Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2024, 18:50

General

  • Target

    a7a43924532d980d6d514538a61a2c60dcf80ab843835e6c5c6179e4f9eb581f.exe

  • Size

    1.2MB

  • MD5

    6def3ce070b59e28b9a8b4d99b1df5d4

  • SHA1

    6a30877eb97f27a8e37d8f3e71e7157a00803657

  • SHA256

    a7a43924532d980d6d514538a61a2c60dcf80ab843835e6c5c6179e4f9eb581f

  • SHA512

    1d24e060f986476fd7df7988889451dbe7352129c2cc5e4241342c8a5ed041bb8be99729cdef7a16309f8a43ab2a43530c04b089e38b70f9e0f9d55066877716

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiN:WIwgMEuy+inDfp3/XoCw57XYBwKN

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\a7a43924532d980d6d514538a61a2c60dcf80ab843835e6c5c6179e4f9eb581f.exe
    "C:\Users\Admin\AppData\Local\Temp\a7a43924532d980d6d514538a61a2c60dcf80ab843835e6c5c6179e4f9eb581f.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:2508
    • 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:2384
    • 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:1864
    • 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:1852
      • 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:2888
        • 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:2628
    • 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:2672
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2116
    • 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:3000
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259426105.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1840
    • 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:2912
      • 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:2016

    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

            661fb81ecad3aa4fbf4beb694fe578a2

            SHA1

            a15bb601f43a5d7cbfa692bf62953ef6c5991603

            SHA256

            1831d7b600f8a3efddebb0d64088c1bb5b111eac0d58d61ad22707c9d2de4983

            SHA512

            8b1f08c77f4a094844882ee9add8532a691c5141d1536da2d6eeeef6dc42c3dc8cdece4a7721a0dace4c0ea555a716dee6b6aaa0f6474cc2de2885b6427426b9

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

            Filesize

            1.2MB

            MD5

            24fffed25885960983a530d8a22d380e

            SHA1

            8a530df894d383b3574fe0201673858b29476d18

            SHA256

            80cfdf71b2c39b2de0147d8ac3ce4f75408a0d83dc3c8d99824cffb3d7518e73

            SHA512

            a0843aca4775f76a425702c76204576369e96cc7e167e5bb93d990dcb959f0ec0a817ca88085e0206933bf14231a6a420a8df55b7b85df313007829d25297a18

          • \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\259426105.txt

            Filesize

            49KB

            MD5

            ed4b6f82791b03e5a65aebf5c7de58c3

            SHA1

            6df18ad5f0f1f5bd5d0f568cb245ccb44f611841

            SHA256

            9051beab1991cdb2d1c3c03132f0642e28b09b6e0c4925a3445ab0c9020b932f

            SHA512

            72781f91ef29b27369fdfde98d5790adf08e4dc1353d2823f1f9c6f5db51f0e7a76e312e2e8be82f50ca8067b8237e68d8990d25ce055fea6ff68c820ae1b516

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

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/1852-28-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/1852-29-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/1852-26-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2016-53-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2016-57-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2016-49-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2508-74-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-64-0x0000000002140000-0x0000000002150000-memory.dmp

            Filesize

            64KB

          • memory/2508-65-0x0000000002140000-0x0000000002150000-memory.dmp

            Filesize

            64KB

          • memory/2508-0-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-76-0x0000000002140000-0x0000000002150000-memory.dmp

            Filesize

            64KB

          • memory/2508-77-0x0000000002140000-0x0000000002150000-memory.dmp

            Filesize

            64KB

          • memory/2508-80-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-83-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-87-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-1-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-90-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-93-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2508-96-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB