Resubmissions

02/05/2026, 16:16

260502-tq4nlsf17l7

02/05/2026, 16:13

260502-tpblfab12x8

Analysis

  • max time kernel
    598s
  • max time network
    428s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/05/2026, 16:13

General

  • Target
    MonoBleedingEdge/etc/mono/4.5/Browsers/Compat.browser
  • Size 1KB
  • Sample260502-tpblfab12x
  • SHA256 8a1082057ac5681dcd4e9c227ed7fb8eb42ac1618963b5de3b65739dd77e2741
  • MD5 SHA1 SHA512 TLSH
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\MonoBleedingEdge\etc\mono\4.5\Browsers\Compat.browser
    1⤵
    • Modifies registry class
    PID:1176
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4920-0-0x00000200328C0000-0x0000020032C38000-memory.dmp