Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 11:47

General

  • Target

    1a20752a766fc5fb5940f9aa05406829e58d84da8e0bb03b26ec20bd6ab238ac.exe

  • Size

    1.2MB

  • MD5

    a04ba7b67c72124f472664d550acff28

  • SHA1

    d4214aa5f7e186b64fc8a904d2764adc9f7fc366

  • SHA256

    1a20752a766fc5fb5940f9aa05406829e58d84da8e0bb03b26ec20bd6ab238ac

  • SHA512

    cd2335f67fd5a5ac489a64500322833057fc87c13f077bcf483a9ae4dd324d4141a31e9a3f9dbeb929a7a596de84fea28c32c342d48e2d3f7b2bab52bbd1bf72

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+F:MnTjaD/9v6Vcx9HwNhuF

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a20752a766fc5fb5940f9aa05406829e58d84da8e0bb03b26ec20bd6ab238ac.exe
    "C:\Users\Admin\AppData\Local\Temp\1a20752a766fc5fb5940f9aa05406829e58d84da8e0bb03b26ec20bd6ab238ac.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2056
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\AK74.exe
      C:\Users\Admin\AppData\Local\Temp\\AK74.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\AK74.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2124
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1300
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2476
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:1376
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259449958.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2976
      • C:\Windows\SysWOW64\Ghiya.exe
        C:\Windows\SysWOW64\Ghiya.exe -auto
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Windows\SysWOW64\Ghiya.exe
          C:\Windows\SysWOW64\Ghiya.exe -acsi
          2⤵
          • Drops file in Drivers directory
          • Sets service image path in registry
          • Executes dropped EXE
          • Suspicious behavior: LoadsDriver
          • Suspicious use of AdjustPrivilegeToken
          PID:3024

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

        Filesize

        92B

        MD5

        d0c27806f31b93b9fc2f40725c83fe20

        SHA1

        59b05bb965b9f9670f7b91c70e9e2175f6249f50

        SHA256

        827d79897a4ae98726ba7df9e70a554976117bfdd7e4867047011e1260b82e8e

        SHA512

        00755e257773645293e6330aef499a96562f65076f616d539c4dd91b13f6b67d8ebe936881edd0c10b2da3ca67e4a854f3d708c594fba291dab83897d890a4fa

      • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

        Filesize

        753B

        MD5

        c877d96ef0a50abdaa843c5eb8335baa

        SHA1

        65a850497763a9c21d17c08a86984bccf2500ff8

        SHA256

        fb3dbf872fb985c70f56ff78f5797f0b17ff33a2f45ae75935270351ecbe8ee7

        SHA512

        3f7ea0c79590ca6dfc22f733973ed5c9d050b9a160a88dbe4a3ef0bfe30f1ccc9bf96a93fb9168f6b1224a8aa87238e1b4b6e7e5ea60bc6823c028bcd261141b

      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

        Filesize

        1.2MB

        MD5

        7eda614e2d9312d87c654ca65c06e2e8

        SHA1

        4deb11223617f235a7000fda4c681e9540b01def

        SHA256

        2e4a7efd07edb1e16e6300a9ace6fbed4fb492af8b0368b6c8481fad558492c1

        SHA512

        550ecd2ed12e6d3578e0d1f7257637750362a2b9cb325c13da965cfbc4c3fcc8bd72078057b4ab3e04da771e9f8aad9312b8437a6112b2c9d9f21728d61d561a

      • C:\Windows\SysWOW64\259449958.txt

        Filesize

        49KB

        MD5

        93ad843f2eca01ec5828ae2ee6f9547d

        SHA1

        347ef777c79bb6a7900bb09a4bb633354c6d0ca2

        SHA256

        92c89b08965f7685e4af5da0202508208861f20f2f290191a46bb259febb1e15

        SHA512

        c92a1859f4a5be36f01faf85f8f50c86a9fc83e62aea644ba47cddb289f8297a1c29a888f1b5db9990953df434fc39193c42eb44ca070a75791b8f7e9ae7ec72

      • C:\Windows\SysWOW64\ini.ini

        Filesize

        45B

        MD5

        4b3916a70c9a4c8705553fb345491089

        SHA1

        6c2785593e1e0aab8928ee59a41883250b233550

        SHA256

        f69d5eef7d3de6a3f9788ea45b1af927f61b18613435df9951628e3b07455e36

        SHA512

        3d9ba9a3e350c55fe080d7acd3d25c8fd35c4cc1acdea99a05aff187391017ece4deb2ad0874ae79b3f3e6dc1ead016a806198ab7c4d48d01db0e435c274e3a7

      • \Users\Admin\AppData\Local\Temp\AK47.exe

        Filesize

        91KB

        MD5

        423eb994ed553294f8a6813619b8da87

        SHA1

        eca6a16ccd13adcfc27bc1041ddef97ec8081255

        SHA256

        050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

        SHA512

        fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

      • \Users\Admin\AppData\Local\Temp\AK74.exe

        Filesize

        400KB

        MD5

        b0998aa7d5071d33daa5b60b9c3c9735

        SHA1

        9365a1ff0c6de244d6f36c8d84072cc916665d3c

        SHA256

        3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

        SHA512

        308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

      • \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

        Filesize

        43KB

        MD5

        51138beea3e2c21ec44d0932c71762a8

        SHA1

        8939cf35447b22dd2c6e6f443446acc1bf986d58

        SHA256

        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

        SHA512

        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

      • memory/2552-82-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

        Filesize

        64KB

      • memory/2552-0-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-103-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-99-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-96-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-1-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-93-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-69-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

        Filesize

        64KB

      • memory/2552-89-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-68-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

        Filesize

        64KB

      • memory/2552-86-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2552-83-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

        Filesize

        64KB

      • memory/2552-80-0x0000000000400000-0x0000000000761000-memory.dmp

        Filesize

        3.4MB

      • memory/2848-34-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2848-32-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2848-35-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-72-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-51-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-57-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-55-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-54-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/3024-53-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB