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Analysis

  • max time kernel
    140s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 23:30

General

  • Target

    7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe

  • Size

    452KB

  • MD5

    6b2e05f5caa933b3baeb6c086fc1f91f

  • SHA1

    450ef99d4fe7939583488f2a970eba59d6f936d3

  • SHA256

    7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

  • SHA512

    640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

  • SSDEEP

    3072:1+kZqVeInSk82TfatZ9mD5fvNj6kECsjZ:1jaSk8iCtPmD5Hl6ysN

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
    "C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      2⤵
        PID:2256
      • C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
        2⤵
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Users\Admin\E696D64614\winlogon.exe
          "C:\Users\Admin\E696D64614\winlogon.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1608
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\\svchost.exe
            4⤵
              PID:2892
            • C:\Users\Admin\E696D64614\winlogon.exe
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:232
              • C:\Users\Admin\E696D64614\winlogon.exe
                "C:\Users\Admin\E696D64614\winlogon.exe"
                5⤵
                • Executes dropped EXE
                PID:4464
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 12
                  6⤵
                  • Program crash
                  PID:1216
              • C:\Users\Admin\E696D64614\winlogon.exe
                "C:\Users\Admin\E696D64614\winlogon.exe"
                5⤵
                • Executes dropped EXE
                PID:4564
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 12
                  6⤵
                  • Program crash
                  PID:3068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4464 -ip 4464
        1⤵
          PID:1300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4564 -ip 4564
          1⤵
            PID:4636

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\E696D64614\winlogon.exe

            Filesize

            452KB

            MD5

            6b2e05f5caa933b3baeb6c086fc1f91f

            SHA1

            450ef99d4fe7939583488f2a970eba59d6f936d3

            SHA256

            7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

            SHA512

            640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

          • C:\Users\Admin\E696D64614\winlogon.exe

            Filesize

            452KB

            MD5

            6b2e05f5caa933b3baeb6c086fc1f91f

            SHA1

            450ef99d4fe7939583488f2a970eba59d6f936d3

            SHA256

            7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

            SHA512

            640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

          • C:\Users\Admin\E696D64614\winlogon.exe

            Filesize

            452KB

            MD5

            6b2e05f5caa933b3baeb6c086fc1f91f

            SHA1

            450ef99d4fe7939583488f2a970eba59d6f936d3

            SHA256

            7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

            SHA512

            640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

          • C:\Users\Admin\E696D64614\winlogon.exe

            Filesize

            452KB

            MD5

            6b2e05f5caa933b3baeb6c086fc1f91f

            SHA1

            450ef99d4fe7939583488f2a970eba59d6f936d3

            SHA256

            7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

            SHA512

            640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

          • C:\Users\Admin\E696D64614\winlogon.exe

            Filesize

            452KB

            MD5

            6b2e05f5caa933b3baeb6c086fc1f91f

            SHA1

            450ef99d4fe7939583488f2a970eba59d6f936d3

            SHA256

            7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

            SHA512

            640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

          • memory/232-153-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/232-157-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/4368-137-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/4368-136-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/4368-147-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/4368-134-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB