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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 04:49

General

  • Target

    ef180c168f9bfc8e334ad91784950ff4_JaffaCakes118.exe

  • Size

    480KB

  • MD5

    ef180c168f9bfc8e334ad91784950ff4

  • SHA1

    fd08b7ce4512bda653c4e10338534b235e9707bb

  • SHA256

    88023b07874684bac5c974eacfd6d859ae4cfb4fd7f85029a568ab7c89b9da76

  • SHA512

    e3bd1a814c756b26522d9c2f25db436e12c149989c46e84f04592b2b94cbd8e384a7f708b863b865e893a427b085b8a42abd0dd0d79fe5d6225948f8c4b57ba0

  • SSDEEP

    12288:gaS90fnRCivIFaq8dNivqYLhqDj7QbPpjMkt5FlD:xfRPSXQNmIDj0VjzlD

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.

  • Deletes itself 1 IoCs
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef180c168f9bfc8e334ad91784950ff4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef180c168f9bfc8e334ad91784950ff4_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EF180C~1.EXE > NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2708-0-0x0000000000401000-0x0000000000407000-memory.dmp

    Filesize

    24KB

  • memory/2708-1-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB