Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2025, 09:29

General

  • Target

    3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe

  • Size

    6.9MB

  • MD5

    d4f77f736f2b00a222a0a66459e347c7

  • SHA1

    4785ce11ee90e1c1abb9ad2d33f00d89e4f660df

  • SHA256

    3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59

  • SHA512

    5be61dfd406bfa3b0ecfd2ff16a8e21155219b78cacace9216a8bc57f31f8a560528c4cfeaecc172f33d50bb862d4121793bea65fd17a704a2d6b1e10a098f6e

  • SSDEEP

    196608:+KXbeO7VmncKlhE9U6476itR+mLPw6lyZY61:T7VVKv647n+YlmY2

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
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 9 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe
    "C:\Users\Admin\AppData\Local\Temp\3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5900
    • 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:5608
    • 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:3572
      • 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:4124
        • 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:4056
    • C:\Users\Admin\AppData\Local\Temp\HD_3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe
      C:\Users\Admin\AppData\Local\Temp\HD_3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:532
      • \??\c:\40e491b434850fefc2\install.exe
        c:\40e491b434850fefc2\.\install.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2416
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1016
    • 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:3640
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240595031.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5284
    • 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:1864
      • 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:5440

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\40e491b434850fefc2\install.res.1033.dll

      Filesize

      85KB

      MD5

      ff6003014eefc9c30abe20e3e1f5fbe8

      SHA1

      4a5bd05f94545f01efc10232385b8fecad300678

      SHA256

      a522c5ea3250cdd538a9ce7b4a06dfd5123e7eb05eef67509f2b975a8e1d3067

      SHA512

      3adc5c705bab7fa7b50517a5eb3301491f5150b56e1088ed436590458e963da204cd1875af75db89742403476a56a94c3f425c05327767bdb4bbee4859667ac2

    • C:\Users\Admin\AppData\Local\Temp\HD_3e8c361167675e7ac80ff53bd2ffd55c722de81455f040db81aaea1240a60b59.exe

      Filesize

      4.3MB

      MD5

      35da2bf2befd998980a495b6f4f55e60

      SHA1

      470640aa4bb7db8e69196b5edb0010933569e98d

      SHA256

      6b3e4c51c6c0e5f68c8a72b497445af3dbf976394cbb62aa23569065c28deeb6

      SHA512

      bf630667c87b8f10ef85b61f2f379d7ce24124618b999babfec8e2df424eb494b8f1bf0977580810dff5124d4dbdec9539ff53e0dc14625c076fa34dfe44e3f2

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

      Filesize

      2.6MB

      MD5

      fc0fd1b8273aea57f3cff4d1097f2ac3

      SHA1

      37b737f5a880e7430ec6297ea5f6bc321addbb03

      SHA256

      94608220d2a6fb4b2055165f292538e990133888ed01bc09f83a2fa1a023cede

      SHA512

      fd85161570983a4d0f3742d4ddb914b5cf6bdab08c9e6553c752218df65546234be3aeacad3c09f0d6b0f47de2880f1ac1dc52e0c6793f363c12dbd115e17f36

    • 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\240595031.txt

      Filesize

      899KB

      MD5

      3f8f0d85b6bb8c842bfb965e7d049fad

      SHA1

      ae9c5de1e218607de8acedf9d87f0399cba11fae

      SHA256

      4041041a650c5b659d5fb7b90f85ba2e0cde533c67b19a2e3e61d273409b47bf

      SHA512

      f2b856e6b42c1266a6ae7e91af3aad99cc9789b24021172365e2ce979b4652e7024aa77584286947cd7eb4981a7f0054e507b68125aa1dbbdefcb4b20280ad11

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\40e491b434850fefc2\globdata.ini

      Filesize

      1KB

      MD5

      0a6b586fabd072bd7382b5e24194eac7

      SHA1

      60e3c7215c1a40fbfb3016d52c2de44592f8ca95

      SHA256

      7912e3fcf2698cf4f8625e563cd8215c6668739cae18bd6f27af2d25bec5c951

      SHA512

      b96b0448e9f0e94a7867b6bb103979e9ef2c0e074bcb85988d450d63de6edcf21dc83bb154aafb7de524af3c3734f0bb1ba649db0408612479322e1aa85be9f4

    • \??\c:\40e491b434850fefc2\install.exe

      Filesize

      547KB

      MD5

      4138c31964fbcb3b7418e086933324c3

      SHA1

      97cc6f58fb064ab6c4a2f02fb665fef77d30532f

      SHA256

      b72056fc3df6f46069294c243fe5006879bf4a9d8eef388369a590ca41745f29

      SHA512

      40cf2f35c3a944fca93d58d66465f0308197f5485381ff07d3065e0f59e94fc3834313068e4e5e5da395413ff2d3d1c3ff6fa050f2256e118972bf21a5643557

    • \??\c:\40e491b434850fefc2\install.ini

      Filesize

      841B

      MD5

      f8f6c0e030cb622f065fe47d61da91d7

      SHA1

      cf6fa99747de8f35c6aea52df234c9c57583baa3

      SHA256

      c16727881c47a40077dc5a1f1ea71cbb28e3f4e156c0ae7074c6d7f5ecece21d

      SHA512

      b70c6d67dac5e6a0dbd17e3bcf570a95914482abad20d0304c02da22231070b4bc887720dbae972bc5066457e1273b68fde0805f1c1791e9466a5ca343485cde

    • \??\c:\40e491b434850fefc2\vc_red.msi

      Filesize

      222KB

      MD5

      7e641e6a0b456271745c20c3bb8a18f9

      SHA1

      ae6cedcb81dc443611a310140ae4671789dbbf3a

      SHA256

      34c5e7d7ea270ee67f92d34843d89603d6d3b6d9ef5247b43ae3c59c909d380d

      SHA512

      f67d6bf69d094edcc93541332f31b326131ff89672edb30fd349def6952ad8bfd07dc2f0ca5967b48a7589eee5b7a14b9a2c1ebe0cba4ae2324f7957090ea903

    • \??\c:\40e491b434850fefc2\vcredist.bmp

      Filesize

      5KB

      MD5

      06fba95313f26e300917c6cea4480890

      SHA1

      31beee44776f114078fc403e405eaa5936c4bc3b

      SHA256

      594884a8006e24ad5b1578cd7c75aca21171bb079ebdc4f6518905bcf2237ba1

      SHA512

      7dca0f1ab5d3fd1ac8755142a7ca4d085bb0c2f12a7272e56159dadfa22da79ec8261815be71b9f5e7c32f6e8121ecb2443060f7db76feaf01eb193200e67dfd

    • memory/1864-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1864-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1864-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3572-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3572-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3572-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3572-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/5440-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/5440-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB