Analysis

  • max time kernel
    144s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 08:31

General

  • Target

    5ffcd90e30a903c9bc27fad8390325d3.exe

  • Size

    893KB

  • MD5

    5ffcd90e30a903c9bc27fad8390325d3

  • SHA1

    ef10c916ea63fb3dd09c974954f7486e652c0c46

  • SHA256

    43739b58b7db0849592610c7d29404ca0b4e7358af258df643f698270a3e8997

  • SHA512

    fa1af37753df49e472def448efcfed63e32b5266442c0d0743488a747583e5e356bb9d2ade76ec4767be4d159e9e6d8f4d972b467b29837bc1e8c5a149919e32

  • SSDEEP

    24576:9YY2DlN2D32DCiF60bSQVXRtsY9lcnCxeggEZh:WRkaedQVXXsLCx5fh

Score
7/10
upx

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • UPX packed file 10 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ffcd90e30a903c9bc27fad8390325d3.exe
    "C:\Users\Admin\AppData\Local\Temp\5ffcd90e30a903c9bc27fad8390325d3.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\5ffcd90e30a903c9bc27fad8390325d3.exe
      C:\Users\Admin\AppData\Local\Temp\5ffcd90e30a903c9bc27fad8390325d3.exe
      2⤵
        PID:2452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 80
          3⤵
          • Program crash
          PID:4052
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 664
          2⤵
          • Program crash
          PID:3604
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          2⤵
            PID:2028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2452 -ip 2452
          1⤵
            PID:2456
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2704 -ip 2704
            1⤵
              PID:3192

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2704-4-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-6-0x000000002EED0000-0x000000002EF08000-memory.dmp

              Filesize

              224KB

            • memory/2704-9-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-8-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-14-0x000000002F1D0000-0x000000002F1D1000-memory.dmp

              Filesize

              4KB

            • memory/2704-15-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-13-0x000000002F1F0000-0x000000002F1F1000-memory.dmp

              Filesize

              4KB

            • memory/2704-12-0x000000002F1E0000-0x000000002F1E1000-memory.dmp

              Filesize

              4KB

            • memory/2704-11-0x000000002F1B0000-0x000000002F1B1000-memory.dmp

              Filesize

              4KB

            • memory/2704-10-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-7-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-5-0x000000002EED0000-0x000000002EF08000-memory.dmp

              Filesize

              224KB

            • memory/2704-3-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-2-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-18-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-19-0x0000000076F70000-0x0000000077110000-memory.dmp

              Filesize

              1.6MB

            • memory/2704-17-0x0000000076F70000-0x0000000077110000-memory.dmp

              Filesize

              1.6MB

            • memory/2704-1-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-0-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-21-0x000000002EED0000-0x000000002EF08000-memory.dmp

              Filesize

              224KB

            • memory/2704-20-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB

            • memory/2704-25-0x00000000760B0000-0x00000000761A0000-memory.dmp

              Filesize

              960KB

            • memory/2704-26-0x0000000076F70000-0x0000000077110000-memory.dmp

              Filesize

              1.6MB

            • memory/2704-22-0x000000002D160000-0x000000002D171000-memory.dmp

              Filesize

              68KB