Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 05:59

General

  • Target

    fc146d30e7241b8da088a836a0b97387_JaffaCakes118.exe

  • Size

    237KB

  • MD5

    fc146d30e7241b8da088a836a0b97387

  • SHA1

    bd52d2d75135b0d2ed4f7f109c88bd0acd17c91f

  • SHA256

    8f0e8b412bf4bcea83bd56b209a52ac8970b26d8a9bbe609a20c373d124fe2b7

  • SHA512

    a8dde7569835e9b521bcbba2941f684455a2523ce580f96760db0ca6b506ccecb8259fcc40449e47193685a0a3be70331bebb6112523e619463e915c5a553be3

  • SSDEEP

    6144:53kOMeaavF17EP6qyqsjRYSkkULBF4ZkCr:pBMeT17zJbkdBF42Cr

Malware Config

Signatures

  • UPX packed file 6 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\fc146d30e7241b8da088a836a0b97387_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc146d30e7241b8da088a836a0b97387_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2576

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/2576-0-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/2576-11-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/2576-12-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/2576-15-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/2576-16-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/2576-18-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB