Analysis

  • max time kernel
    141s
  • max time network
    147s
  • 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 01:38

General

  • Target

    fba49813ded222e856f342841fd35afd_JaffaCakes118.exe

  • Size

    202KB

  • MD5

    fba49813ded222e856f342841fd35afd

  • SHA1

    c4062fbd5ecaf769862fd65923b28a62348f731b

  • SHA256

    1f9aee9677ade24072b0fc88591bcf362bc955588091d6c910dbed3419ff69ab

  • SHA512

    471b27fe16831912431bca4e65057d625fe40a038b45c147e25f59ef9c0d8f7db1ac72998feb7fd209b35ca68b85a28fa96d56bd58fbb1c9d602777028a272fb

  • SSDEEP

    3072:YxSG6JufSm3qBJmiDuVIXnRrQjoILywfOyo7/IyHLrjB6haUxbQq6G:gqWSmaBkiDmJoILdGyo7/IyHjU/pf

Malware Config

Signatures

  • UPX packed file 8 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fba49813ded222e856f342841fd35afd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fba49813ded222e856f342841fd35afd_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:920

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/920-0-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-11-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-12-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-15-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-16-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-17-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-18-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB

  • memory/920-24-0x0000000000400000-0x0000000000474000-memory.dmp
    Filesize

    464KB