Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2025, 17:35

General

  • Target

    JaffaCakes118_4835a0c368ee4ef1070003c2d8903f27.exe

  • Size

    63KB

  • MD5

    4835a0c368ee4ef1070003c2d8903f27

  • SHA1

    bc379fd5062eacedb8e06910f899bfdaf31d1d22

  • SHA256

    89a7d7bbeebc524884df6561ff7c1306cf2a9c4e7f1821817defe0305accad96

  • SHA512

    4beed0cf3dff13e2ce459f95ad57df3082803668fdb5fed7a7d0ecfb3e4ba1f4a6253b74ce2331b3a969f436950606b74357a04e6bea333e364e5b893534975d

  • SSDEEP

    1536:sJ0yR7aj07hDUhA9o8L0RhnUeUDGIlPI/EkYAU08DJ:sJ0yoawhB8ARePuMkYAT8D

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.

  • Gh0strat family
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4835a0c368ee4ef1070003c2d8903f27.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4835a0c368ee4ef1070003c2d8903f27.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\system32\svchoat.dll setup
      2⤵
      • Server Software Component: Terminal Services DLL
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1268
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4800
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:3932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Server.tmp

    Filesize

    124KB

    MD5

    b333fc8d7f6e9fe0087e8bb56762478b

    SHA1

    ddc891fb7c0358a145eb63b883d5c5c0156b869a

    SHA256

    3ea5763db7ddeae5643ede6b9bedc83347390081a0b88a88507834316efbdbca

    SHA512

    b41915083d2057494f2df70096a2275471119926392356ee687ab87c2bff135fadfcc6f2a346941abdd4bd3c5ad3dc713645d98020168aa8e19405ce80806908

  • memory/664-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/664-13-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/664-12-0x0000000010000000-0x0000000010020000-memory.dmp

    Filesize

    128KB