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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 15:28

General

  • Target

    78a13b9eaf96a665775349fceb8956d6_JaffaCakes118.exe

  • Size

    211KB

  • MD5

    78a13b9eaf96a665775349fceb8956d6

  • SHA1

    4e778b4a30bd1fa39aad332285164af8bdbfef3b

  • SHA256

    6621096e3824fa722beb605740560e292f9a3457805afe2d69b4486f595b0fc8

  • SHA512

    da8ff270a706bea9d5f44903d621f35d803d3e6cbbb220ce228d913cae1dbfed9acb6e42667aa16b97aea1fe50b0fb435c3ab3b3caf72f7dfc27da35c28cf71a

  • SSDEEP

    3072:3AOFLU1tvzBWHWVKhqvEzO/V1VrNYQkCA+HFSWvF3TBftxnob2AS:3qdWHA9DNYtEHhvF3TBlxnob0

Malware Config

Signatures

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Loads dropped DLL 1 IoCs
  • 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 System32 directory 2 IoCs
  • Drops file in Windows 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 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78a13b9eaf96a665775349fceb8956d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\78a13b9eaf96a665775349fceb8956d6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\Sys.VBS"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Sys.VBS

    Filesize

    1KB

    MD5

    e5baac34de9a9068a0c901392f21efe5

    SHA1

    77f9cb2be96bfbf4e0eefb27b759faeb13b50b29

    SHA256

    7fa5d6fb181d48105524c2836db0671faf8454d7236a74b434075ce64b52a7a9

    SHA512

    dac036e3136abdb14c799b52f91ccfa39699943b980276d563072d63a5bbd5fdf975cdce04f1df832d8a19735231a7ed9a52eddff2b6f2cc47b4b8a1aa62f374

  • \Windows\SysWOW64\yjsoft.ini

    Filesize

    5.1MB

    MD5

    e08b681d85836e405d80264fc7bda4ed

    SHA1

    f700532d309fa436b8d3283c40e4a5c7c023747d

    SHA256

    f2ba4e50b7aa698069e70d144135b66264c15b4391a4248ec29215f83e46f8cc

    SHA512

    aaee0fce44f295423b0faef0b58eceb58c2e422dbf6ce4ceb2797f2c44febddc7e5775107a5a0ed6c6273b6f367dcd510dea7df8fd3ff9f19c886d70877eff5b

  • memory/1512-11-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB

  • memory/1512-13-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1512-14-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB

  • memory/1512-16-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB