Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 13:39

General

  • Target

    fa6b1a8e5c3c6532d34489e59f690e81_JaffaCakes118.dll

  • Size

    80KB

  • MD5

    fa6b1a8e5c3c6532d34489e59f690e81

  • SHA1

    b9b574aa97adc214d7c30e02c6703a07f1685d2a

  • SHA256

    60b7902dab5ecf0ab3550f3af139d18f5ad29e69b4e05e8799903df55c1137c8

  • SHA512

    dddb40bcd20341c6d87de383fa58244be75419d56cfc48ab483c5b0664449f46cb153e7d0dc19abe71bc4c598110ba8a3b342778391dc9c539a7218220409532

  • SSDEEP

    1536:yrhmnsgv/lC5qegCRd6A2b8bYc+nfbjNH1HKhLG:Gsjv9C0DOd6A22YcwfNHYhLG

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa6b1a8e5c3c6532d34489e59f690e81_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa6b1a8e5c3c6532d34489e59f690e81_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:2300

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

Discovery

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2300-0-0x0000000000160000-0x0000000000169000-memory.dmp
    Filesize

    36KB

  • memory/2300-3-0x0000000000160000-0x0000000000169000-memory.dmp
    Filesize

    36KB