Resubmissions

29/07/2026, 08:31

260729-ke8czszbme8

23/07/2026, 23:46

260723-3sksysdf4910

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 23:46

General

  • Target
    2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe
  • Size 123KB
  • Sample260723-3sksysdf49
  • SHA256 a9207d6ffcda9167486160d98dfa0f78e662d32c4b11715a39e23fbc5ce8599a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables Discord URL observed in first stage droppers 1 IoCs
  • Disables Task Manager via registry modification
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 3 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\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "Microsoft\Windows\Broker\RuntimeBroker" /tr "C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe" /sc onlogon /rl highest /f 2>nul
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\Broker\RuntimeBroker" /tr "C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3704
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c :loop & timeout /t 10 /nobreak >nul & tasklist /fi "imagename eq RuntimeBroker.exe" | find /i "RuntimeBroker.exe" >nul || start "" "C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe" & goto loop
      2⤵
      • Executes a command shell one-liner
      PID:2392
  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-23_dec873fd811d43f9860fcd33ab637ab4_cobalt-strike_icedid.exe
    1⤵
      PID:3240
    • C:\ProgramData\Microsoft\RuntimeBroker.exe
      C:\ProgramData\Microsoft\RuntimeBroker.exe
      1⤵
      • Executes dropped EXE
      PID:2004

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          RuntimeBroker.exe

          • Path C:\ProgramData\Microsoft\RuntimeBroker.exe
          • Size 123KB
          • SHA256 a9207d6ffcda9167486160d98dfa0f78e662d32c4b11715a39e23fbc5ce8599a
          • MD5 SHA1 SHA512 SSDEEP TLSH