General

  • Target

    9ec7fc750fe77210f8b47d16680bdcf7c2c97177517e604214eb560a2a90386aN.exe

  • Size

    2.8MB

  • Sample

    241219-chcfqasral

  • MD5

    c32d39710b13585f9608ebac9e028ea0

  • SHA1

    96ce25ea1f05d91a7314e6eed4101af60259a811

  • SHA256

    9ec7fc750fe77210f8b47d16680bdcf7c2c97177517e604214eb560a2a90386a

  • SHA512

    e6222188e39d4260c8de06a4d8033ef2a4c1122e8df22fda616b4bb2de2377846c1621f3cb0d9840c81791b7a1cba3276081063875a91781972a2be0da96e3c5

  • SSDEEP

    49152:GLNDk2Pu0hI2hcbYQc4Nv0PYax7Ia1uTZYs:GFk2PuWIBeOv0P1WayZYs

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

cryptbot

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

Extracted

Family

lumma

Targets

    • Target

      9ec7fc750fe77210f8b47d16680bdcf7c2c97177517e604214eb560a2a90386aN.exe

    • Size

      2.8MB

    • MD5

      c32d39710b13585f9608ebac9e028ea0

    • SHA1

      96ce25ea1f05d91a7314e6eed4101af60259a811

    • SHA256

      9ec7fc750fe77210f8b47d16680bdcf7c2c97177517e604214eb560a2a90386a

    • SHA512

      e6222188e39d4260c8de06a4d8033ef2a4c1122e8df22fda616b4bb2de2377846c1621f3cb0d9840c81791b7a1cba3276081063875a91781972a2be0da96e3c5

    • SSDEEP

      49152:GLNDk2Pu0hI2hcbYQc4Nv0PYax7Ia1uTZYs:GFk2PuWIBeOv0P1WayZYs

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

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

    • Enumerates VirtualBox registry keys

    • 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

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • 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

    • 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