Analysis

  • max time kernel
    104s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 09:05

General

  • Target

    JaffaCakes118_98731fd20df479461331d31578936170.exe

  • Size

    145KB

  • MD5

    98731fd20df479461331d31578936170

  • SHA1

    ceafe385dfeb4bae51321d35212019ca482de000

  • SHA256

    3a447fbfea0c0752c483aa6618853c69ffa1923af47c53e161c0332879adde81

  • SHA512

    e1a7520009eb30a21f2e35e457d8a18b50b4d08eb9a0377734794e18adf889f1d93ed84b90c58a4b898b47d2da6befe9256254495ffd1e3c31902f0dd55a3a6f

  • SSDEEP

    3072:l+XGH9gsWxJ469QwS9yOYytFhpd1GsItM2AsZtBRQx3qF:wlsW9QCyDhpdMsHuK

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.

  • Modifies registry class 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98731fd20df479461331d31578936170.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98731fd20df479461331d31578936170.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3740-0-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3740-1-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/3740-2-0x0000000000620000-0x0000000000650000-memory.dmp

    Filesize

    192KB

  • memory/3740-3-0x0000000000650000-0x0000000000652000-memory.dmp

    Filesize

    8KB

  • memory/3740-4-0x0000000000610000-0x0000000000611000-memory.dmp

    Filesize

    4KB

  • memory/3740-20-0x0000000002400000-0x0000000002401000-memory.dmp

    Filesize

    4KB

  • memory/3740-19-0x00000000023E0000-0x00000000023E1000-memory.dmp

    Filesize

    4KB

  • memory/3740-18-0x00000000023C0000-0x00000000023C1000-memory.dmp

    Filesize

    4KB

  • memory/3740-17-0x00000000023F0000-0x00000000023F1000-memory.dmp

    Filesize

    4KB

  • memory/3740-16-0x00000000023D0000-0x00000000023D1000-memory.dmp

    Filesize

    4KB

  • memory/3740-15-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/3740-14-0x0000000002390000-0x0000000002391000-memory.dmp

    Filesize

    4KB

  • memory/3740-13-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/3740-12-0x0000000000C50000-0x0000000000C51000-memory.dmp

    Filesize

    4KB

  • memory/3740-11-0x0000000002380000-0x0000000002381000-memory.dmp

    Filesize

    4KB

  • memory/3740-5-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/3740-10-0x0000000000C30000-0x0000000000C31000-memory.dmp

    Filesize

    4KB

  • memory/3740-9-0x0000000000C40000-0x0000000000C41000-memory.dmp

    Filesize

    4KB

  • memory/3740-8-0x0000000000670000-0x0000000000671000-memory.dmp

    Filesize

    4KB

  • memory/3740-22-0x0000000002410000-0x0000000002411000-memory.dmp

    Filesize

    4KB

  • memory/3740-30-0x0000000002490000-0x0000000002491000-memory.dmp

    Filesize

    4KB

  • memory/3740-41-0x0000000002570000-0x0000000002571000-memory.dmp

    Filesize

    4KB

  • memory/3740-43-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/3740-42-0x0000000002560000-0x0000000002561000-memory.dmp

    Filesize

    4KB

  • memory/3740-40-0x0000000002530000-0x0000000002531000-memory.dmp

    Filesize

    4KB

  • memory/3740-39-0x0000000002550000-0x0000000002551000-memory.dmp

    Filesize

    4KB

  • memory/3740-38-0x0000000002510000-0x0000000002511000-memory.dmp

    Filesize

    4KB

  • memory/3740-37-0x0000000002520000-0x0000000002521000-memory.dmp

    Filesize

    4KB

  • memory/3740-36-0x00000000024F0000-0x00000000024F1000-memory.dmp

    Filesize

    4KB

  • memory/3740-35-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/3740-34-0x00000000024E0000-0x00000000024E1000-memory.dmp

    Filesize

    4KB

  • memory/3740-33-0x00000000024B0000-0x00000000024B1000-memory.dmp

    Filesize

    4KB

  • memory/3740-32-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/3740-31-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3740-29-0x00000000024A0000-0x00000000024A1000-memory.dmp

    Filesize

    4KB

  • memory/3740-28-0x0000000002470000-0x0000000002471000-memory.dmp

    Filesize

    4KB

  • memory/3740-27-0x0000000002480000-0x0000000002481000-memory.dmp

    Filesize

    4KB

  • memory/3740-26-0x0000000002450000-0x0000000002451000-memory.dmp

    Filesize

    4KB

  • memory/3740-25-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/3740-24-0x0000000002430000-0x0000000002431000-memory.dmp

    Filesize

    4KB

  • memory/3740-23-0x0000000002440000-0x0000000002441000-memory.dmp

    Filesize

    4KB

  • memory/3740-21-0x0000000002420000-0x0000000002421000-memory.dmp

    Filesize

    4KB

  • memory/3740-7-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/3740-6-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/3740-45-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/3740-44-0x0000000000620000-0x0000000000650000-memory.dmp

    Filesize

    192KB