Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    e45c74fce0369066e0918bf98bbb75af67642036dae661878f125afd98e67e2f

  • Size

    4.2MB

  • Sample

    240419-wm78qsbd58

  • MD5

    b3dfe493bea72db1cf25c2ecf858f2f6

  • SHA1

    4e38e39c15cf96bd1ed9d5a85ba09f35a1bc6219

  • SHA256

    e45c74fce0369066e0918bf98bbb75af67642036dae661878f125afd98e67e2f

  • SHA512

    271642301a276cfa2dd674f41468cf5254438665dc2dc1fdfdd0d43beb84cc7de803486e10431190b2009f2048467c284be5ed114d2c3519b679e909c02033d2

  • SSDEEP

    98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCi:OAu+ENnjVyYiVNw4D

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      e45c74fce0369066e0918bf98bbb75af67642036dae661878f125afd98e67e2f

    • Size

      4.2MB

    • MD5

      b3dfe493bea72db1cf25c2ecf858f2f6

    • SHA1

      4e38e39c15cf96bd1ed9d5a85ba09f35a1bc6219

    • SHA256

      e45c74fce0369066e0918bf98bbb75af67642036dae661878f125afd98e67e2f

    • SHA512

      271642301a276cfa2dd674f41468cf5254438665dc2dc1fdfdd0d43beb84cc7de803486e10431190b2009f2048467c284be5ed114d2c3519b679e909c02033d2

    • SSDEEP

      98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCi:OAu+ENnjVyYiVNw4D

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • Glupteba

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

      loaderdropperglupteba

    • Glupteba payload

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

    • Manipulates WinMonFS driver.

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

      rootkitevasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks