General

  • Target

    2b25d2ac600b978ac8e9f009b438441084f5f511efa5ea6684a9825a8ebbf858

  • Size

    3.8MB

  • Sample

    250226-v971taxqz2

  • MD5

    1d4a79a3713e5b8368fa4fa70ddff943

  • SHA1

    089df3f7c4637595df40353bb793860c871d2ed5

  • SHA256

    2b25d2ac600b978ac8e9f009b438441084f5f511efa5ea6684a9825a8ebbf858

  • SHA512

    4f5f4917bf2d04a13ae1981d76cf71067bdeff2344f15dab6d4954b188cbc5f6244a856ea676d9c997d5e8080b0dac05682f9d7ae8f5fd67f52a38616bf8cf80

  • SSDEEP

    98304:4IxJ06qKmpHnfpRF1A2K3h76vC5tXOGCQtKCIek0l7:4IxJ06qppHf3FqDt+GRlp

Malware Config

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      2b25d2ac600b978ac8e9f009b438441084f5f511efa5ea6684a9825a8ebbf858

    • Size

      3.8MB

    • MD5

      1d4a79a3713e5b8368fa4fa70ddff943

    • SHA1

      089df3f7c4637595df40353bb793860c871d2ed5

    • SHA256

      2b25d2ac600b978ac8e9f009b438441084f5f511efa5ea6684a9825a8ebbf858

    • SHA512

      4f5f4917bf2d04a13ae1981d76cf71067bdeff2344f15dab6d4954b188cbc5f6244a856ea676d9c997d5e8080b0dac05682f9d7ae8f5fd67f52a38616bf8cf80

    • SSDEEP

      98304:4IxJ06qKmpHnfpRF1A2K3h76vC5tXOGCQtKCIek0l7:4IxJ06qppHf3FqDt+GRlp

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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.

    • 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