General

  • Target

    e5b32ba4f7b2f54f95d3856220aa252c6122116e16916133d20a9f38ca9e4c7b

  • Size

    2.9MB

  • Sample

    241219-gqjxzssmck

  • MD5

    0f299dff09ef0812a445f45f955ce8b2

  • SHA1

    08479f8270aefa0c901f42131a8c805577689de1

  • SHA256

    e5b32ba4f7b2f54f95d3856220aa252c6122116e16916133d20a9f38ca9e4c7b

  • SHA512

    2539b8d7516e5230e70aa20dcac3d712b38c6d7a13b923ae88ad8c52b20e70ae715f8f64232c4153486d943569eba6a2abff5e3ce6c21b25b3c5852544ebda04

  • SSDEEP

    49152:18GUOiFKP0FB56S2xmkHdcd7grPT/VL6Gx2NNmP3s:1p0FB56jx5c5gXNGG1P3s

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

cryptbot

Extracted

Family

lumma

Targets

    • Target

      e5b32ba4f7b2f54f95d3856220aa252c6122116e16916133d20a9f38ca9e4c7b

    • Size

      2.9MB

    • MD5

      0f299dff09ef0812a445f45f955ce8b2

    • SHA1

      08479f8270aefa0c901f42131a8c805577689de1

    • SHA256

      e5b32ba4f7b2f54f95d3856220aa252c6122116e16916133d20a9f38ca9e4c7b

    • SHA512

      2539b8d7516e5230e70aa20dcac3d712b38c6d7a13b923ae88ad8c52b20e70ae715f8f64232c4153486d943569eba6a2abff5e3ce6c21b25b3c5852544ebda04

    • SSDEEP

      49152:18GUOiFKP0FB56S2xmkHdcd7grPT/VL6Gx2NNmP3s:1p0FB56jx5c5gXNGG1P3s

    • 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

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks