Overview

overview

10

Static

static

3

2026-09-28...lc.exe

windows10-2004-x64

10

2026-09-28...lc.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/09/2026, 11:12

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General

  • Target
    2026-09-28_dea9d735cb6b96a67596c24dc58326df_cobalt-strike_icedid_stealc.exe
  • Size 304KB
  • Sample260928-nbb26ascnd
  • SHA256 df8707a8e263f3aeb655f4b3f6ae8dcaac1e306b536911455c241bdb93b2142c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
persistenceransomware

Malware Config

Extracted

Path

  • C:\Users\Public\Documents\YOUR_FILES_ARE_ENCRYPTED.txt

Ransom Note
  • === YOUR FILES ARE ENCRYPTED === All files in this directory have been encrypted with AES-256. To recover your data, contact: [email protected] Payment required in Bitcoin. You have 72 hours. Do not attempt to decrypt manually. Files will be permanently lost.

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-28_dea9d735cb6b96a67596c24dc58326df_cobalt-strike_icedid_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-28_dea9d735cb6b96a67596c24dc58326df_cobalt-strike_icedid_stealc.exe"
    1⤵
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Documents\YOUR_FILES_ARE_ENCRYPTED.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1820
  • C:\Users\Admin\AppData\Local\Temp\2026-09-28_dea9d735cb6b96a67596c24dc58326df_cobalt-strike_icedid_stealc.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-28_dea9d735cb6b96a67596c24dc58326df_cobalt-strike_icedid_stealc.exe
    1⤵
      PID:4296

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          YOUR_FILES_ARE_ENCRYPTED.txt
          • Path C:\Users\Public\Documents\YOUR_FILES_ARE_ENCRYPTED.txt
          • Size 273B
          • SHA256 4ff6ac4c73211ac42f79684e120db0edaf21daec27185d1f1bf36604bce5cced
          • MD5 SHA1 SHA512 TLSH
          Submit Download