General

  • Target

    1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe

  • Size

    5.4MB

  • Sample

    241206-cqe7ksvmew

  • MD5

    d8e277397a6ffa5f6d556c76ccaefe44

  • SHA1

    544877ae6fb4d5f5252e6b191c51dbc62981da8a

  • SHA256

    1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e

  • SHA512

    6c41384aeb0343d2f771a1c693c27363ddc31fc88b0fa54db2bba6f46fee87d7f0d0d6620c6de8f4875a6afd819646d18404ceb76736bd87bf6d0e9743b54725

  • SSDEEP

    98304:A3Mo6YwJNkk3IHikKQ7bbCUvCGMYtqClKwQv7EKGUG6N1BqLHshga2k6QwCTC0U0:AZ6YgNkvKCCUvCZYRsVv7fGUGSBq7vPk

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://exodus.lat/COMSurrogate.exe

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://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://atten-supporse.biz/api

https://ratiomun.cyou/api

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

orcus

C2

45.74.38.211:4782

Mutex

7a9c0f279c464958aebbd585f20f1cf2

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

https://dwell-exclaim.biz/api

https://formy-spill.biz/api

https://covery-mover.biz/api

https://dare-curbys.biz/api

https://print-vexer.biz/api

Targets

    • Target

      1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe

    • Size

      5.4MB

    • MD5

      d8e277397a6ffa5f6d556c76ccaefe44

    • SHA1

      544877ae6fb4d5f5252e6b191c51dbc62981da8a

    • SHA256

      1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e

    • SHA512

      6c41384aeb0343d2f771a1c693c27363ddc31fc88b0fa54db2bba6f46fee87d7f0d0d6620c6de8f4875a6afd819646d18404ceb76736bd87bf6d0e9743b54725

    • SSDEEP

      98304:A3Mo6YwJNkk3IHikKQ7bbCUvCGMYtqClKwQv7EKGUG6N1BqLHshga2k6QwCTC0U0:AZ6YgNkvKCCUvCZYRsVv7fGUGSBq7vPk

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • TA505

      Cybercrime group active since 2015, responsible for families like Dridex and Locky.

    • Ta505 family

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

    • Orcurs Rat Executable

    • 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.

    • 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 web browsers

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks