Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 12:24

General

  • Target
    bin/cnvtoc.dll
  • Size 89KB
  • Sample260420-pldjeah14l
  • SHA256 2109014d425366152d32b13bcc448cb369d81b3a3ad17b0be0cf7d6f019f49bd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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.

  • Modifies registry class 4 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bin\cnvtoc.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\bin\cnvtoc.dll
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/1392-1-0x00000000022B0000-0x0000000002605000-memory.dmp

        memory/2444-0-0x00000000004E0000-0x00000000005C3000-memory.dmp