Analysis

  • max time kernel
    438s
  • max time network
    1161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2023, 20:36

General

  • Target

    WinRAR.exe

  • Size

    2.3MB

  • MD5

    0b114fc0f4b6d49f57b3b01dd9ea6a8c

  • SHA1

    23e1480c3ff3a54e712d759e9325d362bf52fabd

  • SHA256

    f0f312fe14599d7379aa247c1d0cc6100db45bfe7f277113134a8157950bcacd

  • SHA512

    e31c3a3da5e72a9d72e245d6e5dcc7c92e4cfcbb6bdbb61061e0586e29f77e8b42a81a0bba99ce45e148a2423907878fb858c40cc1008ef9d90fb8e4e2fcd573

  • SSDEEP

    49152:+Kgfe5aITdK0UFYQrGoGj/uV6hDnwqbvf8WlJzNwui0hBdH30+:V5aRc3FXbquTBpk+

Score
4/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinRAR.exe
    "C:\Users\Admin\AppData\Local\Temp\WinRAR.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2792
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2792 -s 3320
      2⤵
      • Program crash
      PID:1364
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 444 -p 2792 -ip 2792
    1⤵
      PID:4044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2792-41-0x000001CAEF0C0000-0x000001CAEF0E0000-memory.dmp

      Filesize

      128KB