Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2023, 06:40

General

  • Target

    f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe

  • Size

    14.7MB

  • MD5

    6c47ddefd1031ac2c23e77252001b8a7

  • SHA1

    d8232eb16d31cc015f2214a309a2f0565a2ff75e

  • SHA256

    f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e

  • SHA512

    65eb5b692feb6149dcb3906494aebfa7af7801fce0619654caf1591edd534e9888a611646754633fbb8f4b9c570900fd5feacfeaedc5c6a2aef477cae955c6ea

  • SSDEEP

    196608:QKXbeO71v5w5spBVWCZu5FcqSUwHyts+VWIeBQMXwD2WEUZBLDrUlixqE3VEdZoq:p712spBV25hwr+VElgDlDw6EdZoFBPq

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 14 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 12 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe
    "C:\Users\Admin\AppData\Local\Temp\f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • 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:3588
    • 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:3740
      • 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:3464
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2176
    • C:\Users\Admin\AppData\Local\Temp\HD_f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:868
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3412
    • 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:1100
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240649890.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:412
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4316
      • 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:2452

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.6MB

      MD5

      f6663fb176f10211c500777dc68a7b15

      SHA1

      401cb06a5d4d8d701af86a9afc70d4a82cf05e40

      SHA256

      4dc046d10619bdf0aa81d0704091a2ad40dddb49ab8841a78f58ebbda0461fe9

      SHA512

      5fc8df37e06d5275c7af643052ec6ec5e007faf95025fde377a927edc945f720bfc6105ab9359e4d933183ef889533f4c3753fc52482c7a038a9d8be7c3aa505

    • C:\Users\Admin\AppData\Local\Temp\HD_f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe

      Filesize

      12.1MB

      MD5

      8af669fa270ba8bd25a5991fd8e3bde8

      SHA1

      c530cc502f4570b230d3927789b5ee4d6569f11c

      SHA256

      bdc63202fe8edcb76f518e076595699e27ef884f0f39b07213ab2e79b7c14b7e

      SHA512

      a199cf8b666d659b7b574ca95176cde3c7db4c8c6dd7cb76055e0a58fabeff40512f898c59e75e8ce20ce65f204189b59d60045c83c5ad6612eaf00a5e8dc69f

    • C:\Users\Admin\AppData\Local\Temp\HD_f43088f3ba37cb762b2f88bd1adb32680cdc6db7a0b6a2576e6b613ce59eed1e.exe

      Filesize

      12.1MB

      MD5

      8af669fa270ba8bd25a5991fd8e3bde8

      SHA1

      c530cc502f4570b230d3927789b5ee4d6569f11c

      SHA256

      bdc63202fe8edcb76f518e076595699e27ef884f0f39b07213ab2e79b7c14b7e

      SHA512

      a199cf8b666d659b7b574ca95176cde3c7db4c8c6dd7cb76055e0a58fabeff40512f898c59e75e8ce20ce65f204189b59d60045c83c5ad6612eaf00a5e8dc69f

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\240649890.txt

      Filesize

      899KB

      MD5

      8a77dff2826e719daef33266f043162b

      SHA1

      e84e723cb637cc6cd6d5b1e8aeef0ff6e1c1abb2

      SHA256

      aaa477acdf663d7b88502df598e70136dd36754c946b7e1e3f6e8a7ade5c6728

      SHA512

      0cb6b877e23aefab469682b1dc4736ae4295fc7d1a98e934015e67188a9766070fa23684ea3351fe4b454ff55b8a69cb24dae40b48fbbd20da2dae868e1c2ed5

    • C:\Windows\SysWOW64\240649890.txt

      Filesize

      899KB

      MD5

      8a77dff2826e719daef33266f043162b

      SHA1

      e84e723cb637cc6cd6d5b1e8aeef0ff6e1c1abb2

      SHA256

      aaa477acdf663d7b88502df598e70136dd36754c946b7e1e3f6e8a7ade5c6728

      SHA512

      0cb6b877e23aefab469682b1dc4736ae4295fc7d1a98e934015e67188a9766070fa23684ea3351fe4b454ff55b8a69cb24dae40b48fbbd20da2dae868e1c2ed5

    • C:\Windows\SysWOW64\240649890.txt

      Filesize

      899KB

      MD5

      8a77dff2826e719daef33266f043162b

      SHA1

      e84e723cb637cc6cd6d5b1e8aeef0ff6e1c1abb2

      SHA256

      aaa477acdf663d7b88502df598e70136dd36754c946b7e1e3f6e8a7ade5c6728

      SHA512

      0cb6b877e23aefab469682b1dc4736ae4295fc7d1a98e934015e67188a9766070fa23684ea3351fe4b454ff55b8a69cb24dae40b48fbbd20da2dae868e1c2ed5

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\TXPlatfor.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • C:\Windows\SysWOW64\TXPlatfor.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • C:\Windows\SysWOW64\TXPlatfor.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \??\c:\windows\SysWOW64\240649890.txt

      Filesize

      899KB

      MD5

      8a77dff2826e719daef33266f043162b

      SHA1

      e84e723cb637cc6cd6d5b1e8aeef0ff6e1c1abb2

      SHA256

      aaa477acdf663d7b88502df598e70136dd36754c946b7e1e3f6e8a7ade5c6728

      SHA512

      0cb6b877e23aefab469682b1dc4736ae4295fc7d1a98e934015e67188a9766070fa23684ea3351fe4b454ff55b8a69cb24dae40b48fbbd20da2dae868e1c2ed5

    • memory/2452-180-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2452-178-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2452-176-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3740-150-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3740-164-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3740-153-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3740-154-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4316-167-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4316-161-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4316-163-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4316-162-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4316-159-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB