Analysis

  • max time kernel
    91s
  • max time network
    99s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-08-2024 10:04

General

  • Target

    $PLUGINSDIR/libcrypto-1_1.dll

  • Size

    2.1MB

  • MD5

    f2897d414a50674f58a0d1aa19614a20

  • SHA1

    adced986562ed4a4e07fc92aff3d30797e2f83df

  • SHA256

    c4372100431007321e8fb3b41eef740dfe6e1c8a694bea251f9637209d76f207

  • SHA512

    a2760bcbb049e9f336802b9302115659bcae39c376ea05485fa3aa0da9bc695fc910f4c93348d4435d07b8448b6db2492dc3564ee94378be7e3b29dca5577396

  • SSDEEP

    49152:qNQtYgGEnfJG+wVv5kOZK1CPwDv3uF0j6BvFB:6QtVGQwbkqK1CPwDv3uF0j

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\libcrypto-1_1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\libcrypto-1_1.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 496
        3⤵
        • Program crash
        PID:4864
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
    1⤵
      PID:4328

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

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    Downloads