Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 02:09

General

  • Target

    f9463629c6cbbd87d26042cb774a1f89_JaffaCakes118.exe

  • Size

    328KB

  • MD5

    f9463629c6cbbd87d26042cb774a1f89

  • SHA1

    66b491529b33e63a33fe8d48e3ed9843245e85cf

  • SHA256

    dc6fd67034179e8c679afe69dd9772f68394e9caeeb76268e4fca81eccaddd29

  • SHA512

    e654bcdd8050e731c3836adf12c23dce53f7d1208f6860719a9d9aa3adcf41d4f9957d326046ebc9507ab96c79bcb2a063a1bb92617b132e86f1c524404fa1b4

  • SSDEEP

    6144:KphaUGo/SobL+QzrbY+i0JoCH6z0vLAxvGCkObd7FQDMMbvh:KXaUGoaIlrM70Jl7AxvGlOx7FRMzh

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9463629c6cbbd87d26042cb774a1f89_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f9463629c6cbbd87d26042cb774a1f89_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2356

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/2356-0-0x0000000000A50000-0x0000000000B17000-memory.dmp
    Filesize

    796KB

  • memory/2356-11-0x0000000000A50000-0x0000000000B17000-memory.dmp
    Filesize

    796KB

  • memory/2356-17-0x0000000000A50000-0x0000000000B17000-memory.dmp
    Filesize

    796KB