Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/05/2026, 23:42

General

  • Target
    2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 3.2MB
  • Sample260506-3p3vcsby31
  • SHA256 e80993541022ee0cf6b6d5ad227a708a6aa10776b8e25be044f1b2698c479d00
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\398E.tmp\398F.bat C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2620
        • C:\Windows\system32\xcopy.exe
          xcopy ".\*" "C:\Windows\" /y /q /h /s /e /k
          4⤵
          • Drops file in Windows directory
          PID:1840
        • C:\Windows\system32\cmd.exe
          cmd /c "timeout /t 2 >nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe" & if exist "C:\Windows\remote.exe" del /f /q "C:\Windows\remote.exe" & exit"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Windows\system32\timeout.exe
            timeout /t 2
            5⤵
            • Delays execution with timeout.exe
            PID:4940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        398F.bat

        • Path C:\Users\Admin\AppData\Local\Temp\398E.tmp\398F.bat
        • Size 1KB
        • SHA256 f147059b62e019b2d4c7e8494fe1085154de7b9569f6bd65505acfbf59a36808
        • MD5 SHA1 SHA512 TLSH

        2121.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\2121.exe
        • Size 3.1MB
        • SHA256 34199049b5cd19c8966fbf550fdb6319a6726068c8ee98de5b3b1df049bd0cfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        367.Exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\367.Exe
        • Size 1.3MB
        • SHA256 69325bb6a9a7e5e57c2048484c5b492540dbc7b9f8678f904e538b07bc3ce51f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        remote.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe
        • Size 70KB
        • SHA256 66762a090fe667dffd50a4523f2d74bfe0e60bd24eceb6512f4cdfe9b1f88508
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1540-13-0x0000000000412000-0x0000000000413000-memory.dmp

        memory/1540-21-0x00000000023E0000-0x0000000002444000-memory.dmp

        memory/4940-22-0x000001B6B80E0000-0x000001B6B814F000-memory.dmp