Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 22:26

General

  • Target
    2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe
  • Size 472KB
  • Sample261001-2cgwpaca37
  • SHA256 d9996f138f11426107c104f4a7a9702e7a1b67f42e79cd8c1de2ea3bcfd866fc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Detects command variations typically used by ransomware 1 IoCs
  • Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in r 1 IoCs
  • Executes a file named after a Windows system binary 1 TTPs 1 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Reads the TCP/IP host and domain name from the registry
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5868
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe" /sc onlogon /rl highest /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5184
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "WindowsSecurityUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4988
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "WindowsDefenderUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe" /sc minute /mo 30 /rl highest /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "WindowsDefenderUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe" /sc minute /mo 30 /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1124
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    PID:936
  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-01_ebc0d2cd42f5b0884b7c399bd43c4c10_cobalt-strike_icedid_luca-stealer_njrat_stealc.exe
    1⤵
      PID:5584

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          svchost.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
          • Size 472KB
          • SHA256 d9996f138f11426107c104f4a7a9702e7a1b67f42e79cd8c1de2ea3bcfd866fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wuhelper.log

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\wuhelper.log
          • Size 1KB
          • SHA256 c183f97c5b177fbf064cba45e1f0f7df15d0fa95fdc47f87fb29a810d03341af
          • MD5 SHA1 SHA512 TLSH

          wuhelper.log

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\wuhelper.log
          • Size 1KB
          • SHA256 ad8a8185d839d6c474b6607bfb5dad2d952c300f1355dcbe3f5bfb49878f512c
          • MD5 SHA1 SHA512 TLSH

          wuhelper.log

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\wuhelper.log
          • Size 1KB
          • SHA256 0efa6e750c9bac9b845cf0819e3985edcc54080df0cf191e158403bfa3546c52
          • MD5 SHA1 SHA512 TLSH

          wuhelper.log

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\wuhelper.log
          • Size 470B
          • SHA256 c5be861320c76adb405487c6b564e2ae00374d615961709aed67375dc764c973
          • MD5 SHA1 SHA512 TLSH

          RECOVERY.txt

          • Path C:\Users\Admin\Videos\RECOVERY.txt
          • Size 230B
          • SHA256 e7813a46c6555862bfcde856346c04313adca36380ed0cae6570b91e9045523b
          • MD5 SHA1 SHA512 TLSH