General

  • Target

    7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6

  • Size

    3.1MB

  • Sample

    250127-j4zayazrhr

  • MD5

    3fb49282f1c411d2d84177bacf897e08

  • SHA1

    97d9a1e8ccb78640a74824e1e3172b9a45626552

  • SHA256

    7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6

  • SHA512

    bf9d31d629836445a12c8b5d6869950ac0e6b6bdec505ad28d08721fc48ad89728bd84961e6a4625ac2c57f707665c58d3e11e066067d4104b78fa5884067e61

  • SSDEEP

    49152:9OMI28YSlwJngtXZyzBptdDXFJ7evWS4RRB:g28FwJngtJyzBZDVUvZ4vB

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://toppyneedus.biz/api

Targets

    • Target

      7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6

    • Size

      3.1MB

    • MD5

      3fb49282f1c411d2d84177bacf897e08

    • SHA1

      97d9a1e8ccb78640a74824e1e3172b9a45626552

    • SHA256

      7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6

    • SHA512

      bf9d31d629836445a12c8b5d6869950ac0e6b6bdec505ad28d08721fc48ad89728bd84961e6a4625ac2c57f707665c58d3e11e066067d4104b78fa5884067e61

    • SSDEEP

      49152:9OMI28YSlwJngtXZyzBptdDXFJ7evWS4RRB:g28FwJngtJyzBZDVUvZ4vB

    • 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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks