General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241207-wnrblsxnbw

  • MD5

    a359d8b520114d92895e10cfed863537

  • SHA1

    8cc5feb43dc5096488cdc695c2aaea7dfc3cf3a3

  • SHA256

    5eaf7a84baade9eedd02b65453ee46f0524b16755c790def5f56a02ca41b1e51

  • SHA512

    5a2ec5ec4c7c4769a9307b369e4777bc4f5273a6d1d09069f33f6c3c043509a003e64e6a6e846dc87340bae3abdfaebd76ed6cc40faabe2d7666477ff83fdc73

  • SSDEEP

    49152:onLgOLpu/qsnCZ2MAGbmpk2r65AJShC6h/4hFhmJ6f:oLDLJsnCZ2MAGbmpk4SZhuFqu

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

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

meduza

C2

5.252.155.28

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    824

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

      file.exe

    • Size

      3.1MB

    • MD5

      a359d8b520114d92895e10cfed863537

    • SHA1

      8cc5feb43dc5096488cdc695c2aaea7dfc3cf3a3

    • SHA256

      5eaf7a84baade9eedd02b65453ee46f0524b16755c790def5f56a02ca41b1e51

    • SHA512

      5a2ec5ec4c7c4769a9307b369e4777bc4f5273a6d1d09069f33f6c3c043509a003e64e6a6e846dc87340bae3abdfaebd76ed6cc40faabe2d7666477ff83fdc73

    • SSDEEP

      49152:onLgOLpu/qsnCZ2MAGbmpk2r65AJShC6h/4hFhmJ6f:oLDLJsnCZ2MAGbmpk4SZhuFqu

    • 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

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza 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

    • Accesses Microsoft Outlook profiles

    • 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

MITRE ATT&CK Enterprise v15

Tasks