Overview

overview

10

Static

static

3

2026-08-20...rm.exe

windows10-2004-x64

10

2026-08-20...rm.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/08/2026, 02:52

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General

  • Target
    2026-08-20_7597e34a66835d4ffbdcfb3b1315c220_cobalt-strike_glassworm.exe
  • Size 2.4MB
  • Sample260821-dctcqa1fna
  • SHA256 0746d7af074ec1591b922ecb282b030ad3b6eb2d903a50d3b5eb2b7af6e47a67
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorcobaltstrikepersistenceransomwaretrojan

Malware Config

Extracted

Family

  • cobaltstrike

C2

  • http://39.98.198.130:8234/sm1L

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)

Signatures

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 1 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3232
    • C:\Users\Admin\AppData\Local\Temp\2026-08-20_7597e34a66835d4ffbdcfb3b1315c220_cobalt-strike_glassworm.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-20_7597e34a66835d4ffbdcfb3b1315c220_cobalt-strike_glassworm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3752
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4544
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3088
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3820

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AppCache134317544183557712.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134317544183557712.txt
        • Size 82KB
        • SHA256 9b35fdf352e43237a16d20b9d3b56a728def412adf8d2b19556b9f2269d37fcf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3088-29-0x00000235DC560000-0x00000235DC660000-memory.dmp
        Download

        memory/3088-30-0x00000235DC560000-0x00000235DC660000-memory.dmp
        Download

        memory/3088-33-0x00000235DCF80000-0x00000235DCFA0000-memory.dmp
        Download

        memory/3088-56-0x00000235DD550000-0x00000235DD570000-memory.dmp
        Download

        memory/3088-42-0x00000235DCF40000-0x00000235DCF60000-memory.dmp
        Download

        memory/3088-28-0x00000235DC560000-0x00000235DC660000-memory.dmp
        Download

        memory/3232-0-0x0000000002D70000-0x0000000002D71000-memory.dmp
        Download

        memory/3232-2-0x0000000002810000-0x0000000002811000-memory.dmp
        Download

        memory/4544-27-0x0000000005120000-0x0000000005121000-memory.dmp
        Download