Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 19:13

General

  • Target

    f46bc38dc6b617ac58f3eba66910504e76cd0dc0111d58ad205441e5d5b73bb7.exe

  • Size

    1.2MB

  • MD5

    7e803b44bfd0cccca173921e2667dd36

  • SHA1

    56b14dce29cf5f250c29aced2f049384a34808ae

  • SHA256

    f46bc38dc6b617ac58f3eba66910504e76cd0dc0111d58ad205441e5d5b73bb7

  • SHA512

    a87be36391744ad0f318393bf16087a9c2a1990f02f7018e34916c0c2da783f0ec249d6ad7dc837aba076c6d89d8e239c9fdb86aa4b49d227da0ecf00c4a911b

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiG:WIwgMEuy+inDfp3/XoCw57XYBwKG

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • 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
  • 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 6 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\f46bc38dc6b617ac58f3eba66910504e76cd0dc0111d58ad205441e5d5b73bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\f46bc38dc6b617ac58f3eba66910504e76cd0dc0111d58ad205441e5d5b73bb7.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:1504
    • 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:1724
    • 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:2100
    • 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:2880
      • 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:2004
        • 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:2440
    • 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:2696
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:2264
      • 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:932
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259444732.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2348
      • 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:2792
        • 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:2772

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92B

        MD5

        29ce53e2a4a446614ccc8d64d346bde4

        SHA1

        39a7aa5cc1124842aa0c25abb16ea94452125cbe

        SHA256

        56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

        SHA512

        b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

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

        Filesize

        753B

        MD5

        3498984f4d230b92897c835d760688a6

        SHA1

        4b6b96095faf86917ec4cebec72c2abe46c58f67

        SHA256

        6bb3f50f33ba6dc67cd19af4bcd53515b26c8aec6a10dc7d73739888bd2fec80

        SHA512

        3bfe5d912325c8ced93969e8ff2327a0c4741bb744de4c5f82c4ba557da792d1476e6b00a41c1f9f772d9bd6d839e73d71053e0ca973cb9b42990da86202e65a

      • C:\Windows\SysWOW64\ini.ini

        Filesize

        45B

        MD5

        eb425300bbeb53f4470370ab49e8c9c2

        SHA1

        f7edbdb1e7e800d26339aa0a1b58060696eb3336

        SHA256

        bfccd7782ad020f138aab21ae77a7e166fbc7dace2d8968c392413feda7660cf

        SHA512

        e50c68e02ad7d491f10c98373b3e04a915142a5e090a2d8e9af1237db22c757cbf889fa3326e9c368b7e238132dbe5cdd87e269d55c575daaf25465cc3c0c4d0

      • \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

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

        Filesize

        1.2MB

        MD5

        6580d57e675d2c7c87508dbfb0c6e30c

        SHA1

        ae5263f6c7b2d9350d13d54ccae7c47f351af4fb

        SHA256

        597c3ff93106edbd701db1044efcb9f348d05e53e95510a852c45c90e76b9dd5

        SHA512

        1f081473ef19086865631f877f4f57e086bd0bc6cae6861fdbab906a49787ebc5008610c53125f2d89b798619046a2ebc3a0243d6382c05472bcdfbc42b2b378

      • \Windows\SysWOW64\259444732.txt

        Filesize

        49KB

        MD5

        dd6497d302ff5b927083421abf6fd3b5

        SHA1

        8e1284245d25556373171e60bed8ab1711e9f572

        SHA256

        508cf36e006cbc5281bc3a4bf68a0a8363ae843192d702baf59a5bd87ca747b2

        SHA512

        7226cf0349c28b3b348682686a9cc14e2f1f7eebf75cca20a4fa29b2e506a5a5fe06c9723347f8a96e23e715c953585692deee5119fc95ac3102c06ebdc1e3a2

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

        Filesize

        43KB

        MD5

        51138beea3e2c21ec44d0932c71762a8

        SHA1

        8939cf35447b22dd2c6e6f443446acc1bf986d58

        SHA256

        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

        SHA512

        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

      • memory/1504-83-0x00000000022C0000-0x00000000022D0000-memory.dmp

        Filesize

        64KB

      • memory/1504-80-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-102-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-99-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-96-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-71-0x00000000022C0000-0x00000000022D0000-memory.dmp

        Filesize

        64KB

      • memory/1504-70-0x00000000022C0000-0x00000000022D0000-memory.dmp

        Filesize

        64KB

      • memory/1504-1-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-93-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-89-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-0-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1504-82-0x00000000022C0000-0x00000000022D0000-memory.dmp

        Filesize

        64KB

      • memory/1504-86-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/2772-55-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2772-63-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2772-59-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2880-32-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2880-34-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2880-35-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB