General

  • Target

    f72dcfa8ca3dee1079c951692be0b687f51586cace5d485f29e1ae55fb0f7813N.exe

  • Size

    1.8MB

  • Sample

    241206-gpbj8atjhz

  • MD5

    1f6294fca2fa8c5e80eafb976f65aa60

  • SHA1

    d0d52c6af42cebe1dc967635d1d4f9d2a2a40ebd

  • SHA256

    f72dcfa8ca3dee1079c951692be0b687f51586cace5d485f29e1ae55fb0f7813

  • SHA512

    aef446a9e5656bb820e8086e053972e70d4f2a315918d0c298def9610c1376c9575b91a7c3f4c1677788f8edb88d0acdffa854f417e03c63f0be90995d1c3257

  • SSDEEP

    24576:XwCB2oPYi1/hTqNgy5qGeetO6M5LhQa2dqGhUaWnNTUAuNvNBRWC2akAmGlHaiKl:X3B2G1/hA3tVM5gVUK1Bs7bGlHrvFF+

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://ratiomun.cyou/api

https://atten-supporse.biz/api

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

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

lumma

C2

https://se-blurry.biz/api

https://zinc-sneark.biz/api

https://atten-supporse.biz/api

Targets

    • Target

      f72dcfa8ca3dee1079c951692be0b687f51586cace5d485f29e1ae55fb0f7813N.exe

    • Size

      1.8MB

    • MD5

      1f6294fca2fa8c5e80eafb976f65aa60

    • SHA1

      d0d52c6af42cebe1dc967635d1d4f9d2a2a40ebd

    • SHA256

      f72dcfa8ca3dee1079c951692be0b687f51586cace5d485f29e1ae55fb0f7813

    • SHA512

      aef446a9e5656bb820e8086e053972e70d4f2a315918d0c298def9610c1376c9575b91a7c3f4c1677788f8edb88d0acdffa854f417e03c63f0be90995d1c3257

    • SSDEEP

      24576:XwCB2oPYi1/hTqNgy5qGeetO6M5LhQa2dqGhUaWnNTUAuNvNBRWC2akAmGlHaiKl:X3B2G1/hA3tVM5gVUK1Bs7bGlHrvFF+

    • 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

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

    • Orcurs Rat Executable

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • 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

    • Windows security modification

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks