Analysis

  • max time kernel
    96s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 11:02

General

  • Target

    f3b19fab302f6b58718f5f143867838e_JaffaCakes118.exe

  • Size

    86KB

  • MD5

    f3b19fab302f6b58718f5f143867838e

  • SHA1

    60be32421bea85d8deeeee12d412f351fd7bd720

  • SHA256

    ce49d8f10cf3aeeef607e6e90f0bae3c67f045c3f27dfb35ce497ff02ad0d516

  • SHA512

    e76ede653714abb99ca9c0513c984513e9ec481bfc221d784d6b20aa95260164b3e4973e5c22f0c979191c49bb2bd17ca949efed3bc3d6c8519fbf44186e5553

  • SSDEEP

    1536:mWeKIGlw78TlEoK87SGKB16JgYPdZQfKEuboYjrWt0TSwU6:Z7mr87C+bQfluk50TSwU6

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3b19fab302f6b58718f5f143867838e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f3b19fab302f6b58718f5f143867838e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F3B19F~1.EXE > NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3940-0-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3940-1-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB