Resubmissions

07-02-2025 22:09

250207-129gka1qfm 10

07-02-2025 22:08

250207-116paa1qbq 10

07-02-2025 22:07

250207-11214a1qar 10

General

  • Target

    random.exe

  • Size

    5.5MB

  • Sample

    250207-129gka1qfm

  • MD5

    c8b0f412adb74964931c017d13b47b23

  • SHA1

    5a3a4ac27260a24fbdccc4552ad2421cecb3c0de

  • SHA256

    b17e377627893a1b47dd86bee4b7ab3b4f241b7b1b994216c66e0664029cc979

  • SHA512

    221e976a0f0e3c313cf69f44b39635bee868c3ed8e50cef8e8ccd4bf75583c32c45e131d12996ddaeb67ca76ecbd975bf6a22c32ab4ea019353e494809eabf47

  • SSDEEP

    98304:NA4omGw7aa4eH7Kv/nzm3HnAuXYt1RaSlKPNbEIoeEHoeY9PR1sL:NmGaQYvaQuX41/KPvWoeY9Hs

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

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://cozyhomevpibes.cyou/api

Targets

    • Target

      random.exe

    • Size

      5.5MB

    • MD5

      c8b0f412adb74964931c017d13b47b23

    • SHA1

      5a3a4ac27260a24fbdccc4552ad2421cecb3c0de

    • SHA256

      b17e377627893a1b47dd86bee4b7ab3b4f241b7b1b994216c66e0664029cc979

    • SHA512

      221e976a0f0e3c313cf69f44b39635bee868c3ed8e50cef8e8ccd4bf75583c32c45e131d12996ddaeb67ca76ecbd975bf6a22c32ab4ea019353e494809eabf47

    • SSDEEP

      98304:NA4omGw7aa4eH7Kv/nzm3HnAuXYt1RaSlKPNbEIoeEHoeY9PR1sL:NmGaQYvaQuX41/KPvWoeY9Hs

    • Amadey

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

    • Amadey 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

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

    • 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.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks