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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2024, 07:20

General

  • Target

    9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe

  • Size

    2.6MB

  • MD5

    fc9c004c36e7113a5b404148092d9d22

  • SHA1

    f57d116254bc87eea2d2de564de6e8ca03762360

  • SHA256

    9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d

  • SHA512

    f7f271ff72ad00bab371d0a0538034d9eed9ea01301da758094aa18ca212189a1c99a953c5550965dc9a2a96e1bba5006609e085aeeaee2d2ea9cef3353d4c61

  • SSDEEP

    49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuI:pws2ANnKXOaeOgmhI1BTuI

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.

  • 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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 10 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe
    "C:\Users\Admin\AppData\Local\Temp\9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.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:3972
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2888
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3016
        • 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:4052
    • C:\Users\Admin\AppData\Local\Temp\HD_9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3888
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3568
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240632078.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4440
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4904
      • 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:2076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_9034f1793dbf20ed6d7b5a35eb7ef3f26eae6d4d634a30d45946db67a05f2d3d.exe

      Filesize

      18KB

      MD5

      b0b05e73640059fe3bd4449bd74a991e

      SHA1

      db32c421949a1b036f82167d4d7689ec4e1db2d0

      SHA256

      3762e81867b4194984c935d57065c932ffc01ce2cc17ff015916b8b5cc0e1ed0

      SHA512

      115e4411d0e7412dd7e7167b3aac6602018ece83c43818be06ef36d0719de43f1cc9bb65cc25fde8f84b5950633a0f36792195df15cd86e8ff1a79047e749e3d

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

      Filesize

      2.6MB

      MD5

      97958c76750221e2953392782e393c54

      SHA1

      125961f3d7ba5404792478b929e331a3188c0e42

      SHA256

      93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

      SHA512

      2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

    • 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\240632078.txt

      Filesize

      899KB

      MD5

      59c3938771960c3c2ebe6de128946411

      SHA1

      d341d3ed4620c541432de1773ff9371386eef85a

      SHA256

      47595b9874ed0b0ce40384dc58197c0726b703db54895f1f5b7a74b71e64c30c

      SHA512

      37f372eb6cd036114c60b7a4c0763221c5ae8450104ec585edb4f1ed535922b2ba5ce030848f7d9587c8b63e80b06d81425d376898ff20e06c9cb04c84cab578

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/2076-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2076-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2076-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2888-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4904-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4904-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4904-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB