General

  • Target

    139db2f46589fc379b3ed871f4366ad261f2bb57db84493130483b89266c6f3d

  • Size

    3.1MB

  • Sample

    241212-t4xr8askfl

  • MD5

    1ce973cce1f2ffd97fdfb1c8bca88bd6

  • SHA1

    01f4106a2daa961ab35f8d985da9441df5f65b3e

  • SHA256

    139db2f46589fc379b3ed871f4366ad261f2bb57db84493130483b89266c6f3d

  • SHA512

    8ccb231df6c866aaed4e9e45e8b3c6a5c6393b5ee7dd20674bbe4778d64475f42efe4ab4eb8fcb8db7903e45b212e89e33e666d025c6d4183a5e91eb56b34dc6

  • SSDEEP

    49152:iVfweKN4DRhMfBXw5kivYiphUUDV1AVbI0UvPKwnILH:iaN4DRhMf5OkdqhqVzUvPtIL

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://drive-connect.cyou/api

https://infect-crackle.cyou/api

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:8080

101.99.92.189:8080

Mutex

d5gQ6Zf7Tzih1Pi1

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

fvcxcx

C2

185.81.68.147:1912

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://covery-mover.biz/api

https://infect-crackle.cyou/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      139db2f46589fc379b3ed871f4366ad261f2bb57db84493130483b89266c6f3d

    • Size

      3.1MB

    • MD5

      1ce973cce1f2ffd97fdfb1c8bca88bd6

    • SHA1

      01f4106a2daa961ab35f8d985da9441df5f65b3e

    • SHA256

      139db2f46589fc379b3ed871f4366ad261f2bb57db84493130483b89266c6f3d

    • SHA512

      8ccb231df6c866aaed4e9e45e8b3c6a5c6393b5ee7dd20674bbe4778d64475f42efe4ab4eb8fcb8db7903e45b212e89e33e666d025c6d4183a5e91eb56b34dc6

    • SSDEEP

      49152:iVfweKN4DRhMfBXw5kivYiphUUDV1AVbI0UvPKwnILH:iaN4DRhMf5OkdqhqVzUvPtIL

    • Amadey

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

    • Amadey family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks