Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 14:25

General

  • Target

    39c1cbd78cd251c3e0518ca99ff599f0.dll

  • Size

    10KB

  • MD5

    39c1cbd78cd251c3e0518ca99ff599f0

  • SHA1

    db08c58a737e52ffada393d354eaa6ff51d6a0a9

  • SHA256

    66b7669750ea11f7f97c623915c45d6f18a6a1d6e0fe5c5bb4b34a4348939ac5

  • SHA512

    bc43056b71908c3143c12d90e541d1b7d2777eb3bfaac3100e49891ea78c454cec946daf8a60734e339747d479171006b560d48447bdbbd8cc83fc950a12e851

  • SSDEEP

    192:GEt2sMb0X4UIGQencM8NtNvEwUsu7fqBJyzT/6NW3WLSjW:GEMs2fUIGQencM8tj2rGJy/VR

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 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\39c1cbd78cd251c3e0518ca99ff599f0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39c1cbd78cd251c3e0518ca99ff599f0.dll,#1
      2⤵
        PID:1028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 596
          3⤵
          • Program crash
          PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1028 -ip 1028
      1⤵
        PID:1792

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/1028-0-0x0000000010000000-0x0000000010010000-memory.dmp

              Filesize

              64KB