General

  • Target

    3b49df18590b96671a64fa7ce3a8a48728fd2a5f9765ae8fd1edb95a47848491N.exe

  • Size

    5.0MB

  • Sample

    241216-a15twavnbv

  • MD5

    5127b5f8be61b8d7aecacaf0db0d1800

  • SHA1

    d51c1febdc534c38cf613eac7705fe1470ed1445

  • SHA256

    3b49df18590b96671a64fa7ce3a8a48728fd2a5f9765ae8fd1edb95a47848491

  • SHA512

    ba06262416ec99e60eac14dbf3ee0f03010bfec0af6caa7eaa09939406ac7b88f3269c7f8b725b7c57acab68add3e2833262558be5b370d0c6174c8fdde54d08

  • SSDEEP

    98304:mRTwEcdBA1K8g2YCqKxpovkHT4dRbLc1yG6ge0QdpEhki2YQ1bhq:cwjYOe9px4/bEbQdpEhkiwb

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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://shineugler.biz/api

https://tacitglibbr.biz/api

Extracted

Family

cryptbot

Extracted

Family

lumma

C2

https://shineugler.biz/api

https://tacitglibbr.biz/api

https://drive-connect.cyou/api

Targets

    • Target

      3b49df18590b96671a64fa7ce3a8a48728fd2a5f9765ae8fd1edb95a47848491N.exe

    • Size

      5.0MB

    • MD5

      5127b5f8be61b8d7aecacaf0db0d1800

    • SHA1

      d51c1febdc534c38cf613eac7705fe1470ed1445

    • SHA256

      3b49df18590b96671a64fa7ce3a8a48728fd2a5f9765ae8fd1edb95a47848491

    • SHA512

      ba06262416ec99e60eac14dbf3ee0f03010bfec0af6caa7eaa09939406ac7b88f3269c7f8b725b7c57acab68add3e2833262558be5b370d0c6174c8fdde54d08

    • SSDEEP

      98304:mRTwEcdBA1K8g2YCqKxpovkHT4dRbLc1yG6ge0QdpEhki2YQ1bhq:cwjYOe9px4/bEbQdpEhkiwb

    • 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

    • Enumerates VirtualBox registry keys

    • 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.

    • 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.

    • 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.

    • 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