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Analysis

  • max time kernel
    137s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2023, 21:13

General

  • Target

    f8825b22a2ce9b0bc71e1e4bd4856e7f.dll

  • Size

    1.0MB

  • MD5

    f8825b22a2ce9b0bc71e1e4bd4856e7f

  • SHA1

    cd9636ec64b182ab32bd812e494d9b9e6adf9976

  • SHA256

    5cce7edf03dcde21fc0330213930edeec1ae4118130cf9d0af2757812980be58

  • SHA512

    ef07c735d3d3754b5364bbd6abf58590747f9e85a1434d2c5a9cc664b5b3f7e2421f28afdd3532b6e3a5f03c8c6e7b99a599abb9baca8355a596fbf51d015387

  • SSDEEP

    24576:DiPtyOE7oU5+Buxi5TFKBDtO24N+ioS8SeCGCD+D:S87Xi5TkHO24N+S8Oy

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8825b22a2ce9b0bc71e1e4bd4856e7f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8825b22a2ce9b0bc71e1e4bd4856e7f.dll,#1
      2⤵
        PID:4068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 880
          3⤵
          • Program crash
          PID:3776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4068 -ip 4068
      1⤵
        PID:3500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4068 -ip 4068
        1⤵
          PID:2076

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4068-0-0x0000000074C10000-0x0000000074E67000-memory.dmp

          Filesize

          2.3MB

        • memory/4068-1-0x0000000074C10000-0x0000000074E67000-memory.dmp

          Filesize

          2.3MB

        • memory/4068-3-0x0000000074C10000-0x0000000074E67000-memory.dmp

          Filesize

          2.3MB