Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 11:40

General

  • Target
    175f51a9573591fcef1cfe86c8c56e9a.dll
  • Size 23KB
  • Sample231230-ns7kdsabdr
  • SHA256 9ebeef8be72c8139ac8483c5af83f898bdc19584c6225dd78b607c9fea214927
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\175f51a9573591fcef1cfe86c8c56e9a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\175f51a9573591fcef1cfe86c8c56e9a.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 196
        3⤵
        • Program crash
        PID:4896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 676
        3⤵
        • Program crash
        PID:4704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 656
        3⤵
        • Program crash
        PID:448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3672 -ip 3672
    1⤵
      PID:3988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3672 -ip 3672
      1⤵
        PID:536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3672 -ip 3672
        1⤵
          PID:2404

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              lac_log.txt

              • Path C:\Users\Admin\AppData\Local\Temp\lac_log.txt
              • Size 1KB
              • SHA256 34262364e2d9ae776913694200e3350409086df2a952ca51c996913c07b3582a
              • MD5 SHA1 SHA512

              memory/3672-0-0x0000000010000000-0x0000000010010000-memory.dmp

              memory/3672-50-0x00000000774F2000-0x00000000774F3000-memory.dmp

              memory/3672-53-0x0000000010000000-0x0000000010010000-memory.dmp