Overview

overview

10

Static

static

5

3b54db03ba...7e.exe

windows10-2004-x64

10

3b54db03ba...7e.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    112s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 22:30

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General

  • Target
    3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e.exe
  • Size 1.6MB
  • Sample260712-2er5fabv7x
  • SHA256 3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e.exe
    "C:\Users\Admin\AppData\Local\Temp\3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Monteverdi\murkest.exe
      "C:\Users\Admin\AppData\Local\Temp\3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e.exe"
        3⤵
          PID:5072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 768
          3⤵
          • Program crash
          PID:3608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4136 -ip 4136
      1⤵
        PID:1832

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            murkest.exe
            • Path C:\Users\Admin\AppData\Local\Monteverdi\murkest.exe
            • Size 1.6MB
            • SHA256 3b54db03bae9ce2753459bb8e6951f9aff5c87a0a505c08b288f30e8cc9bf97e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            aut407A.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\aut407A.tmp
            • Size 729KB
            • SHA256 c0c1a8f86def8ab294a5bc75019825f306a46cfe763c06adcc0120d0edcdcd6a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            parachronistic
            • Path C:\Users\Admin\AppData\Local\Temp\parachronistic
            • Size 28KB
            • SHA256 2715309377563348c703fdc8cc5d22520d0b0a6ca6978c1fefef91306cd750b2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4640-8-0x0000000004F90000-0x0000000004F94000-memory.dmp
            Download