Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 15:30

General

  • Target

    fd15048c99f19261cb899669c0e48680_JaffaCakes118.exe

  • Size

    307KB

  • MD5

    fd15048c99f19261cb899669c0e48680

  • SHA1

    1434aeabb932a2c4dccd7dbe46b4a108c7184703

  • SHA256

    d04e7cba111f1ea17cd9df25d85b9acc5f3456419932f7720a6354b6daa9edec

  • SHA512

    4dfc3d1fda35a203581edd02bf48efb9077b1b326629ae7b4247023034a59329f843fbb22f6ef8f51fa06b91195728997457cd3c4bb6bfc5195b497a399bafb5

  • SSDEEP

    6144:eNKIK84tmzVZMrRhZf4tha/VQlvqOOVmI6+F8Ld:b84tmzgrlMhadQJbOUN+F8Ld

Malware Config

Signatures

  • UPX packed file 4 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\fd15048c99f19261cb899669c0e48680_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd15048c99f19261cb899669c0e48680_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4356

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

Loading Replay Monitor...

Downloads

  • memory/4356-0-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/4356-11-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/4356-15-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/4356-17-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB