Analysis

  • max time kernel
    127s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 01:37

General

  • Target

    JaffaCakes118_458988d16621bc0e15192e4b4bc44d6c.exe

  • Size

    208KB

  • MD5

    458988d16621bc0e15192e4b4bc44d6c

  • SHA1

    5b627caf57d77e7b44608bd7c59684ce1d69f44a

  • SHA256

    2b7da4dd0e3d7028d72b86f8d98a827569b0d74a973f38df3eda927b3ea0ab3b

  • SHA512

    2f56a9f176068dfb88ce7f54200df94043976c90c967653e259d1ce241f240251391af2664aecb8e5d842faf068135920df22e5b7a1ff193065eadd3a11cdd2b

  • SSDEEP

    3072:tfhicY1twWBWHWVKhqvEzO/V1VrNYQkCA+HFSWvF3TBftWBunob2j:125WHA9DNYtEHhvF3TBlVnobm

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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 3 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_458988d16621bc0e15192e4b4bc44d6c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_458988d16621bc0e15192e4b4bc44d6c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • Executes dropped EXE
      • 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
      PID:2396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\svchost.exe

    Filesize

    20.2MB

    MD5

    6559b9abf5de358a496a3a512b7cf082

    SHA1

    6e1fc6a2da0a995b521e3e58368354e8be7edacc

    SHA256

    7b180691a5f5925a187c0591608d8f7a4c1479150fa17d44b164b17c081505a1

    SHA512

    b216f657bb867b0654696023591eb3a2301cf1a3b9831f56ce15306f27197a63e597cd12ad15ff93fa6d370027923c5fdcc508df81d68aae94cb85c16a1e3b14

  • \Windows\SysWOW64\yjsoft.ini

    Filesize

    20.1MB

    MD5

    14acd3763693658b17153fa6a383c4b3

    SHA1

    70c28010922f2204eeff0f5f250a8fb08a85114d

    SHA256

    b3c223b0451c9dc335032ca54dcbd31e2aa5552c375c91debe802f11330a37cb

    SHA512

    dbe6e86949165cf0cd6a134a4b630fdd01c0d622834097146482df1bc98ea04cfa65f4c3768024c0b552282f6e46f163b91bb255cb4b130731ec522bf8f26f4e

  • memory/2396-17-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB

  • memory/2396-19-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2396-20-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB