Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 21:53

General

  • Target

    npvlc.dll

  • Size

    300KB

  • MD5

    3f9f8e0f93d6fa7b7552077a3df171de

  • SHA1

    ef222eeee66972e16b8b3d7395a53893c6690d47

  • SHA256

    d7c9c4f679fc691c20bdee09b6f6fe79bb4ae29af562e3bcc2a6f64f5af5a8ef

  • SHA512

    ffe25b19cd19b02ea96bc4e096997a8d446f28006accd67c2b575d316827f8e5ea614568124ea1a2059f8140040b4a3a1577f015b227bd70c2fccb2fd9693e4c

  • SSDEEP

    6144:TiNfZfqSRsBtfgi4VTP75l8p4BHbxc3UPS6qmraBCDorABD:TiNxfqSeB1gvlP752gbjqmraBg

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\npvlc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\npvlc.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 240
        3⤵
        • Program crash
        PID:264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/536-0-0x0000000074D70000-0x0000000074DC1000-memory.dmp

    Filesize

    324KB

  • memory/536-1-0x0000000074E00000-0x0000000074E22000-memory.dmp

    Filesize

    136KB

  • memory/536-2-0x0000000074B30000-0x0000000074D65000-memory.dmp

    Filesize

    2.2MB