Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2025, 19:40

General

  • Target

    JaffaCakes118_5ae975e2cabf893cb93eb59265636077.exe

  • Size

    192KB

  • MD5

    5ae975e2cabf893cb93eb59265636077

  • SHA1

    1f32f75bb3a88e8af88087b0949f8e13b7f21cd2

  • SHA256

    62d0df06a3d3bde1494f312ea7b13894b6cbc809ac57e54cc8bec19973e2812e

  • SHA512

    f90ea988f6fbfd9ecba1ac49fcbef847829002db38726251fd0848d10f00baa579d440aa53f4d824bbc3aef31570c010e8b70b2970b58fa234f3e6ae350250c7

  • SSDEEP

    3072:4UvjUaIc/Jm9br3SIABZz1oXS1xTOy0tMhAW7YD1sQvvbVckFgzua4:4UYaIcs9iIxXE1Oy0+hAWUD1ssTVcsta

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.

  • Gh0strat family
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • 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 1 IoCs
  • Drops file in Program Files directory 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ae975e2cabf893cb93eb59265636077.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ae975e2cabf893cb93eb59265636077.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2736
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Server Software Component: Terminal Services DLL
    • Sets service image path in registry
    • Deletes itself
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\progra~3\drm\rbvcf.dll

    Filesize

    148KB

    MD5

    2853e036a21ed0ff0743a9841c2df458

    SHA1

    27d979858f906a143bd6a692ac2ab6679b214682

    SHA256

    ee7fa513a02d05eaa4e4850b254696616c71f3cbd0de6134de00c8efc0954ade

    SHA512

    5be2688e1038b1e500a2c8a115e5a53fba589f63ac19a360bd6e79bb8eb351faa0495e17a3911072a2860b3db6d128d3dab00a0e41b05292d09552c6cac87c9f

  • memory/2736-0-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/2736-1-0x00000000003A0000-0x00000000003D1000-memory.dmp

    Filesize

    196KB

  • memory/2736-7-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/3060-6-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/3060-8-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB