Analysis

  • max time kernel
    138s
  • max time network
    137s
  • 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 16:31

General

  • Target

    fab52107b131a771b5b94c3792cab8b7_JaffaCakes118.exe

  • Size

    341KB

  • MD5

    fab52107b131a771b5b94c3792cab8b7

  • SHA1

    e073ce3561f8c61d105e877eee10794fb20c3c64

  • SHA256

    ec1c8bbef57b38d17ba1b8ed963ccd52e788e9687e1007bb1250046f338bed9a

  • SHA512

    fa71ca44f134f6f1bcd72670d4385d878492cddd4cace5d54b8a84c1fcf8bf90c3299c5c713e154615e531d896a985d9701a16240431b9b9302cd59245dbaffb

  • SSDEEP

    6144:8fZ/nwzIhoZib9i0ju9BKVoEZUW2S6XUDowgiEy/7/+ce4XDJI:8fpPOZiBiq3zx2S6XUOM/zK4XFI

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fab52107b131a771b5b94c3792cab8b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fab52107b131a771b5b94c3792cab8b7_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:728

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

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/728-0-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB

  • memory/728-8-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB