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Analysis

  • max time kernel
    314s
  • max time network
    382s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 14:30

General

  • Target

    859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4.exe

  • Size

    691KB

  • MD5

    cc46071bd7293fd5872d09c3891d92b8

  • SHA1

    6250ed4be651746a52a7ccdda6d47ab20db4128e

  • SHA256

    859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4

  • SHA512

    ae5736f5435a140827d1e1448e9241c2f50527ab1522b49036a2012f2e669a6708c723d9d789b5bf1d73ff2c9a7d3e7c88ba888dde04b495f53e8d96cab66376

  • SSDEEP

    1536:LbnRuEbswtfKxehJN/Ba6gZblpuiv0SvaxyXaCbZZC4+06gjIrCTRknanwujxsfS:LbnRuEYcg+mliy5bdH6MI2TqnOY

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 19 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4.exe
    "C:\Users\Admin\AppData\Local\Temp\859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3488
      • C:\Users\Admin\AppData\Local\Temp\859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4.exe
        2⤵
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4580
        • 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:1088
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:1836
            • C:\Users\Admin\E696D64614\winlogon.exe
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3604
              • C:\Users\Admin\E696D64614\winlogon.exe
                "C:\Users\Admin\E696D64614\winlogon.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetWindowsHookEx
                PID:3388

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        Filesize

        691KB

        MD5

        cc46071bd7293fd5872d09c3891d92b8

        SHA1

        6250ed4be651746a52a7ccdda6d47ab20db4128e

        SHA256

        859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4

        SHA512

        ae5736f5435a140827d1e1448e9241c2f50527ab1522b49036a2012f2e669a6708c723d9d789b5bf1d73ff2c9a7d3e7c88ba888dde04b495f53e8d96cab66376

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

        Filesize

        691KB

        MD5

        cc46071bd7293fd5872d09c3891d92b8

        SHA1

        6250ed4be651746a52a7ccdda6d47ab20db4128e

        SHA256

        859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4

        SHA512

        ae5736f5435a140827d1e1448e9241c2f50527ab1522b49036a2012f2e669a6708c723d9d789b5bf1d73ff2c9a7d3e7c88ba888dde04b495f53e8d96cab66376

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

        Filesize

        691KB

        MD5

        cc46071bd7293fd5872d09c3891d92b8

        SHA1

        6250ed4be651746a52a7ccdda6d47ab20db4128e

        SHA256

        859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4

        SHA512

        ae5736f5435a140827d1e1448e9241c2f50527ab1522b49036a2012f2e669a6708c723d9d789b5bf1d73ff2c9a7d3e7c88ba888dde04b495f53e8d96cab66376

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

        Filesize

        691KB

        MD5

        cc46071bd7293fd5872d09c3891d92b8

        SHA1

        6250ed4be651746a52a7ccdda6d47ab20db4128e

        SHA256

        859e551058a3035f32e79adf5d217aca6df23cdec4b7498bff491a1d351626a4

        SHA512

        ae5736f5435a140827d1e1448e9241c2f50527ab1522b49036a2012f2e669a6708c723d9d789b5bf1d73ff2c9a7d3e7c88ba888dde04b495f53e8d96cab66376

      • memory/1088-153-0x00000000004D0000-0x000000000050B000-memory.dmp

        Filesize

        236KB

      • memory/3388-165-0x0000000000400000-0x0000000000443000-memory.dmp

        Filesize

        268KB

      • memory/3388-161-0x0000000000400000-0x0000000000443000-memory.dmp

        Filesize

        268KB

      • memory/3388-164-0x0000000000400000-0x0000000000443000-memory.dmp

        Filesize

        268KB

      • memory/3388-168-0x0000000000400000-0x0000000000443000-memory.dmp

        Filesize

        268KB

      • memory/3604-159-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/3604-154-0x00000000004D0000-0x000000000050B000-memory.dmp

        Filesize

        236KB

      • memory/4560-132-0x0000000000E20000-0x0000000000E5B000-memory.dmp

        Filesize

        236KB

      • memory/4560-137-0x0000000000E20000-0x0000000000E5B000-memory.dmp

        Filesize

        236KB

      • memory/4580-149-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/4580-143-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/4580-142-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/4580-139-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/4580-138-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/4580-135-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB