General

  • Target

    source_prepared.exe

  • Size

    76.3MB

  • Sample

    240823-axm5nawdma

  • MD5

    f50428d3823f18fbc37929cf9d87d0be

  • SHA1

    08bb03b975beeba3d8242b6abb216af1aa57c6cf

  • SHA256

    000bd548da4592196272f1849df1262378252e0bfacb03c0239f6febcb5cfb01

  • SHA512

    41a7e709587c5c211dd995a3a07a5d93ca84c30bf79a89a12cbf1fe472ecd984c3a5592bdd028bc6cf8750c9e13779fa391e9c53636aa42f6256226f24c6df87

  • SSDEEP

    1572864:EvhQ6l+Wp7vqSk8IpG7V+VPhqP2E7WTElPDViY4MHHLeqPNLtD6jzPZPs9RH:Evh18sOSkB05awPOTE5WMHVLtOneRH

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      76.3MB

    • MD5

      f50428d3823f18fbc37929cf9d87d0be

    • SHA1

      08bb03b975beeba3d8242b6abb216af1aa57c6cf

    • SHA256

      000bd548da4592196272f1849df1262378252e0bfacb03c0239f6febcb5cfb01

    • SHA512

      41a7e709587c5c211dd995a3a07a5d93ca84c30bf79a89a12cbf1fe472ecd984c3a5592bdd028bc6cf8750c9e13779fa391e9c53636aa42f6256226f24c6df87

    • SSDEEP

      1572864:EvhQ6l+Wp7vqSk8IpG7V+VPhqP2E7WTElPDViY4MHHLeqPNLtD6jzPZPs9RH:Evh18sOSkB05awPOTE5WMHVLtOneRH

    • Enumerates VirtualBox DLL files

    • 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

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks