Overview

overview

10

Static

static

5

tmpgs2fssd_.exe

windows10-ltsc_2021-x64

10

tmpgs2fssd_.exe

windows10-2004-x64

10

tmpgs2fssd_.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    tmpgs2fssd_
  • Size 4.2MB
  • Sample260602-ll3lrabt5n
  • SHA256 1e146ab127759a07a58c869ea63459fb611607750ea7c023ffe36a56079658c9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
gluptebadefense_evasiondiscoverydropperexecutionloaderpersistenceprivilege_escalationrootkitspywaretrojan

Malware Config

Targets

    • Target
      tmpgs2fssd_
    • Size 4.2MB
    • SHA256 1e146ab127759a07a58c869ea63459fb611607750ea7c023ffe36a56079658c9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverydropperexecutiongluptebaloaderpersistenceprivilege_escalationrootkittrojanspyware

    • Family: Glupteba

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

      loaderdropperglupteba

    • Glupteba payload

    • Windows security bypass

      defense_evasiontrojan

    • Modifies Windows Firewall

      defense_evasion

    • Executes dropped EXE

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks