General

  • Target

    ad8773dd53db992fecf9988cbedeea0a42e899995030766e4314fbb752b67249.exe

  • Size

    2.8MB

  • Sample

    241217-evy7cs1neq

  • MD5

    bf03b982421c50b3c232a902eed53e31

  • SHA1

    5f1bdec3bf5ef51e982ebd35ef62d4ab461891bd

  • SHA256

    ad8773dd53db992fecf9988cbedeea0a42e899995030766e4314fbb752b67249

  • SHA512

    dd77759327f5bac2cbb935de95e4d9c57931a548715fb7de041d8367b4e98a0ef2476577d399ef2c84a9b2f26516abf579575949bfd7917bd83ce2f9f91fdfd1

  • SSDEEP

    49152:nvzSPYPGhM06DbXnnIMgFsXK5vQxw6oO:n7SPYPG206DcMCsa5vQKPO

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://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://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

Extracted

Family

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      ad8773dd53db992fecf9988cbedeea0a42e899995030766e4314fbb752b67249.exe

    • Size

      2.8MB

    • MD5

      bf03b982421c50b3c232a902eed53e31

    • SHA1

      5f1bdec3bf5ef51e982ebd35ef62d4ab461891bd

    • SHA256

      ad8773dd53db992fecf9988cbedeea0a42e899995030766e4314fbb752b67249

    • SHA512

      dd77759327f5bac2cbb935de95e4d9c57931a548715fb7de041d8367b4e98a0ef2476577d399ef2c84a9b2f26516abf579575949bfd7917bd83ce2f9f91fdfd1

    • SSDEEP

      49152:nvzSPYPGhM06DbXnnIMgFsXK5vQxw6oO:n7SPYPG206DcMCsa5vQKPO

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • 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.

    • 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.

    • 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 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.

    • 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.

    • 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