Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25/06/2024, 16:49

General

  • Target

    499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe

  • Size

    4.8MB

  • MD5

    d1268f2abd501a88014ed6fcf1521e82

  • SHA1

    708471dc35ad187f9ffc51b892cc0ef485126e36

  • SHA256

    499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737

  • SHA512

    61a4f4b8bc752432ddbef817abd1eeaaa688fc976d46246bed27ad72da48cd1a512308bedb733186cd56fb256090762057339f1c896686065697567a8c3acdbf

  • SSDEEP

    49152:H09XJt4HIN2H2tFvduyStgnbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:UZJt4HINy2LkWnbXsPN5kiQaZ56

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

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

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe
    "C:\Users\Admin\AppData\Local\Temp\499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2668
      • 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\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2508
    • C:\Users\Admin\AppData\Local\Temp\HD_499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe
      C:\Users\Admin\AppData\Local\Temp\HD_499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe
      2⤵
      • Executes dropped EXE
      PID:2516
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:1220

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

          Filesize

          1.7MB

          MD5

          83b5bbed788400c16f531af6b501e1ef

          SHA1

          325beffa4671232bee7e47b3f3b9f72394602473

          SHA256

          f6811c14ae02b57900d2a6683e4e92d5d91330ca5de3cbe2405cb0896ee63814

          SHA512

          b84900778f529363210d4f894afcab3a755079d4b321a3e6eca4876dbc0b79b4c84d32230786c6336bf10c22e4be9082344023bbb573b3fa54a2fd254da24f65

        • C:\Users\Admin\AppData\Local\Temp\RVN.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • \Users\Admin\AppData\Local\Temp\HD_499a4291889b001216fea535d2162543d1ec88c729733f24a8e0b20b66cb0737.exe

          Filesize

          3.1MB

          MD5

          fb083acd60fe5c3156dc25442be815e3

          SHA1

          61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

          SHA256

          f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

          SHA512

          7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

        • memory/1220-35-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-29-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-30-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-39-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/1220-41-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2620-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2620-25-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2668-19-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2668-12-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2668-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2668-5-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB