General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241204-h13nhsxkh1

  • MD5

    be071fbe0e369c1a68e148c30f5ff6f7

  • SHA1

    7996746e0314c0e5a923dd7ecd49b78594f372b5

  • SHA256

    ac0d118d16dfcbe347b3060c710d870164f5e9068268ef6f4185eda19ab1c715

  • SHA512

    eeea3cbc3a94c1fb5c16197e7920b5d591a8f198a8694370cfaf5641029910319e0774f50dd25caf76ec32feab6f981042a154e19d5654cef85921594f78f526

  • SSDEEP

    49152:PfF91e02DDIpe+8q5Xu+1rbfm8yvXs0wB5mZj:P9Pq21Hu6rbAXs0wBcZ

Malware Config

Extracted

Family

stealc

Botnet

drum

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

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

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

lumma

C2

https://crib-endanger.sbs

https://faintbl0w.sbs

https://300snails.sbs

https://bored-light.sbs

https://3xc1aimbl0w.sbs

https://pull-trucker.sbs

https://fleez-inc.sbs

https://thicktoys.sbs

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://salve-windp.cyou

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      be071fbe0e369c1a68e148c30f5ff6f7

    • SHA1

      7996746e0314c0e5a923dd7ecd49b78594f372b5

    • SHA256

      ac0d118d16dfcbe347b3060c710d870164f5e9068268ef6f4185eda19ab1c715

    • SHA512

      eeea3cbc3a94c1fb5c16197e7920b5d591a8f198a8694370cfaf5641029910319e0774f50dd25caf76ec32feab6f981042a154e19d5654cef85921594f78f526

    • SSDEEP

      49152:PfF91e02DDIpe+8q5Xu+1rbfm8yvXs0wB5mZj:P9Pq21Hu6rbAXs0wBcZ

    • 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

    • Enumerates VirtualBox registry keys

    • 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)

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks