Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2024, 19:01

General

  • Target

    b94ebbedbd660ecc43ac8e5bafadf262d2194d27aa2980353ed6416f8ca1767e.exe

  • Size

    1.2MB

  • MD5

    2893b2785f340dab73101d98b1089cd5

  • SHA1

    7f6af886e5ad9fde78ccd811709a422093958714

  • SHA256

    b94ebbedbd660ecc43ac8e5bafadf262d2194d27aa2980353ed6416f8ca1767e

  • SHA512

    05557cd0915150e036fbefe303de8ee825d4126ec26821f4911faa2ca404d4ef8cbf5190da2668f02dd850a1cdb9f536613f06f580b159e7a488f30d869f0cf3

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtim:WIwgMEuy+inDfp3/XoCw57XYBwKm

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 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 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 7 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\b94ebbedbd660ecc43ac8e5bafadf262d2194d27aa2980353ed6416f8ca1767e.exe
    "C:\Users\Admin\AppData\Local\Temp\b94ebbedbd660ecc43ac8e5bafadf262d2194d27aa2980353ed6416f8ca1767e.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:2352
    • 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:1892
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1800
    • 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:2204
      • 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:2728
        • 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:2600
    • 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:2580
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2504
    • 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:2456
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259429990.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1240
    • 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:2784
      • 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:2828

    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

            0730b1da76407b6f426376b752375b12

            SHA1

            e384684cd66a8b426376a2292e813f52e4710105

            SHA256

            e84a8fb12a37ef29d9119a7ad04557225ee09892085eaabe4fda9348471c5cbe

            SHA512

            e962c176feb9c403f7e43aa9591ee018ac3b576cd2008492d24bdf760501a740699b70d09937754126d4f600710e5a52b096d1253f32534d79a43727bb39a43a

          • \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

            87c9c61f7797ee9bd454cde0fb486778

            SHA1

            37ecdae9510c832bdab782381a450348f371dfb6

            SHA256

            31238f527777bba71207065fbd6d7fd7ec058990ce67d9af1bd679aafeefdc8c

            SHA512

            4c057fd3afdfdd7282146c0762d31e53c93d502aca6c5c70e41e0b7618128bd791aeee6dcb87c13ef9880ff026b2b72d0446aed013071acf4f0a0458b677a5d2

          • \Windows\SysWOW64\259429990.txt

            Filesize

            49KB

            MD5

            58d188f2a8cc042cd6ed4efed3de946e

            SHA1

            965dea59a704d9ba065803f4bed13e8dadd6c1d1

            SHA256

            5e2d0adf0ee988705242b66ebd2fee13a5957dbd7df16838622ee90796207ef9

            SHA512

            2f0c98ac5fb88530099a4c18ca4041356d9e5ba46e34a87e048e6ffdda25b24c3a64fc074006cb50a66e910c08f977fe9a814c01c197555305c6e0d57eceb62e

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

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2204-23-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2204-24-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2204-21-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2352-64-0x0000000002150000-0x0000000002160000-memory.dmp

            Filesize

            64KB

          • memory/2352-83-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-0-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-63-0x0000000002150000-0x0000000002160000-memory.dmp

            Filesize

            64KB

          • memory/2352-96-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-93-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-74-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-76-0x0000000002150000-0x0000000002160000-memory.dmp

            Filesize

            64KB

          • memory/2352-77-0x0000000002150000-0x0000000002160000-memory.dmp

            Filesize

            64KB

          • memory/2352-80-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-90-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-87-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2352-1-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2828-52-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2828-49-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2828-66-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB