General

  • Target
    Archive.zip
  • Size 187.5MB
  • Sample260608-pc8cescz5r
  • SHA256 7eda5b485a18b19d4fce8df81459246438770056c33a00fd8f1a359ffd026789
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ReaItekHD/taskhost.exe
    • Size 20.1MB
    • SHA256 7b282e0d58d0e728865652e1f59ec6fafd048a8b2e2247dda0d6b7a50af80e5a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies visibility of hidden/system files in Explorer

    • XMRig Miner payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      ReaItekHD/taskhostw.exe
    • Size 26.4MB
    • SHA256 37067f685c2a44fc5b7b008a8400ee917bfa7f9f2dc524b89f0b3cdb61553cf3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      Windows Tasks Service/winserv.exe
    • Size 10.2MB
    • SHA256 99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Target
      WindowsTask/AMD.exe
    • Size 71.1MB
    • SHA256 7411902ba3632eb8c449486f61ee1b556520aca7f3ae5229d81d6b263c733fcb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WindowsTask/AppHost.exe
    • Size 303KB
    • SHA256 b4e264dc7bf4ed7807d8e09e67f5cb6ea887ab016458859de7821106081d6eef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WindowsTask/AppModule.exe
    • Size 71.1MB
    • SHA256 7411902ba3632eb8c449486f61ee1b556520aca7f3ae5229d81d6b263c733fcb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WindowsTask/MicrosoftHost.exe
    • Size 5.4MB
    • SHA256 12a209356db82dc1fc47da0a9a146096f6a9e7cd99e2ec71d513f394b57fc5f8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WindowsTask/audiodg.exe
    • Size 5.6MB
    • SHA256 7d1a99b80e0728e4ae5c349ec1ff2870607cffe3b01b2a60d64745f88485ef9d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      WindowsTask/winlogon.bat
    • Size 134B
    • SHA256 39128f3f6e8910fc7766da7eb80e5bea6b1c32cbd47ac6d1c7b60ee11d088ba9
    • MD5 SHA1 SHA512 TLSH
    Score
    6/10
    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

MITRE ATT&CK Enterprise v16

Tasks