General

  • Target

    Loader.exe

  • Size

    6.8MB

  • Sample

    240801-pjjyeazgkj

  • MD5

    6d8b8dc75b6fca0503eb61189709eddc

  • SHA1

    688bda04fc02f658940c9adcea9328265e464c98

  • SHA256

    b943b9894fcf740d87809358cf35438a5bfacf19eed4178a2d452e412f7040b3

  • SHA512

    abb64bbf5cefba249f960128ccd03914ce061437c6229c09e0fd67e774a554d93185b7e97015fc193ad36b54b021fec361a8500d45ca120b625e17d24ce9e9a3

  • SSDEEP

    98304:EqSNZW+AnS2Kw/dGUQHnBjeG6AdaPambRQPhz6umF6oD/TWp5JmR+2DJJsgdiAbk:EqSsye0dCnbRI3oGpKR+irVqM6bk8

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

193.161.193.99:53757

Mutex

jcbvehblkexi

Attributes
  • delay

    1

  • install

    true

  • install_file

    Loader.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Loader.exe

    • Size

      6.8MB

    • MD5

      6d8b8dc75b6fca0503eb61189709eddc

    • SHA1

      688bda04fc02f658940c9adcea9328265e464c98

    • SHA256

      b943b9894fcf740d87809358cf35438a5bfacf19eed4178a2d452e412f7040b3

    • SHA512

      abb64bbf5cefba249f960128ccd03914ce061437c6229c09e0fd67e774a554d93185b7e97015fc193ad36b54b021fec361a8500d45ca120b625e17d24ce9e9a3

    • SSDEEP

      98304:EqSNZW+AnS2Kw/dGUQHnBjeG6AdaPambRQPhz6umF6oD/TWp5JmR+2DJJsgdiAbk:EqSsye0dCnbRI3oGpKR+irVqM6bk8

    • AsyncRat

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

    • VenomRAT

      Detects VenomRAT.

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks