Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2025, 08:35

General

  • Target

    699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe

  • Size

    207KB

  • MD5

    3181b42d5f7f125bbb51d06f58dd0fe5

  • SHA1

    828da6789f7b7998afd87069ad7d75ad67ddaf07

  • SHA256

    699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54

  • SHA512

    2ce042fe30a9e9e918ff3384700f60e86c1abdb82635b859ace86fadc68b923dfb3905959382b5eff114960bd07498741b724672978e01dfa27e8a890f371788

  • 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\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
    "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\omuxbdx.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:8
      • 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:1988
      • C:\Users\Admin\AppData\Local\Temp\omuxbdx.exe
        C:\Users\Admin\AppData\Local\Temp\\omuxbdx.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.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:1608
        • \??\c:\Program Files\csnca\jamzccsq.exe
          "c:\Program Files\csnca\jamzccsq.exe" "c:\Program Files\csnca\jamzccsq.dll",Compliance C:\Users\Admin\AppData\Local\Temp\omuxbdx.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:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\csnca\jamzccsq.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    207KB

    MD5

    3744900dbebc61ba001f20bc8276321b

    SHA1

    0b4c904582f9c5a565b516ac3fc0dce46dec65dc

    SHA256

    05843a9bb087f41413d897e4fba7f38955cb2be66212323c869fe023179dfe26

    SHA512

    63b65446033b44d609f8daaf7dd670c75ff1ea1073351faafcec37b81c5fe6136651d6e08859f3628b46663c8a26dc721a1732b375ba162c1fd788e33c18e587

  • \??\c:\Program Files\csnca\jamzccsq.dll

    Filesize

    141KB

    MD5

    698c0578a56c6d8cc03216307be5af46

    SHA1

    06c5e143f82e1d044399bf977b16cf4dd1aed01a

    SHA256

    ed7cf6aca1f7b863d009fbc8d5747816903d005781bc2a4abef955aaa295699f

    SHA512

    93ca8a15b3e063fcd66d8204040f85e6a530dc9e91157f1f0e877afe8976e29fc16a60d0c678e77cf693ff3b5ce848d61d409be2766fb98b2fa0773cee917ec6

  • memory/216-23-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/216-20-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/216-19-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/1608-9-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1608-15-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1608-8-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3092-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3092-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3092-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3092-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB