General

  • Target

    Office Tool Plus.exe

  • Size

    5.3MB

  • Sample

    241120-p4wspsxkd1

  • MD5

    f9d3d21a7eaf6391e25861033c510eee

  • SHA1

    220190e3590d22eb4b9a48e3135081a91865c5a9

  • SHA256

    e6ad8a472942c18ad733b9a68a10d596ede23d212b428f7f59b15ba20022ba5d

  • SHA512

    7c650497a139bae98e481bd3a6db4ea85225765adee7ebb8d0bcbe9e5b9cc716bcc38774f0a45d3df1891d0b5459325631a82898a6c45cc06fc17b5ac1a313a1

  • SSDEEP

    98304:dPPXn6x2MoIOJH3yV1xeHFvq8slWW8XHlMqEiD:FXncOJiHxeFvhsxGHms

Malware Config

Targets

    • Target

      Office Tool Plus.exe

    • Size

      5.3MB

    • MD5

      f9d3d21a7eaf6391e25861033c510eee

    • SHA1

      220190e3590d22eb4b9a48e3135081a91865c5a9

    • SHA256

      e6ad8a472942c18ad733b9a68a10d596ede23d212b428f7f59b15ba20022ba5d

    • SHA512

      7c650497a139bae98e481bd3a6db4ea85225765adee7ebb8d0bcbe9e5b9cc716bcc38774f0a45d3df1891d0b5459325631a82898a6c45cc06fc17b5ac1a313a1

    • SSDEEP

      98304:dPPXn6x2MoIOJH3yV1xeHFvq8slWW8XHlMqEiD:FXncOJiHxeFvhsxGHms

    • Event Triggered Execution: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks