Analysis

  • max time kernel
    149s
  • max time network
    163s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 03:47

General

  • Target
    $PLUGINSDIR/libcurl_x86.dll
  • Size 2.3MB
  • Sample260424-echrnad17s
  • SHA256 1c7209e7deda32d3595bbf0ce1e165f3289c1e4bd25d1658e73c7b633cbc1766
  • MD5 SHA1 SHA512 SSDEEP TLSH
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 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\libcurl_x86.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\libcurl_x86.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3676
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 504
        3⤵
        • Program crash
        PID:2292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3676 -ip 3676
    1⤵
      PID:396

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3676-0-0x00000000021C0000-0x000000000223C000-memory.dmp