General

  • Target

    Shellbag analyzer.exe

  • Size

    247KB

  • Sample

    240808-mhkr7ssdpp

  • MD5

    d3b88d7974e5ef23ed78f97d18fd0f8a

  • SHA1

    cba12e2cfc60e994fbb7e99317c3130af9a532ea

  • SHA256

    a39234abb087b986209b4ed86dbecafb50347409f37f6d20f2ca82230c356f79

  • SHA512

    6e295e1f17e65d7685542304c8846ba076e4a52985a8cdc342cfa2969453050f6b7e98dbfe4f41247fe5dcce1f191daad42556913e04be0cc5a66c83909ab2b9

  • SSDEEP

    6144:/bwmPMVWrVb3rBPwF9kfK8rpClz0KBb6o589GHWHWujiSPbp:/bw8ZrB5gBuj/PV

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

sdhjriajyp

Attributes
  • delay

    1

  • install

    true

  • install_file

    update.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/f2T8NYnM

aes.plain

Targets

    • Target

      Shellbag analyzer.exe

    • Size

      247KB

    • MD5

      d3b88d7974e5ef23ed78f97d18fd0f8a

    • SHA1

      cba12e2cfc60e994fbb7e99317c3130af9a532ea

    • SHA256

      a39234abb087b986209b4ed86dbecafb50347409f37f6d20f2ca82230c356f79

    • SHA512

      6e295e1f17e65d7685542304c8846ba076e4a52985a8cdc342cfa2969453050f6b7e98dbfe4f41247fe5dcce1f191daad42556913e04be0cc5a66c83909ab2b9

    • SSDEEP

      6144:/bwmPMVWrVb3rBPwF9kfK8rpClz0KBb6o589GHWHWujiSPbp:/bw8ZrB5gBuj/PV

    • AsyncRat

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

    • UAC bypass

    • Windows security bypass

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks