Analysis

  • max time kernel
    104s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2025, 17:56

General

  • Target

    $TEMP/msvcp100.dll

  • Size

    411KB

  • MD5

    a10dbeb1816d71a93e71fe8e6de97e59

  • SHA1

    82e0e4b59128bee09168e09db7f7a48df968a311

  • SHA256

    7b69772ab50ece6ea6ba2115ca08dc8f24065bf19494860e383894ca762d32d8

  • SHA512

    f5e3e0d304de1ea2c9a56306eca5b171368a5938c8aa6cc02c6d51447ca7f7c3de9aac582908fd80ffa7d4a634c0c6b91ac4d3ebc70f6013f73f840346a1021e

  • SSDEEP

    12288:2eb8zxr1aWPaHX7dGP5frhUgiW6QR7t5qv3Ooc8UHkC2e7y:2eb8Fpa6aHX7dGP5Gv3Ooc8UHkC2ee

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\$TEMP\msvcp100.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\msvcp100.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 604
        3⤵
        • Program crash
        PID:5960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 2364
    1⤵
      PID:6068

    Network

          MITRE ATT&CK Enterprise v16

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