General

  • Target

    aa6ee7a8c996fb88fca8a69ea1b26245e6a7478c3ac4870b8368b6a884651416.exe

  • Size

    3.7MB

  • Sample

    250216-pshfyaxpdj

  • MD5

    ff6cff4780baba5309245b2bcd2875b2

  • SHA1

    46477dcf2b206065cecbe1e5f35de6426efa3765

  • SHA256

    aa6ee7a8c996fb88fca8a69ea1b26245e6a7478c3ac4870b8368b6a884651416

  • SHA512

    6ec4cc5be93193dfce868245e96a7e7d1e20198feb02c73c04fcd1b84a6928a69492dd3894ad31d7559cc6cec14e3395a5f144753aab1b4bc4822160ea0fdce0

  • SSDEEP

    98304:7+qe0GgBut4jxYul/1z88VRLIyQ5AGHT9Mf3sKB:7KwuQ7dwIIyyA0MfF

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

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

188.127.240.186:7771

Mutex

kjvktxqmndx

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      aa6ee7a8c996fb88fca8a69ea1b26245e6a7478c3ac4870b8368b6a884651416.exe

    • Size

      3.7MB

    • MD5

      ff6cff4780baba5309245b2bcd2875b2

    • SHA1

      46477dcf2b206065cecbe1e5f35de6426efa3765

    • SHA256

      aa6ee7a8c996fb88fca8a69ea1b26245e6a7478c3ac4870b8368b6a884651416

    • SHA512

      6ec4cc5be93193dfce868245e96a7e7d1e20198feb02c73c04fcd1b84a6928a69492dd3894ad31d7559cc6cec14e3395a5f144753aab1b4bc4822160ea0fdce0

    • SSDEEP

      98304:7+qe0GgBut4jxYul/1z88VRLIyQ5AGHT9Mf3sKB:7KwuQ7dwIIyyA0MfF

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Modifies WinLogon for persistence

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • VenomRAT

      Detects VenomRAT.

    • Venomrat 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