Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2025, 01:16

General

  • Target

    7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll

  • Size

    137KB

  • MD5

    2027c3e1a6842ef18f9b69c30f60748d

  • SHA1

    15484be9d393007a01a60be34cb7255fb72caceb

  • SHA256

    7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550

  • SHA512

    2821381c0c8294e02718d7cb316f156843ade004b5b2380a934464df882a9c5dd7d7ccb30c8e2933bceab97cab06dd8aec5ede042ed0a2eaf54458e1e9bd5ec1

  • SSDEEP

    3072:uR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuZ:725GgFny61mraP

Malware Config

Signatures

  • Gh0st RAT payload 4 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 16 IoCs

    Detects file using ACProtect software.

  • Drops file in System32 directory 10 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 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.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:4544
      • 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:4908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 616
        3⤵
        • Program crash
        PID:184
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
    1⤵
      PID:2920
    • C:\Windows\system32\Spoolsv.exe
      Spoolsv.exe
      1⤵
        PID:2912
      • 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:4764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\AppPatch\ComBack.Dll

        Filesize

        137KB

        MD5

        7a298ebb0e14253a8fbe1677a12423f5

        SHA1

        35143dfdb06e208d3a006cd7cb033d3c9db7c682

        SHA256

        27429b6365fa451f4bf3741daba5ba6ddf57065d974d66e40df636fa8e6300da

        SHA512

        7f5d3bc555bc0d874fee039f1edd8520fcda8e9761cba888b2cd3fe84aa43b891f872a0f3633a0b9f44a31555f25d46a413403c3007e80d543ea6779c32ab5ba

      • C:\Windows\SysWOW64\Miscson.dll

        Filesize

        137KB

        MD5

        a69b41befb451e92ab1de67118d7c0d0

        SHA1

        a661721790795b253a02d5718f231c450243eafd

        SHA256

        b506d24a55e18c5cc7cfbab6c4a4d234d8c4fc5ac768e0fa858df21104140a10

        SHA512

        da9fae338c8582d910d42b577807f89017af5a95f4ebdf4a7ddafd155c1f608f216a9449cb05f5f34669d75f88818e2be9d323a9414411f01b20ca9d70ec5ab5

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

        Filesize

        99B

        MD5

        ab69455cd6dd9384e975bc278052f4fc

        SHA1

        f12d7b41c80ed9c77ddcc9090547e4916842e048

        SHA256

        fe347e41261fca61b0cf0fcdecbfb945b2ba064ffcfc89b51ab70817c2e3f2cf

        SHA512

        c456c6d3ada796a051c390cf80993540ee4574e586a3cdb514a22bd34f54cd82f6e1bc03bc4ec4d596e3169e79157402ed2d4411dda6246b93c6d6dfe79d4485

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

        Filesize

        247B

        MD5

        5a6e368d1cec6d2229beb1044b86ef72

        SHA1

        8d4194d5c3b9e38181e408927db6cf8d93c4ce58

        SHA256

        5d130123b5fabbfec2d7d1016d4a7d6f4a294e7f50e13cd2e61a0701b773f37a

        SHA512

        8e9effe6d31f8d61a2e9fd5ca473f210563e405b23b62ddc66e6f31bdb18e95440b07336268db7d7193073b4fdd3c1f8f91694259f3ea975c2b6d5971b07131e

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

        Filesize

        290B

        MD5

        75c465a5e7d05f20138ac20d10002805

        SHA1

        6015a8badbaf58599d7edee201e70aa96b3837e0

        SHA256

        f58ff79ebfe537c0b2e14a2216eee91dc88f55e0e161de4bb3faa24d1ea22c67

        SHA512

        6a0df9ae20b4c227e43dcf39297c55a381b515f95b3e120deb80542715d421c05c6f519ea3e5a97bbaceb21f82db37bed60810ba5b9169a53976f322dcd1c533

      • C:\Windows\SysWOW64\scsimon.dll

        Filesize

        137KB

        MD5

        aed0a98c5cf2e9718640a12f57b4693e

        SHA1

        f0a35ffeeeea70e58f647cbc3c24cd988200f58d

        SHA256

        72a6bc3ed1e05136e5930a55ca60ce6dca160296cb720187684f94919e575416

        SHA512

        bad9262533f964ee7f7248708b8880a6c089eaed673399f6ef612a10786249a9a024e1f67256d9eefe085412a966b8f3f72538c9514657641374ddce73e199b9

      • memory/4544-5-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/4544-6-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/4544-41-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/4544-43-0x0000000043E50000-0x0000000043E77000-memory.dmp

        Filesize

        156KB

      • memory/4544-4-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/4544-18-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4544-14-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4544-13-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4544-12-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4544-7-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4544-8-0x0000000003070000-0x000000000308D000-memory.dmp

        Filesize

        116KB

      • memory/4908-27-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-16-0x0000000000CC0000-0x0000000000CE3000-memory.dmp

        Filesize

        140KB

      • memory/4908-15-0x0000000000DC0000-0x0000000000DE7000-memory.dmp

        Filesize

        156KB

      • memory/4908-29-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-28-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-24-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-44-0x0000000000DC0000-0x0000000000DE7000-memory.dmp

        Filesize

        156KB

      • memory/4908-30-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-25-0x00000000032D0000-0x00000000032ED000-memory.dmp

        Filesize

        116KB

      • memory/4908-17-0x0000000000DC0000-0x0000000000DE7000-memory.dmp

        Filesize

        156KB