General

  • Target

    191d113401af31884b55a8db94126e59338e2e10d0b212b6fd0a2d7f55d1656a

  • Size

    3.6MB

  • Sample

    241208-y86m5stnev

  • MD5

    3bc888b63247898f10e270e0711ccca2

  • SHA1

    342efb0b96606ddbe130fb362c24aa1661a72f33

  • SHA256

    191d113401af31884b55a8db94126e59338e2e10d0b212b6fd0a2d7f55d1656a

  • SHA512

    0684c613bbbef78ccd2c127e305ad9115a4623e8a3617a1a2d88c925725fb1817674f7f5b9c5394e60759c655660a5723f8a07d80bd369e5951970e1b3d5f5a1

  • SSDEEP

    98304:b5TOfP9BOxle7zesk/WLKmLNi4ZBjUYnFVzkBhOZOAj/P:YQlEesaJmLNFPj9r4uOOP

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

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

45.200.148.155:6060

Mutex

4b3820e0-d123-49d9-b51e-3c4daa4f6874

Attributes
  • encryption_key

    F8879E9B26846C57C99B6F152F74703E1CC15B8B

  • install_name

    SecurityHealthSystray.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SecurityHealthSystray.exe

  • subdirectory

    SubDir

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

Targets

    • Target

      191d113401af31884b55a8db94126e59338e2e10d0b212b6fd0a2d7f55d1656a

    • Size

      3.6MB

    • MD5

      3bc888b63247898f10e270e0711ccca2

    • SHA1

      342efb0b96606ddbe130fb362c24aa1661a72f33

    • SHA256

      191d113401af31884b55a8db94126e59338e2e10d0b212b6fd0a2d7f55d1656a

    • SHA512

      0684c613bbbef78ccd2c127e305ad9115a4623e8a3617a1a2d88c925725fb1817674f7f5b9c5394e60759c655660a5723f8a07d80bd369e5951970e1b3d5f5a1

    • SSDEEP

      98304:b5TOfP9BOxle7zesk/WLKmLNi4ZBjUYnFVzkBhOZOAj/P:YQlEesaJmLNFPj9r4uOOP

    • 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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • 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.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks