Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 13:41

General

  • Target

    8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe

  • Size

    1.4MB

  • MD5

    baf24ad6e9cdf465368546b37bec7feb

  • SHA1

    74452619896ebd654bb1c2c501de9a0bf8266056

  • SHA256

    8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

  • SHA512

    5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

  • SSDEEP

    3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • UPX packed file 5 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\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
    "C:\Users\Admin\AppData\Local\Temp\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      2⤵
        PID:360
      • C:\Users\Admin\AppData\Local\Temp\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
        2⤵
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1500
        • 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:4884
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\\svchost.exe
            4⤵
              PID:4872
            • C:\Users\Admin\E696D64614\winlogon.exe
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4952
              • C:\Users\Admin\E696D64614\winlogon.exe
                "C:\Users\Admin\E696D64614\winlogon.exe"
                5⤵
                • Executes dropped EXE
                PID:2064
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 12
                  6⤵
                  • Program crash
                  PID:3624
              • C:\Users\Admin\E696D64614\winlogon.exe
                "C:\Users\Admin\E696D64614\winlogon.exe"
                5⤵
                • Executes dropped EXE
                PID:4448
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 12
                  6⤵
                  • Program crash
                  PID:976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
        1⤵
          PID:4804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
          1⤵
            PID:4288

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1.4MB

            MD5

            baf24ad6e9cdf465368546b37bec7feb

            SHA1

            74452619896ebd654bb1c2c501de9a0bf8266056

            SHA256

            8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

            SHA512

            5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

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

            Filesize

            1.4MB

            MD5

            baf24ad6e9cdf465368546b37bec7feb

            SHA1

            74452619896ebd654bb1c2c501de9a0bf8266056

            SHA256

            8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

            SHA512

            5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

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

            Filesize

            1.4MB

            MD5

            baf24ad6e9cdf465368546b37bec7feb

            SHA1

            74452619896ebd654bb1c2c501de9a0bf8266056

            SHA256

            8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

            SHA512

            5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

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

            Filesize

            1.4MB

            MD5

            baf24ad6e9cdf465368546b37bec7feb

            SHA1

            74452619896ebd654bb1c2c501de9a0bf8266056

            SHA256

            8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

            SHA512

            5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

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

            Filesize

            1.4MB

            MD5

            baf24ad6e9cdf465368546b37bec7feb

            SHA1

            74452619896ebd654bb1c2c501de9a0bf8266056

            SHA256

            8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

            SHA512

            5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

          • memory/360-132-0x0000000000000000-mapping.dmp

          • memory/1500-133-0x0000000000000000-mapping.dmp

          • memory/1500-134-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/1500-136-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/1500-137-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/1500-144-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB

          • memory/2064-153-0x0000000000000000-mapping.dmp

          • memory/4448-157-0x0000000000000000-mapping.dmp

          • memory/4872-143-0x0000000000000000-mapping.dmp

          • memory/4884-140-0x0000000000000000-mapping.dmp

          • memory/4952-145-0x0000000000000000-mapping.dmp

          • memory/4952-156-0x0000000000400000-0x000000000041C000-memory.dmp

            Filesize

            112KB