Analysis

  • max time kernel
    93s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 08:11

General

  • Target

    2db1a033d3f0974c71c389be19576620_JaffaCakes118.exe

  • Size

    209KB

  • MD5

    2db1a033d3f0974c71c389be19576620

  • SHA1

    2d33f9ebfe44748a750d6f356125c11712abb13e

  • SHA256

    54c853e55e36974799a679378caf56dba406594ee39e3f3cd62cf55068b60fa4

  • SHA512

    9f73d336df42891278018e64bcf1733cde29d4fee25fcfcb66b5196744c27e44485d2c050ce08a0eca7f830e275917b8d19abe0f8776f81ff3546f34172ab5fd

  • SSDEEP

    3072:3AOFLU1tvzBWHWVKhqvEzO/V1VrNYQkCA+HFSWvF3TBftxnob2AP:3qdWHA9DNYtEHhvF3TBlxnobB

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • 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).

  • Program crash 1 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2db1a033d3f0974c71c389be19576620_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2db1a033d3f0974c71c389be19576620_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\Sys.VBS"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1420
      2⤵
      • Program crash
      PID:3520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2824 -ip 2824
    1⤵
      PID:3096

    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

    • C:\Windows\SysWOW64\yjsoft.ini

      Filesize

      5.1MB

      MD5

      e08b681d85836e405d80264fc7bda4ed

      SHA1

      f700532d309fa436b8d3283c40e4a5c7c023747d

      SHA256

      f2ba4e50b7aa698069e70d144135b66264c15b4391a4248ec29215f83e46f8cc

      SHA512

      aaee0fce44f295423b0faef0b58eceb58c2e422dbf6ce4ceb2797f2c44febddc7e5775107a5a0ed6c6273b6f367dcd510dea7df8fd3ff9f19c886d70877eff5b

    • memory/2824-12-0x0000000020000000-0x0000000020027000-memory.dmp

      Filesize

      156KB

    • memory/2824-14-0x0000000003220000-0x0000000003221000-memory.dmp

      Filesize

      4KB

    • memory/2824-16-0x0000000020000000-0x0000000020027000-memory.dmp

      Filesize

      156KB