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Analysis

  • max time kernel
    134s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2025, 01:55

General

  • Target

    ab4ff6e02f219cad766bda60c54ae6cba1c857726715337eeb29e70002646503.dll

  • Size

    137KB

  • MD5

    2ff8aee30f8d64b1e4366e87f28e21c2

  • SHA1

    d8afcddb3c9a8d52b0ae329525098d9b27509c88

  • SHA256

    ab4ff6e02f219cad766bda60c54ae6cba1c857726715337eeb29e70002646503

  • SHA512

    80935599413e6251517c9f3e0c747cbe8f12c0a43cdbe3967235efeb88eed390ab62f2d31df2f521402614614a1b4703f00f2d85184ea1f337e902b32991b73c

  • SSDEEP

    3072:1R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuI:Y25GgFny61mraC

Malware Config

Signatures

  • Gh0st RAT payload 3 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
  • Blocklisted process makes network request 1 IoCs
  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 16 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 15 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 12 IoCs

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

  • Modifies data under HKEY_USERS 22 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\ab4ff6e02f219cad766bda60c54ae6cba1c857726715337eeb29e70002646503.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab4ff6e02f219cad766bda60c54ae6cba1c857726715337eeb29e70002646503.dll,#1
      2⤵
      • Blocklisted process makes network request
      • 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:2100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 616
        3⤵
        • Program crash
        PID:3460
      • 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:4964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2100 -ip 2100
    1⤵
      PID:320
    • 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:208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\AppPatch\ComBack.Dll

      Filesize

      137KB

      MD5

      736ae50ed70c7fece38d9817d5685e1b

      SHA1

      b5c46043b2954fb9cd609d2091ba1050d4cfbc8a

      SHA256

      400446c5907761a34f3ffcf22441b23ecf91c399d4265b7c0ba2b845c41ddd8d

      SHA512

      9b07ee3b7668d58552e5fbe0cde3302644bb81215b204be007d0f3309d101988028d5b7c9b0265b09a533c0044dea755cd71f0e30314dfd61b1d55db75e37906

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

      Filesize

      128B

      MD5

      c4346cc39705e2e4c74650dffca1af05

      SHA1

      846bf6581c6434065d00f9eb67c5dcb013d4d911

      SHA256

      9ef2d85e52dea16b56e9fbd0c0cb9f4bdd4dd9a38fa053560b9bb79ad009bea4

      SHA512

      c5d080393528e5513d816c272a04c2bd6dacf06938544cc7620d48861c21ba89602db562e9cb00d9e17f2f4fc6b2d8e406a0d51b5cd3522a76c8588cdba1c9fd

    • memory/2100-5-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/2100-12-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/2100-13-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/2100-7-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/2100-6-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/2100-35-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB

    • memory/2100-16-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/2100-15-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/2100-33-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/2100-10-0x00000000025E0000-0x00000000025FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-18-0x00000000014D0000-0x00000000014F7000-memory.dmp

      Filesize

      156KB

    • memory/4964-28-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-29-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-27-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-25-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-24-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-31-0x00000000014D0000-0x00000000014F7000-memory.dmp

      Filesize

      156KB

    • memory/4964-30-0x00000000031E0000-0x00000000031FD000-memory.dmp

      Filesize

      116KB

    • memory/4964-14-0x00000000014D0000-0x00000000014F7000-memory.dmp

      Filesize

      156KB

    • memory/4964-17-0x0000000000F10000-0x0000000000F33000-memory.dmp

      Filesize

      140KB