Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/03/2025, 08:08

General

  • Target

    c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe

  • Size

    207KB

  • MD5

    4c9162f7f91b170993b997ed977c6cc7

  • SHA1

    085f669fae4d0a6f4a2a02b26dc839c67278ab29

  • SHA256

    c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1

  • SHA512

    70697ebfc3bc60672f9d2bb86ecdaf5542921415cd03144abbf0fd2ae7921afddce8959791f925d07eac1e716b037119c7ed4471b9154ac82d29eda42dcc52e2

  • 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 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe
    "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cqimhswk.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • 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:2696
      • C:\Users\Admin\AppData\Local\Temp\cqimhswk.exe
        C:\Users\Admin\AppData\Local\Temp\\cqimhswk.exe "C:\Users\Admin\AppData\Local\Temp\c8419c826d3ad8f927166961c9447abde6322c72d2527acd0d3cf3302c2ed1b1.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1148
        • \??\c:\Program Files\hlamnmlzg\jfgll.exe
          "c:\Program Files\hlamnmlzg\jfgll.exe" "c:\Program Files\hlamnmlzg\jfgll.dll",Compliance C:\Users\Admin\AppData\Local\Temp\cqimhswk.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:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\hlamnmlzg\jfgll.dll

    Filesize

    141KB

    MD5

    35ed786086345ba187e1a9bc5bddc280

    SHA1

    52d7c6be72390af4880139f32c4947e558fd104d

    SHA256

    762c85dd4ac7d30dcaf171f83bd04c2f0b704fa05fc9f92bf28ac75da544460e

    SHA512

    089c911501fa658ed407eac10a89808ef59db39993d9602532c9424c326063ed16b4e1251d2bf0091cd5e972f1f07cdef9e5318f9ea3bf73955120db947a8b51

  • \??\c:\Program Files\hlamnmlzg\jfgll.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    208KB

    MD5

    7fd4e07881c2ca2abc807d5d126d7d05

    SHA1

    e03b355adb39e5cc55ab6bdc2c9d4863e1373ecc

    SHA256

    5e3123a74471827380920cf61a6eb0d43e400bd7ee67c22c245422ccecadfbaa

    SHA512

    c8e8bdeb7a2160034c18bf21b14281657fb4c5bbfd9cc4cef2ec3cb0029c132b8bedc44b10685ecbcb1d242b8569d4f2e3c91705bf6ca15b42d0c1ac6b27ea62

  • memory/1148-11-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1148-10-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1148-12-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1148-20-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2204-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2204-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2204-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2204-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2368-6-0x0000000000260000-0x00000000002AA000-memory.dmp

    Filesize

    296KB

  • memory/2576-30-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-26-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-27-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-29-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-31-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-34-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2576-36-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB