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Analysis

  • max time kernel
    135s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2025, 03:58

General

  • Target

    e802c5a1c44ead2bbe5cf3912a07d118e77a7e1c36c4f811dab0984074da0f40.dll

  • Size

    137KB

  • MD5

    f601cb114eb8b93883d8f62bf48d53d1

  • SHA1

    2b60ceac79be8643026e4802c6b50c410f477bf1

  • SHA256

    e802c5a1c44ead2bbe5cf3912a07d118e77a7e1c36c4f811dab0984074da0f40

  • SHA512

    1835f575b5f0b24df16e4f857099464944036ea46f83d6b089125be425788f667bdd3bc6a381a41074d8cf4f19ef729da39e7f5bb6085b074cf885d15b92e0da

  • SSDEEP

    3072:rR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu9:G25GgFny61mrav

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 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\e802c5a1c44ead2bbe5cf3912a07d118e77a7e1c36c4f811dab0984074da0f40.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e802c5a1c44ead2bbe5cf3912a07d118e77a7e1c36c4f811dab0984074da0f40.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:3192
      • 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:2004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 616
        3⤵
        • Program crash
        PID:4444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3192 -ip 3192
    1⤵
      PID:4660
    • C:\Windows\system32\Spoolsv.exe
      Spoolsv.exe
      1⤵
        PID:4612
      • 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:448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\AppPatch\ComBack.Dll

        Filesize

        137KB

        MD5

        1b4a5a7438ff467e4f1a405ce3ec427b

        SHA1

        e85c28d0480762d67a7f4647bad49071b4b03af8

        SHA256

        b7d39c85d994943fde280d7e7a95f65e2b24d8485610d99f38ddcf58a4fbbe82

        SHA512

        1b7cef14d07a7c760606b3f1c7c90a5a9a3ad12b15f2442fa88252e92c9336345b65681d0f7125072248c45a691874ced319496b40f45f81db4732f8e7930e2a

      • C:\Windows\SysWOW64\Miscson.dll

        Filesize

        137KB

        MD5

        9c9a1516c63e8a52520ccbfaa57fffa7

        SHA1

        aa032e88910fb7ae2e53369f98d151b1e2e0a440

        SHA256

        451ea029c415492d65930e96fe730e7f06a8b0ea8411c8f1853b728bf66ee7a7

        SHA512

        4974c4e68525a771c0cad6f908310493845f060586aab0c00a9f7af1b38530f3096302938c03ae60ab21b88ddb568fc06201301049b25b789214b65728bc27a1

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

        Filesize

        128B

        MD5

        20f919a9ccbec918eb7c4af63ed7b7fd

        SHA1

        fbf389239d88d11a4d24eac55a26dd621f30b905

        SHA256

        65c0f84cdb1cf67393d988f34054ec6cdf0e113ae432de5e24d6e5e31d9fbe17

        SHA512

        1b728573d77c1a2c93df5910c33fa7cd819218b5fdd7528c938cb85d4c34dbc87f94acc55140e8efc758c8b137a7aa5053dc29c3750a07d22bee10cafc60a7fa

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

        Filesize

        247B

        MD5

        7250a644f0b651ecd1f774ee0a84dfd4

        SHA1

        043820373edb1ed2c41c61772a47940ad4fa2e55

        SHA256

        5cee34d1a4582e0f7372586d4d73a6c8a610cde12b0ac86b20748bd61854eb79

        SHA512

        98d363b336277b8fa989fc2babc8ef3dfbc73f04ba4d1ee77f9e7774bfa296e51a6f919053756653cb170caea8130b64bc34c82eee797fb590f8df8f60951ce0

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

        Filesize

        326B

        MD5

        920fa8e54fbb255e720873fef05d7540

        SHA1

        d54080f34e905a3cac24f4fc355751ffbc96cac4

        SHA256

        7d60ec9af66fa073bf9c206c43ee2bfbab7a271d5a744ea6fc8a63d726949ad2

        SHA512

        fc51b983b2f2c62336bb7eb9a02651524c82a884c1db2bdeea30cde8c82feb5d49a9ee53d3539b56eee43099cb88098fea27c9ff02cdc1937df3ca67d6ad75cc

      • C:\Windows\SysWOW64\scsimon.dll

        Filesize

        137KB

        MD5

        15a587ca33e87789941748035cff8f88

        SHA1

        fdb6a8f717db074f1405984e1a5594338f6336ef

        SHA256

        dbc4c340452c602538c8119d9c3328396df560f3d551bf636a5e0095c4c1b931

        SHA512

        72b083deb1fe37ffa8d67e01e64099b026d2b11ca0c61b53ae8be24297f550abbf5fedc9bb40f376223ac4ba5ef6a1e27f8a024215a4a23e4252eba563209d5e

      • memory/2004-25-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/2004-31-0x0000000000790000-0x00000000007B7000-memory.dmp

        Filesize

        156KB

      • memory/2004-15-0x0000000000790000-0x00000000007B7000-memory.dmp

        Filesize

        156KB

      • memory/2004-17-0x0000000000790000-0x00000000007B7000-memory.dmp

        Filesize

        156KB

      • memory/2004-16-0x0000000000610000-0x0000000000633000-memory.dmp

        Filesize

        140KB

      • memory/2004-27-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/2004-28-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/2004-24-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/2004-29-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/2004-30-0x0000000002BF0000-0x0000000002C0D000-memory.dmp

        Filesize

        116KB

      • memory/3192-9-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB

      • memory/3192-6-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/3192-13-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB

      • memory/3192-12-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB

      • memory/3192-21-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB

      • memory/3192-42-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/3192-44-0x0000000043E50000-0x0000000043E77000-memory.dmp

        Filesize

        156KB

      • memory/3192-10-0x0000000010000000-0x000000001001C000-memory.dmp

        Filesize

        112KB

      • memory/3192-14-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB

      • memory/3192-5-0x0000000003270000-0x000000000328D000-memory.dmp

        Filesize

        116KB