Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:33

General

  • Target

    1fbeea90a5cd6e64080fb9ae546f79d837d713c28d3ba2da90bc082bbe2a2c48.exe

  • Size

    1.2MB

  • MD5

    ec9be743c200e284ee8f6a864416dd27

  • SHA1

    b895c6d1996bb07b6991ceb41d5f7b41f12d49e6

  • SHA256

    1fbeea90a5cd6e64080fb9ae546f79d837d713c28d3ba2da90bc082bbe2a2c48

  • SHA512

    503fc9b3016e6eeea24ce2b9d9b5e600bced82647e0e5e11844c55c6f6b98560f4c6db804ab7af3a13369d1e68e08153967d9e82db33632e8706cdb03994b042

  • SSDEEP

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

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 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 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 11 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 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fbeea90a5cd6e64080fb9ae546f79d837d713c28d3ba2da90bc082bbe2a2c48.exe
    "C:\Users\Admin\AppData\Local\Temp\1fbeea90a5cd6e64080fb9ae546f79d837d713c28d3ba2da90bc082bbe2a2c48.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:2448
    • 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:2772
    • 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:2628
    • 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:2780
      • 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:2068
        • 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:2148
    • 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:1104
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2800
    • 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:2784
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259476431.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1868
    • 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:2636
      • 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:2888

    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

      9526f5cef9fc9b418a895f863cad2959

      SHA1

      b03994370b0386c5f3949937ecfc3ae7387ec7e1

      SHA256

      02697d19f7047fafc353c1514aa487793b30ab7df4b67fb03978aa2c096e61f5

      SHA512

      166507547765d8ccf539d7089f50b2e13ed0b90f26579d0cb85038d56860f8c9dd511d4a8c4b2b70dd829c6a41c223c94c451fb5b36a7dc0076ed83e7a1830c3

    • \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

      a0ff8aa87f2ed8d481bb912127efb9ea

      SHA1

      c8b87d87566e8dfb2cf17b19db3aae338bcf3300

      SHA256

      02a3320f6bdaa1e8ec8adf53690fcda419e1e26bc0dfeefee786b0a98bc12cb0

      SHA512

      d1e847dc38afc50a3765a6700123a99115680982972cee287774b27ca2150360b58934c58416743450f523aaf4a73a4a20840f381771fc81c5b62aa71128d77f

    • \Windows\SysWOW64\259476431.txt

      Filesize

      49KB

      MD5

      5396940b4e10316f8f1a4272e97c9d7e

      SHA1

      088f0c0100051f119f307c9da721742351fd42fa

      SHA256

      da5e43b9c2f09b0542e246606f4b15836b4048eff99119d805450ecdce8c19e0

      SHA512

      dd633053a60d7d4de892c86d0ff6ab74eef50addf9e8d7ce51127c2b22ce8ddcdd188c7d73a8e9801e67269dafd1368ef213b9000ab48390eb65ef410574f32b

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2448-78-0x00000000008A0000-0x00000000008B0000-memory.dmp

      Filesize

      64KB

    • memory/2448-79-0x00000000008A0000-0x00000000008B0000-memory.dmp

      Filesize

      64KB

    • memory/2448-99-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-95-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-92-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-1-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-89-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-85-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-82-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-66-0x00000000008A0000-0x00000000008B0000-memory.dmp

      Filesize

      64KB

    • memory/2448-65-0x00000000008A0000-0x00000000008B0000-memory.dmp

      Filesize

      64KB

    • memory/2448-0-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2448-76-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/2780-21-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2780-24-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2780-23-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-41-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-56-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-53-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-49-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-44-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-45-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB