Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 19:08

General

  • Target
    2026-07-20_993880e1322bee3a350031a8932b0cab_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 11.7MB
  • Sample260720-xtklpaes2v
  • SHA256 2751b90116fb4de7aaee2c387d2cbb754466ab9696bbe24b5f1d26c44fa4fdb7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Executes dropped EXE 3 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

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

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

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-20_993880e1322bee3a350031a8932b0cab_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_993880e1322bee3a350031a8932b0cab_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.vbe"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:880
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\v1.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\v1.exe"
        3⤵
        • Manipulates Digital Signatures
        • Executes dropped EXE
        • Drops file in Windows directory
        • Modifies system certificate store
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1140
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\n.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\n.exe" authtoken 1x4AJO3GhBONetjEVCCvMEGTuMI_3jKWJscYd9FRW1JfKdQag
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4608
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\n.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\n.exe" tcp 7575
        3⤵
        • Executes dropped EXE
        • Modifies trusted root certificate store through registry
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4528

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        n.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\n.exe
        • Size 29.9MB
        • SHA256 bbc243ad331536c7d5e244d6efb74679559bed457edd5ee9f2ce1bd45430fe12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        start.vbe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.vbe
        • Size 644B
        • SHA256 5d5f206778793093fe9509e6424a7fbcb948917fd863006e9818c69791545b37
        • MD5 SHA1 SHA512 TLSH

        v1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\v1.exe
        • Size 3.3MB
        • SHA256 add5d7e32758096df079f3047aaf486f287e8c172f77d8d49f60805ec7f5d6ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ngrok.yml

        • Path C:\Users\Admin\AppData\Local\ngrok\ngrok.yml
        • Size 85B
        • SHA256 0ad07ae4327d6e2ef9c253482dbb9e770571bcdfcc505b17d8a8523197abef50
        • MD5 SHA1 SHA512 TLSH

        memory/1140-13-0x00007FF654AC0000-0x00007FF6555E3000-memory.dmp

        memory/1140-23-0x00007FF654AC0000-0x00007FF6555E3000-memory.dmp