Overview

overview

10

Static

static

3

2026-11-07...op.exe

windows10-2004-x64

10

2026-11-07...op.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-11-07_38880aef77da76a5cc643c3cd9ddc16c_elex_remcos_rhadamanthys_stop
  • Size 4.1MB
  • Sample261109-l5k6taee38
  • SHA256 793a91c50374687e43c12c69a7898648fe18bcb1f82584651add2dd65970a0f5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
gluptebadefense_evasiondiscoverydropperexecutionloaderpersistenceprivilege_escalationrootkitspywaretrojan

Malware Config

Targets

    • Target
      2026-11-07_38880aef77da76a5cc643c3cd9ddc16c_elex_remcos_rhadamanthys_stop
    • Size 4.1MB
    • SHA256 793a91c50374687e43c12c69a7898648fe18bcb1f82584651add2dd65970a0f5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverydropperexecutiongluptebaloaderpersistenceprivilege_escalationrootkitspywaretrojan

    • Family: Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba payload

    • Custom signature

      Detects Windows executables referencing non-Windows User-Agents

    • Custom signature

      Detects executables containing URLs to raw contents of a Github gist

    • Custom signature

      Detects executables referencing many varying, potentially fake Windows User-Agents

    • Modifies Windows Firewall

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Contacts third-party web service commonly abused for C2

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

      rootkitdefense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks