Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 00:10

General

  • Target

    Codecs/CoreAVC.dll

  • Size

    372KB

  • MD5

    7a03e8376a5650333ea9fd595ecd802c

  • SHA1

    6b01321dd7a11de431805b497884db56f380d60a

  • SHA256

    d1977f2c9125540639ff08226e88c413fd417190d3e076390d3a1f1c1a9e5ebf

  • SHA512

    36b8c6cf606d187079bb54d20a13601ad231a3cad092691f4257abec1393c160973a926d5044083f1c18d959c7ed6ac6fc7a6c592fb91b762adb14da6fefe36d

  • SSDEEP

    6144:FcVG5Sslel+3zTWCP+xBE5gKlEpIyUzvlvah1MTuAyZ81yhjtmGRf8UQjCgod:wG532+3zTWCP+TE5gy+Iy2NabKTyK1cb

Score
5/10

Malware Config

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\CoreAVC.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\Codecs\CoreAVC.dll
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2480-0-0x0000000075290000-0x000000007547F000-memory.dmp

    Filesize

    1.9MB

  • memory/2480-2-0x000000007547C000-0x000000007547D000-memory.dmp

    Filesize

    4KB

  • memory/2480-1-0x0000000000600000-0x0000000000603000-memory.dmp

    Filesize

    12KB

  • memory/2480-7-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/2480-8-0x0000000000600000-0x0000000000603000-memory.dmp

    Filesize

    12KB

  • memory/2480-4-0x0000000075290000-0x000000007547F000-memory.dmp

    Filesize

    1.9MB