Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 20:30

General

  • Target

    1b98c3dab001fc358ba20cfa33e89dcd4c0357c6a407c9c2be9a34317cb1735f.dll

  • Size

    137KB

  • MD5

    0630e8881baf69981400461d1790f422

  • SHA1

    2f118fa748268b3d15ae7aa1b2d8a8205b26e048

  • SHA256

    1b98c3dab001fc358ba20cfa33e89dcd4c0357c6a407c9c2be9a34317cb1735f

  • SHA512

    eaae0b54008902c415308c5d0db239e452f15ce062e40c843ae13d8a902b3dfeae12a6fc9cf7add81e1d43564e159a7d89bfaf79981ee5c128ee5b16ac394824

  • SSDEEP

    3072:XR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuP:q25GgFny61mraF

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\1b98c3dab001fc358ba20cfa33e89dcd4c0357c6a407c9c2be9a34317cb1735f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b98c3dab001fc358ba20cfa33e89dcd4c0357c6a407c9c2be9a34317cb1735f.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:3040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 616
        3⤵
        • Program crash
        PID:3144
      • 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:4132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3040 -ip 3040
    1⤵
      PID:4340
    • 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:756
    • 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:4148

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\AppPatch\ComBack.Dll

      Filesize

      137KB

      MD5

      c005f895b561f3e057665bfa9ad4bf31

      SHA1

      24d16dd24775e2cfb0255bc1b64ac8e28e94c749

      SHA256

      e128b77df618392ba27e472da30b621af1d761478f71c117b2a2113ede260700

      SHA512

      9e13baf9369326d6ae8ed002c8fb17ecde0c898fddf0224590d3851ccd78e5bda6ee6f2d8f2608c70ed273237ac7cc48c3a7fd6fc2d2b356d63501a43f944420

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

      Filesize

      128B

      MD5

      34a5be20b3a23d1e918d86f113af42da

      SHA1

      eb3e6c377e09c544cf790923b9efd5b57bed11c9

      SHA256

      ea4ec2a68ae9ce2cfeffadfe81d3e1d8e145f71f288ae09d170a46147bbb9930

      SHA512

      38cb62ec6b647b46658f67c107907ad2c26149df51e098255f8023f3f76a7b45fb1f6bc258385f3472c3608b9a865d2c4653e7a0cfd91c7b34c06aace25e0905

    • memory/3040-22-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB

    • memory/3040-6-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3040-7-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-10-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-13-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-14-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-5-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3040-16-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-12-0x0000000001060000-0x000000000107D000-memory.dmp

      Filesize

      116KB

    • memory/3040-20-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/4132-15-0x0000000001800000-0x0000000001827000-memory.dmp

      Filesize

      156KB

    • memory/4132-17-0x0000000001260000-0x0000000001283000-memory.dmp

      Filesize

      140KB

    • memory/4132-18-0x0000000001800000-0x0000000001827000-memory.dmp

      Filesize

      156KB

    • memory/4132-29-0x0000000003520000-0x000000000353D000-memory.dmp

      Filesize

      116KB

    • memory/4132-27-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/4132-36-0x0000000003520000-0x000000000353D000-memory.dmp

      Filesize

      116KB

    • memory/4132-37-0x0000000003520000-0x000000000353D000-memory.dmp

      Filesize

      116KB

    • memory/4132-35-0x0000000003520000-0x000000000353D000-memory.dmp

      Filesize

      116KB

    • memory/4132-34-0x0000000003520000-0x000000000353D000-memory.dmp

      Filesize

      116KB

    • memory/4132-30-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/4132-46-0x0000000001800000-0x0000000001827000-memory.dmp

      Filesize

      156KB

    • memory/4132-48-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB