Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 10:46

General

  • Target

    fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe

  • Size

    6.4MB

  • MD5

    b406e415f2696c47bc1d839eb3737f35

  • SHA1

    431eba154967fe5eb667e548f7fd92f521fb697a

  • SHA256

    fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c

  • SHA512

    f6e1694a5f41d26a7b6235937739adfe9c53870e93e898937ab88a30d61ed26d0c411d99b58295d95fa893cf8d21e9deccd174a03f872cd99c84dd03611ffd96

  • SSDEEP

    98304:8ws2ANnKXOaeOgmh4UigPzUYm9uALfprsQ5nQf7UOR:qKXbeO7lsuAde

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe
    "C:\Users\Admin\AppData\Local\Temp\fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:5092
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:720
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3952
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:5072
    • C:\Users\Admin\AppData\Local\Temp\HD_fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe
      C:\Users\Admin\AppData\Local\Temp\HD_fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4728
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3404
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3804
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240612937.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2416
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:4332

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.4MB

      MD5

      bfcf9004ad4b22148a510c018f6a9150

      SHA1

      87afbe7b83d26f17027642b38a64e903c261709f

      SHA256

      bb047d9a5ab85b5114b27b825e508fa7cab53a3e455ac61ef7eb04b39b3b5b03

      SHA512

      b543621d9fa5b1db320472e1bee04d5f1d2446cd096dc5cc468dc2ed72dacbdfd59e84b37a92861aefc0def169dd678b28cbd66bce25e1aa70f6fd56deb29cd8

    • C:\Users\Admin\AppData\Local\Temp\HD_fb5c8215c252ed659e1b7d6487abc0ebf8b0cfe4180604fbe99c3a96546f494c.exe

      Filesize

      4.0MB

      MD5

      cfd2bf041dd7f78948201bc9a90ecf4b

      SHA1

      b916136eabff745a326ea5840b489c66d3b06d63

      SHA256

      8fb722d018d97ee27843f7c655e2e9de99438b11fcf1ba5ea719d8bac2d37301

      SHA512

      22c06aef88f66ce4f281928a61c0c93957c062ec1f0da399ad5868fe1214dc052b8b6b07c15ca7afc3c02474f7ee0c906aab41e694986db0fe0b87dbac94c441

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\240612937.txt

      Filesize

      899KB

      MD5

      89e43f0c87fce1f450044ab1d80978ec

      SHA1

      d38cce194d0ea408381f9bf7e9603fe03bcecf96

      SHA256

      8b1bf008dc45d976b40e8d5773add968b9a9148842309c3431092c18891b52d3

      SHA512

      5171b2f96ecd214cf5225dacdcf59889286c653e057c7e1dfcd8859c755bf87b10d49a6fb8989960d2c3793f0cc65d39d4aa141724197b28d09f91860b9882fa

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/720-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/720-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/720-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/720-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1480-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1480-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1480-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4332-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4332-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4332-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB