Analysis

  • max time kernel
    98s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 18:22

General

  • Target

    $PLUGINSDIR/StdUtils.dll

  • Size

    99KB

  • MD5

    7abf66bab64e83da7a4da626bc34493a

  • SHA1

    c3adab85d079b75b0c46f6b25fd2a736687624c5

  • SHA256

    cbe5843990076d7cda9fe83aa305d66d3a0ffdcca932ef23114d1b3a491924f9

  • SHA512

    f1beeb7df3e24daa72bdb093ea655d236c601e55f039322676f80c8aace0d39af6fab78be6b6b63e9486473f78dae42a762022f776b55d118c7a20948990dd5e

  • SSDEEP

    1536:Cyy+tHEzQ+FWrw5DXWceSl5c4DBHllBYm:Jy+tv+ocdmceS9dT

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\StdUtils.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 612
        3⤵
        • Program crash
        PID:1884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3100 -ip 3100
    1⤵
      PID:2024

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads