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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2025, 18:33

General

  • Target

    $PLUGINSDIR/nsisdk.dll

  • Size

    28KB

  • MD5

    deb4db1ff057906c96e6f949e5862508

  • SHA1

    495c8703a43826df4ac8de20efbbeebcd5263c13

  • SHA256

    fc7ab6a88fe725de19804931655f6c61d4072495ebb1ddb73ddfac0dca7d0d1e

  • SHA512

    b37348d57d774b66afd192c0d2cb95c261ea4b75874190fd4809249cfea5500eaa0d9ad09af2afe83904b29539796440663d6e916362acf9c21894809ea32d46

  • SSDEEP

    384:Snw9iuDIPi/ij7m+1I+rqZTYmZLb/BLbyrDzbgVIdHk0iVqeyf/zBx+HUTRv:Sw1DSi/ija+1IHZzOzbgV+E0teyjG0

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdk.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdk.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 600
        3⤵
        • Program crash
        PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5112 -ip 5112
    1⤵
      PID:2872

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/5112-0-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB