Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2025, 22:27

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    5KB

  • MD5

    cc0c51f8565916332cdd689e9741de4d

  • SHA1

    aaa24dd0f2e2e4a1e9594e87a7b18c6ec2ed27a7

  • SHA256

    2775dba74bd7494c983fdf4246eea3ae37263f06ad4c4165de2b0a6d1210d85e

  • SHA512

    e902e6cc97035f33a6f0d34fdcd27ba9a7836529d3c2b3edfaf18011077fc3198c6c74df4122095e06552ed2e1ad2e20b1b51a3cf39b9cd138171589b6932585

  • SSDEEP

    96:ZSVdcAWesTaqf98/Pf9RVQuECSUsGorozQrUddV/Esb:Z8qf98H0PURzQrUddV/Tb

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\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 644
        3⤵
        • Program crash
        PID:2108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3440 -ip 3440
    1⤵
      PID:1704

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads