Analysis

  • max time kernel
    107s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 02:41

General

  • Target

    5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll

  • Size

    137KB

  • MD5

    6bb8264813d9675d10eddd7a04ae8b68

  • SHA1

    158f34b4e145839e790cbe55b75deded67d78057

  • SHA256

    5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844

  • SHA512

    76f7bda14c3ba324b03cab0844389c87dc001403cd41a88ee7b01fee4c1feed716d5dbcfd6d1744b1154aa97c5151c4b85e21a8b3c90a9fa4072a7378c57d7d9

  • SSDEEP

    3072:BR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuY:M25GgFny61mra6

Malware Config

Signatures

  • Gh0st RAT payload 6 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
  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 28 IoCs

    Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

  • Sets service image path in registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 17 IoCs

    Detects file using ACProtect software.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Program crash 1 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 SCSI registry key(s) 3 TTPs 24 IoCs

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

  • Modifies data under HKEY_USERS 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1
      2⤵
      • Boot or Logon Autostart Execution: Port Monitors
      • Sets service image path in registry
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 616
        3⤵
        • Program crash
        PID:3236
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe -k rundll32
        3⤵
        • Boot or Logon Autostart Execution: Port Monitors
        • Sets service image path in registry
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1668 -ip 1668
    1⤵
      PID:2864
    • C:\Windows\system32\Spoolsv.exe
      Spoolsv.exe
      1⤵
      • Boot or Logon Autostart Execution: Port Monitors
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:1780
    • C:\Windows\system32\Spoolsv.exe
      Spoolsv.exe
      1⤵
      • Boot or Logon Autostart Execution: Port Monitors
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:3476

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\AppPatch\ComBack.Dll

      Filesize

      137KB

      MD5

      6daf04565c14357f3e855cec2ccb510b

      SHA1

      168357fd477db856ed2527e2baf9833a40f59ab3

      SHA256

      40bfc661512e65143162d2eece51f12d5df0eb3b40a7d4162cd57ec8f0b5d8c8

      SHA512

      4848a5e3494de64e0d73bd7c7c495b1106dd6e6b697c5ddd35b14fd37fdff56cbfa17d39ef1c1aae9f4da7e594a49666a57a3866505ecb182788fd2e6fd39111

    • C:\Windows\SysWOW64\com\comb.dll

      Filesize

      128B

      MD5

      89f27b9bc70c4d39f4e62de5568f666f

      SHA1

      22bf9f199cb1f57a515809c00f0127555591ccc3

      SHA256

      e5d5bd8e47b93548027150445de43cdbb62d598221499d7dc3574fc94b3de3f5

      SHA512

      8b13b9f353a16b5853b3a72d554d0bcb7879e7236d21a7ae1cf80d62331dd0f5e464478cfbad89a8e0dace5b78b2e658476760ba5b27cbcd1c72d30d0483bc5f

    • memory/884-16-0x0000000001040000-0x0000000001067000-memory.dmp

      Filesize

      156KB

    • memory/884-31-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-26-0x0000000001040000-0x0000000001067000-memory.dmp

      Filesize

      156KB

    • memory/884-20-0x0000000000AA0000-0x0000000000AC3000-memory.dmp

      Filesize

      140KB

    • memory/884-47-0x0000000001040000-0x0000000001067000-memory.dmp

      Filesize

      156KB

    • memory/884-35-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-38-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-37-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-36-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-29-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/884-21-0x0000000001040000-0x0000000001067000-memory.dmp

      Filesize

      156KB

    • memory/884-49-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/884-30-0x0000000002C30000-0x0000000002C4D000-memory.dmp

      Filesize

      116KB

    • memory/884-28-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1668-22-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB

    • memory/1668-6-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1668-18-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1668-10-0x0000000002A80000-0x0000000002A9D000-memory.dmp

      Filesize

      116KB

    • memory/1668-7-0x0000000002A80000-0x0000000002A9D000-memory.dmp

      Filesize

      116KB

    • memory/1668-12-0x0000000002A80000-0x0000000002A9D000-memory.dmp

      Filesize

      116KB

    • memory/1668-14-0x0000000002A80000-0x0000000002A9D000-memory.dmp

      Filesize

      116KB

    • memory/1668-5-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1668-13-0x0000000002A80000-0x0000000002A9D000-memory.dmp

      Filesize

      116KB