General

  • Target

    747b2c43ead7ede20305f2e228a4e652bda16a0e26953f7a4c1ce832d35aa96c

  • Size

    2.8MB

  • Sample

    241214-slkjhawkhz

  • MD5

    66f3fae4324f475433ed637353311be4

  • SHA1

    ec1201998837981dfa2bc5034d98bc3f51fa9d86

  • SHA256

    747b2c43ead7ede20305f2e228a4e652bda16a0e26953f7a4c1ce832d35aa96c

  • SHA512

    25c6faa5cb7ab7bd4d50ed613611240a63bd5dfd136eab56d7cd63e0c5a6183cb971df4656bb1ac2052117dd08f602e59667723ac933d3a3f6075376f00fd9fd

  • SSDEEP

    49152:yijfGxnaRXVGV9L5t2KTEQWDCBG4HaG4mcbhZ6RUKMLkqkk:ZeBaRFmV2KTrumG4SmcT6RgA7

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

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

https://immureprech.biz/api

https://deafeninggeh.biz/api

https://drive-connect.cyou/api

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/GO.png

Extracted

Family

amadey

Version

5.10

Botnet

03013e

C2

http://185.11.61.104

Attributes
  • install_dir

    0d7d65a8fb

  • install_file

    Gxtuum.exe

  • strings_key

    6a02c43bc60cba83349fcb51d95a69ff

  • url_paths

    /7jbBdsS/index.php

rc4.plain

Targets

    • Target

      747b2c43ead7ede20305f2e228a4e652bda16a0e26953f7a4c1ce832d35aa96c

    • Size

      2.8MB

    • MD5

      66f3fae4324f475433ed637353311be4

    • SHA1

      ec1201998837981dfa2bc5034d98bc3f51fa9d86

    • SHA256

      747b2c43ead7ede20305f2e228a4e652bda16a0e26953f7a4c1ce832d35aa96c

    • SHA512

      25c6faa5cb7ab7bd4d50ed613611240a63bd5dfd136eab56d7cd63e0c5a6183cb971df4656bb1ac2052117dd08f602e59667723ac933d3a3f6075376f00fd9fd

    • SSDEEP

      49152:yijfGxnaRXVGV9L5t2KTEQWDCBG4HaG4mcbhZ6RUKMLkqkk:ZeBaRFmV2KTrumG4SmcT6RgA7

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • UAC bypass

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • Drops startup file

    • 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.

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • 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

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • 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