Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 22:53

General

  • Target
    tmprl1muxcx.exe
  • Size 338KB
  • Sample260511-2ty7asbt9z
  • SHA256 48658345a687ee209e1c91ddb669ca09474de441232b4b538d611e4544169dcd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: CryptoLocker

    Ransomware family with multiple variants.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmprl1muxcx.exe
    "C:\Users\Admin\AppData\Local\Temp\tmprl1muxcx.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5480
    • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
      "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\tmprl1muxcx.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
        "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w0000021C
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4520
  • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {34184A33-0407-212E-3320-09040709E2C2}.exe

        • Path C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
        • Size 338KB
        • SHA256 48658345a687ee209e1c91ddb669ca09474de441232b4b538d611e4544169dcd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2960-12-0x00000000031E0000-0x0000000003276000-memory.dmp

        memory/3392-6-0x00000000006B0000-0x0000000000707000-memory.dmp

        memory/3392-13-0x0000000002F70000-0x0000000003006000-memory.dmp

        memory/4520-14-0x0000000003100000-0x0000000003196000-memory.dmp

        memory/5480-0-0x0000000000AA0000-0x0000000000AF7000-memory.dmp

        memory/5480-7-0x0000000002650000-0x00000000026E6000-memory.dmp