Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:06

General

  • Target

    e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe

  • Size

    15.8MB

  • MD5

    c89014fafb77d6eaf1e22f769c58752e

  • SHA1

    8cf79dca34f426cd81dec1c350ec05011f1105ff

  • SHA256

    e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc

  • SHA512

    335bcca7b2a8430eb81ac1efa9ce56269d3d381e08a7d57370511f0ca1be6fa745067bfcaaaf9b797838702392bab4d4469f3132277cc50b49ecc173fb37b045

  • SSDEEP

    196608:SKXbeO77eZ+RB9afz4eXAmjEhSgjhz8SlEeoHAIZ4T9tAr2ea3t4ENOJlqbkhJQP:P7v93dzrlBIZI93ea3BN4HJ4tP5Eg

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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
  • 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 9 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe
    "C:\Users\Admin\AppData\Local\Temp\e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3000
    • 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
      PID:3004
    • 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:2136
      • 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:1796
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1800
    • C:\Users\Admin\AppData\Local\Temp\HD_e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe
      C:\Users\Admin\AppData\Local\Temp\HD_e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2840
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1720
    • 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:2852
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259394219.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1524
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2816
      • 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:2644

    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

      9bac7f50b951e8bb8ddc17d44683188a

      SHA1

      08cee3e857571f27ffa3010764cc0d90d6d77d28

      SHA256

      0dca1f28e5a4c8190523ce98284e072f93cda8b71fb69bfabaef51c2fe2c4205

      SHA512

      df7d7e6ba4007488f92dc50b9c786a657fa6d7bcd173e6855dfe77b1855ae54e8cbb07bd070be216d3ddaadfaff56e37554bc6b57ee8b18f37ad0326772be761

    • \Users\Admin\AppData\Local\Temp\HD_e5bd8031511573ce5cdddaf4deeb2ba51a56da6bfb58bb9b22a270343598f7bc.exe

      Filesize

      13.1MB

      MD5

      6bb6dc42341de0c5dcb09ff7618f24a5

      SHA1

      624aa9b6358c11f23d3e7f83d100e414d9eb7867

      SHA256

      c5df3f9d1d8043d702e760761c9283a9226baa196918613edf26d71e83b8ddb8

      SHA512

      c3429d7f409c0dd5f689a58ab01261420ef5ebb40e18ff6c8491901a0d4a3743872894105b807a24c4672b3f7ec3826b781f9ac7733f5531786fc1a2d95060cd

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259394219.txt

      Filesize

      899KB

      MD5

      635111db330b7449c144f729160c52f0

      SHA1

      a860e8dc4e2ba34fab74c7e6a7d6d4775599858c

      SHA256

      0acbbb2bf4f76602607b05340ee50c53fe8159bf720b5d1ab9f26478cb6f12c1

      SHA512

      e8e5444dd377202668b81039875ef03549169d3608fccfbd027a81c4ee4905b987afe227d877de09903d03cddf07ade84cb37b1b540e885d06c6351f0ef22ae5

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2136-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2136-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2136-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2644-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2644-42-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2644-52-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB