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Analysis

  • max time kernel
    147s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 03:08

General

  • Target

    $SYSDIR/avcodec-lav-53.dll

  • Size

    6.1MB

  • MD5

    b0e35230800d6c0242cbcdb59b8756e8

  • SHA1

    7599be00ed9146a12be932471f94b3f9e89f122c

  • SHA256

    a65265502a0050a8ae7f432a3629c299d5d8d1ebe7118dc8117026e4d3b22970

  • SHA512

    d0751608e7eab4fa61e594ecf43b6a48d7a37f6ec064da691f195b11ee5393bdd89748020b892f2de0717ca05c815d3d474aecc5b8b1b8d2473dc008b9e5cfe3

  • SSDEEP

    196608:YzQpdeTc29Dj5gyoiP34ddi111oz/R26cmne/+Z9lpP7Ilr:Y0pEjY5Ll5lpElr

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\$SYSDIR\avcodec-lav-53.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avcodec-lav-53.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 604
        3⤵
        • Program crash
        PID:884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1716 -ip 1716
    1⤵
      PID:3628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1716-0-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-6-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-7-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-5-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-10-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-13-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-11-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-23-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-25-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-27-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-29-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-34-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-31-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-36-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-35-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-39-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-32-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-42-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-45-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-47-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-48-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-52-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-55-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-56-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-65-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-68-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-71-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-70-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-74-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-76-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-75-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-83-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-92-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-102-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-69-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-72-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-67-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-66-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-64-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-62-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-61-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-63-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-57-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-59-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-58-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-53-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-50-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-46-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-43-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-41-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-40-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-38-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-33-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-26-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-22-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-21-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-20-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-18-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-19-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-17-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-15-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-14-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-12-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-8-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-4-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-2-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-3-0x0000000066C0F000-0x0000000067076000-memory.dmp

      Filesize

      4.4MB

    • memory/1716-1-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-116-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1716-117-0x0000000066C0F000-0x0000000067076000-memory.dmp

      Filesize

      4.4MB