General

  • Target

    634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe

  • Size

    3.1MB

  • Sample

    241211-c7cssaslgw

  • MD5

    1f3880629f4830ad6b109bec208f274a

  • SHA1

    55e3d4d3536eb1620d635a6350db4709dcff0ce2

  • SHA256

    634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321

  • SHA512

    3ba9d448fe0de299cfc0f83e902e8149fedff5e9dd3e3cdc3ac7fb153d54e7ab829a25ddd8794470c8e78fdc9178ca690dc3f69ecd2a7b2d61a38180004915e4

  • SSDEEP

    98304:pPR9FCxdTCuiZARs+txszDbFuMtzKBbSN:pPR9HksgxcHFbm5

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

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

lumma

C2

https://atten-supporse.biz/api

https://covery-mover.biz/api

Targets

    • Target

      634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe

    • Size

      3.1MB

    • MD5

      1f3880629f4830ad6b109bec208f274a

    • SHA1

      55e3d4d3536eb1620d635a6350db4709dcff0ce2

    • SHA256

      634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321

    • SHA512

      3ba9d448fe0de299cfc0f83e902e8149fedff5e9dd3e3cdc3ac7fb153d54e7ab829a25ddd8794470c8e78fdc9178ca690dc3f69ecd2a7b2d61a38180004915e4

    • SSDEEP

      98304:pPR9FCxdTCuiZARs+txszDbFuMtzKBbSN:pPR9HksgxcHFbm5

    • Amadey

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

    • Amadey family

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks