Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2025, 08:43

General

  • Target

    0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e.exe

  • Size

    206KB

  • MD5

    2ed9257013c5ca081562ddca06191c1b

  • SHA1

    d803295bd4d9197f8d3d243d0716466683804077

  • SHA256

    0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e

  • SHA512

    bb32d5c23ac9daf6ae6adcb8d0cc3c38cae86c8fb946c0b3a39132941f8f79e26a50ac9d3d92483b4eac68de1faf334b5ed20e4c2eca53d668ffff617866d8f9

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Extracted

Family

gh0strat

C2

107.163.241.193:6520

http://107.163.241.181:16300/

http://107.163.241.182:12354/login.php

Attributes
  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e.exe
    "C:\Users\Admin\AppData\Local\Temp\0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dfqbwol.exe "C:\Users\Admin\AppData\Local\Temp\0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3664
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3672
      • C:\Users\Admin\AppData\Local\Temp\dfqbwol.exe
        C:\Users\Admin\AppData\Local\Temp\\dfqbwol.exe "C:\Users\Admin\AppData\Local\Temp\0fb5bdfe7e6f328ac5115724e33caf1185fe8f8cac738f1d43477592bd229c0e.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5624
        • \??\c:\Program Files\qvvkiyv\gkqob.exe
          "c:\Program Files\qvvkiyv\gkqob.exe" "c:\Program Files\qvvkiyv\gkqob.dll",Compliance C:\Users\Admin\AppData\Local\Temp\dfqbwol.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4548
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\Program Files\qvvkiyv\gkqob.exe "c:\Program Files\qvvkiyv\gkqob.dll",Compliance
    1⤵
      PID:5356

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\qvvkiyv\gkqob.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Users\Admin\AppData\Local\Temp\dfqbwol.exe

      Filesize

      206KB

      MD5

      4c8e16a881184b3be98115dc59f2430c

      SHA1

      5f739b699cf7a29f2baf01801e6e01aeba9fb447

      SHA256

      7d7e84ee89764abd08e362f8064ef9dce220e56febe101961dbd22ebf01233a2

      SHA512

      e2da897d004e95c45cb4ad0c5351a1891c39b2f5ba1f8d64481e65c47d9e28fd0ba76889844a563eab5484e522bdfe8e8eb9fbe22c4638517407f433550fa3e9

    • \??\c:\Program Files\qvvkiyv\gkqob.dll

      Filesize

      141KB

      MD5

      f2d2f1a9b2fda388009c4aeffedb4e71

      SHA1

      3bfb8813d6bcfdd7f6ed95cc1c3b2e527a33179c

      SHA256

      52046ccda6326fe782e5942757226a604d6fcc5c89663f82011730979662fc8e

      SHA512

      5e411fff6f4222b8c12d89c62efe2354772e0e047db8b37729df384774100ae30a5bd9a2fe803aefdb19a8e15119b5f1182af76d9d6f62cb40540d4e696850ac

    • memory/2904-4-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2904-0-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2904-2-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2904-1-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/4548-19-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB

    • memory/4548-21-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB

    • memory/4548-24-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB

    • memory/5624-8-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/5624-9-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/5624-15-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB