Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 11:49

General

  • Target

    133d79bc5fdc96d84c01ad2da0314c0a_JaffaCakes118.exe

  • Size

    275KB

  • MD5

    133d79bc5fdc96d84c01ad2da0314c0a

  • SHA1

    f1200d3aeef2cd9a8f0758a4a5342c6ad2bb5348

  • SHA256

    1e33154f47add081bf3a8b308606eba2161518d5ec53508af0e485b941f67a16

  • SHA512

    83a68a6ae2d50c14dfe40765bb45ad588f7fc2bb644df9d2573d31866ea421a275f8f0fdbfacd9d690a80bee7db128d584e416bfc20456c27840c31a0baf6434

  • SSDEEP

    6144:N7i68hkfKx/8GcsMBvMCmJpArWnysskEL1gUs2OXI8AcP78EBwC2IRq:N1Uk+esTCm8gyLZL1p2I8rBwC2Ic

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\133d79bc5fdc96d84c01ad2da0314c0a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\133d79bc5fdc96d84c01ad2da0314c0a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\hldrrr.exe
      "C:\Windows\system32\hldrrr.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\hldrrr.exe

    Filesize

    275KB

    MD5

    133d79bc5fdc96d84c01ad2da0314c0a

    SHA1

    f1200d3aeef2cd9a8f0758a4a5342c6ad2bb5348

    SHA256

    1e33154f47add081bf3a8b308606eba2161518d5ec53508af0e485b941f67a16

    SHA512

    83a68a6ae2d50c14dfe40765bb45ad588f7fc2bb644df9d2573d31866ea421a275f8f0fdbfacd9d690a80bee7db128d584e416bfc20456c27840c31a0baf6434

  • memory/2260-35-0x0000000000280000-0x00000000002C2000-memory.dmp

    Filesize

    264KB

  • memory/2260-37-0x0000000000430000-0x0000000000434000-memory.dmp

    Filesize

    16KB

  • memory/2260-38-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/2260-39-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/2260-40-0x0000000000450000-0x0000000000451000-memory.dmp

    Filesize

    4KB

  • memory/2260-41-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/2260-42-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2260-43-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2260-44-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2260-46-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2260-47-0x0000000000430000-0x0000000000434000-memory.dmp

    Filesize

    16KB

  • memory/2260-48-0x0000000000280000-0x00000000002C2000-memory.dmp

    Filesize

    264KB

  • memory/2572-16-0x00000000021F0000-0x00000000021F1000-memory.dmp

    Filesize

    4KB

  • memory/2572-32-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2572-10-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2572-9-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2572-8-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2572-7-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2572-6-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2572-5-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2572-4-0x0000000000730000-0x0000000000731000-memory.dmp

    Filesize

    4KB

  • memory/2572-33-0x0000000000270000-0x00000000002B2000-memory.dmp

    Filesize

    264KB

  • memory/2572-12-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2572-11-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB

  • memory/2572-13-0x0000000000750000-0x0000000000751000-memory.dmp

    Filesize

    4KB

  • memory/2572-14-0x00000000021A0000-0x00000000021A1000-memory.dmp

    Filesize

    4KB

  • memory/2572-15-0x0000000000780000-0x0000000000784000-memory.dmp

    Filesize

    16KB

  • memory/2572-0-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2572-17-0x0000000002200000-0x0000000002201000-memory.dmp

    Filesize

    4KB

  • memory/2572-18-0x00000000021B0000-0x00000000021B1000-memory.dmp

    Filesize

    4KB

  • memory/2572-19-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/2572-20-0x0000000000770000-0x0000000000771000-memory.dmp

    Filesize

    4KB

  • memory/2572-21-0x00000000021E0000-0x00000000021E1000-memory.dmp

    Filesize

    4KB

  • memory/2572-22-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/2572-23-0x00000000021C0000-0x00000000021C1000-memory.dmp

    Filesize

    4KB

  • memory/2572-1-0x0000000000270000-0x00000000002B2000-memory.dmp

    Filesize

    264KB