Analysis

  • max time kernel
    141s
  • max time network
    141s
  • 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, 07:44

General

  • Target

    0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794.exe

  • Size

    205KB

  • MD5

    043495222e10e9627e31e05de4d068ea

  • SHA1

    6b25d8a69d7991dae4d55c87f13a21ffa13a82d6

  • SHA256

    0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794

  • SHA512

    8735171bce6a039211c695c1e6647fccf2c537b73c0412a3b16939cd43502ae20f76d82c5c11f2f7f30a840538839d22cfe470c7e403535a0113bd3eda02fef9

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF: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\0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794.exe
    "C:\Users\Admin\AppData\Local\Temp\0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zdbinvcp.exe "C:\Users\Admin\AppData\Local\Temp\0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1516
      • 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:3788
      • C:\Users\Admin\AppData\Local\Temp\zdbinvcp.exe
        C:\Users\Admin\AppData\Local\Temp\\zdbinvcp.exe "C:\Users\Admin\AppData\Local\Temp\0c23f85038faeb581e637fdca316c1edc57a75cf93305cf7ec5d23f7e9e96794.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:4036
        • \??\c:\Program Files\htchqrrj\zqrfhrc.exe
          "c:\Program Files\htchqrrj\zqrfhrc.exe" "c:\Program Files\htchqrrj\zqrfhrc.dll",Compliance C:\Users\Admin\AppData\Local\Temp\zdbinvcp.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:4888
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\Program Files\htchqrrj\zqrfhrc.exe "c:\Program Files\htchqrrj\zqrfhrc.dll",Compliance
    1⤵
      PID:4436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\htchqrrj\zqrfhrc.dll

      Filesize

      141KB

      MD5

      814c8b47c6f4b43595f48b949a3d29ca

      SHA1

      8ee1695d56a6fea415a2718e78fbba502e24d5ff

      SHA256

      f5b7675fc84615f5f60f0110aa5fbeec61f0d28c2b1629036a9a05ac4553166b

      SHA512

      36d11e0d6a7c83d69b8a4e62cda96ac361b011b98d9f0031bd3dd5f63c477db08f4de2c234b5851b57f93dbbf09567746424d4ec0fa6ea58635338f05c7ac5f8

    • C:\Program Files\htchqrrj\zqrfhrc.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

      Filesize

      206KB

      MD5

      58e8ebc7d69e0d55552e1fea23f26083

      SHA1

      122a0a3add8760121751917a7cdf7058e34621a3

      SHA256

      ef4803115167c157ac1d6db9bc9273b548157ada2c70f94c3286188c50f4d0a4

      SHA512

      75a4ae217108b53d3900614cb9bd4291bcd0cc58edc6c96931e472d307c82c6edd0e7c43ec67220c96b554f6574026138d75a45526fa29670dc31963c892eebd

    • memory/2144-5-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2144-0-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2144-2-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/2144-1-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/4036-10-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/4036-9-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/4036-17-0x0000000000400000-0x000000000044901D-memory.dmp

      Filesize

      292KB

    • memory/4888-20-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB

    • memory/4888-22-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB

    • memory/4888-25-0x0000000010000000-0x000000001004E000-memory.dmp

      Filesize

      312KB