Overview

overview

7

Static

static

3

2026-09-29...lc.exe

windows10-2004-x64

7

2026-09-29...lc.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/09/2026, 14:29

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General

  • Target
    2026-09-29_e98420b519f40922f01f9f1de370d177_cobalt-strike_icedid_stealc.exe
  • Size 530KB
  • Sample260929-rt2bjstvfw
  • SHA256 9fa53206f4554646d48339b820adb0330b7580c95c5c570f9f05e9246dc052f9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
executionpersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_e98420b519f40922f01f9f1de370d177_cobalt-strike_icedid_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_e98420b519f40922f01f9f1de370d177_cobalt-strike_icedid_stealc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe
      "C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /create /tn "HostUpdate" /tr "C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe" /sc onlogon /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:796
  • C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe
    C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe
    1⤵
    • Executes dropped EXE
    PID:2624

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        fykmxtvutf.exe
        • Path C:\Users\Admin\AppData\Local\Temp\fykmxtvutf.exe
        • Size 401KB
        • SHA256 b58003d9bf4789287265172ae3ffbe44712ceec27e4260454ad73b01c90e28c5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mahi_agent.log
        • Path C:\Users\Admin\AppData\Local\Temp\mahi_agent.log
        • Size 197B
        • SHA256 12f8f8efc955d0760ab99a8fe3bdb58bb6f7775f4ac28a21d6b4b5ff7712556f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mahi_agent.log
        • Path C:\Users\Admin\AppData\Local\Temp\mahi_agent.log
        • Size 154B
        • SHA256 5af507c9df71ae51a15d3b0a1b3c30d7f6b6683b104d946bbe5fc599f148ebfc
        • MD5 SHA1 SHA512 TLSH
        Submit Download