Analysis

  • max time kernel
    433s
  • max time network
    438s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250210-en
  • resource tags

    arch:x64arch:x86image:win11-20250210-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-02-2025 19:52

General

  • Target

    data-Setup/data/7za.dll

  • Size

    284KB

  • MD5

    a608e5fb266a10174235da5c6d396769

  • SHA1

    85526701342f9db479578d08a3599cec2e8be321

  • SHA256

    a05490eea8ce1484cd15302c65803414ee7227fcbdf1a1ed2d4243f583f957df

  • SHA512

    9e4f4c45e5be9faa7c754dc646213d3a7eb862b9fade96437f285c7d571b96fc3577e12f3768ae88902c52bda2ac3d1976adc32e7145766ea66c50af303efdd5

  • SSDEEP

    6144:Rm3x2iT42LpOe4+5r7R/nV+yqwBey/M6Yijgzj9Pq7MXJzS/8aN:Rm3x2ik2LF1fIEM6GP9C7MRa

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\data-Setup\data\7za.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\data-Setup\data\7za.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 448
        3⤵
        • Program crash
        PID:4264
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3620 -ip 3620
    1⤵
      PID:4144

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads