Analysis

  • max time kernel
    105s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:10

General

  • Target

    e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe

  • Size

    528KB

  • MD5

    06e35ddb56bcb14fe99c88491701cd67

  • SHA1

    7a944d09953e22294300b06875b80245ac06fdb8

  • SHA256

    e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753

  • SHA512

    017ef0b41b45bcd13af2f732e9e94be388ddd385cd21bf19ed5e490dfea3e59d46e602850c21c977a04fb11ba43a1faa7df4336fb4727316f3f28b73dc1acf9b

  • SSDEEP

    6144:PlZ/zUMu4pDSxsCMRzf7x3SfS1JAzXBtL76leK2G3wKiawTP2hcXJW:PHLUMuiv9RgfSjAzRty6G3RiaYOUW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe
    "C:\Users\Admin\AppData\Local\Temp\e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe
      "C:\Users\Admin\AppData\Local\Temp\e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:472
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1732
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1732 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:544
      • C:\Windows\svcr.exe
        "C:\Windows\svcr.exe" "C:\Users\Admin\AppData\Local\Temp\e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Windows\svcr.exe
          "C:\Windows\svcr.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:792
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              6⤵
                PID:1980

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\UWZG897D.txt

      Filesize

      603B

      MD5

      32efcd479c4938f2c45d9afaafda2f95

      SHA1

      4fb604a89cbf973d9db822ffd75e0b961a1459fe

      SHA256

      dc8fbd77a299eaede265933bdb2a92c788bb0a6ee31240c072bd5dcf97d370c8

      SHA512

      0c0d69b3c86d06e0880617adf40593dda456f377495220e7c7fd3aa650b5229795a7b2d0277486bc5b50d73623ea89b82920120d44366f03dbb00420484b9ec7

    • C:\Windows\svcr.exe

      Filesize

      528KB

      MD5

      06e35ddb56bcb14fe99c88491701cd67

      SHA1

      7a944d09953e22294300b06875b80245ac06fdb8

      SHA256

      e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753

      SHA512

      017ef0b41b45bcd13af2f732e9e94be388ddd385cd21bf19ed5e490dfea3e59d46e602850c21c977a04fb11ba43a1faa7df4336fb4727316f3f28b73dc1acf9b

    • C:\Windows\svcr.exe

      Filesize

      528KB

      MD5

      06e35ddb56bcb14fe99c88491701cd67

      SHA1

      7a944d09953e22294300b06875b80245ac06fdb8

      SHA256

      e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753

      SHA512

      017ef0b41b45bcd13af2f732e9e94be388ddd385cd21bf19ed5e490dfea3e59d46e602850c21c977a04fb11ba43a1faa7df4336fb4727316f3f28b73dc1acf9b

    • C:\Windows\svcr.exe

      Filesize

      528KB

      MD5

      06e35ddb56bcb14fe99c88491701cd67

      SHA1

      7a944d09953e22294300b06875b80245ac06fdb8

      SHA256

      e6fba9616b1761bf8347eca08f8dc325564dc7ed34e9eb4cdfd0891fe5f21753

      SHA512

      017ef0b41b45bcd13af2f732e9e94be388ddd385cd21bf19ed5e490dfea3e59d46e602850c21c977a04fb11ba43a1faa7df4336fb4727316f3f28b73dc1acf9b

    • memory/572-89-0x0000000000400000-0x00000000004EA000-memory.dmp

      Filesize

      936KB

    • memory/572-71-0x0000000000000000-mapping.dmp

    • memory/792-100-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/792-93-0x0000000010410000-0x000000001042E000-memory.dmp

      Filesize

      120KB

    • memory/792-86-0x00000000004068EC-mapping.dmp

    • memory/1184-67-0x0000000000400000-0x00000000004EA000-memory.dmp

      Filesize

      936KB

    • memory/1184-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

      Filesize

      8KB

    • memory/2020-60-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-70-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-74-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-65-0x00000000004068EC-mapping.dmp

    • memory/2020-64-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-69-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-62-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-61-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-59-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-58-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-56-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2020-55-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB