e570cdca073f8303b9245765d49a809d017466c

  • SHA512

    b092c6230f7736d0f8308bc73bce8509e9dd029806901557a8a1ac56310fdc2e49a6a5d13c014ef105006ce0c6ec20d4bc2934216bf6fc9803d53feb19072cc5

  • SSDEEP

    98304:07u2bgZJJu5WEsXtf5NICKbdyljXB09t4ktMYydmMUFYcRvnoykBs6koSUMT6lMa:WsJJaBEf5KbFxGsFloyX6kvKM

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

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://atten-supporse.biz/api

https://infect-crackle.cyou/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

5.04

Botnet

397a17

C2

http://89.110.69.103

http://94.156.177.33

Attributes
  • install_dir

    0efeaab28d

  • install_file

    Gxtuum.exe

  • strings_key

    6dea7a0890c1d404d1b67c90aea6ece4

  • url_paths

    /Lv2D7fGdopb/index.php

    /b9kdj3s3C0/index.php

rc4.plain

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

https://infect-crackle.cyou/api

Targets

    • Target

      a1a647f34c4a8583f720a1042e570cdca073f8303b9245765d49a809d017466c

    • Size

      6.9MB

    • MD5

      e58c50d1d193f4f718e949fd72e60afa

    • SHA1

      6130753cb7e2fffba27e7079a0b44f603e37c611

    • SHA256

      a1a647f34c4a8583f720a1042e570cdca073f8303b9245765d49a809d017466c

    • SHA512

      b092c6230f7736d0f8308bc73bce8509e9dd029806901557a8a1ac56310fdc2e49a6a5d13c014ef105006ce0c6ec20d4bc2934216bf6fc9803d53feb19072cc5

    • SSDEEP

      98304:07u2bgZJJu5WEsXtf5NICKbdyljXB09t4ktMYydmMUFYcRvnoykBs6koSUMT6lMa:WsJJaBEf5KbFxGsFloyX6kvKM

    • Amadey

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

    • Amadey 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

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

    • 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

    • 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

MITRE ATT&CK Enterprise v15

Tasks