Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9757a1dc535ba6d3d0bb4066a7f64f231bfdfe63c0586ce2c574dd083e353d1b

  • Size

    4.2MB

  • Sample

    240420-z8s8gsac58

  • MD5

    25af9b4a4899d341dcc086e593c29ada

  • SHA1

    11f4cc97ce08cfbed7655abbbb95a37a718acdab

  • SHA256

    9757a1dc535ba6d3d0bb4066a7f64f231bfdfe63c0586ce2c574dd083e353d1b

  • SHA512

    84902e791204d5fba7c71ca59a5463b2de2d201fa1ab575b6c9716681a5f50a88f6f750520e167bb87f26abd23a127c8526e08786ad429324c8aca795b178dba

  • SSDEEP

    98304:qB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7ON:3TFmTI8qKjKFA4r+dAh7RQUI

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9757a1dc535ba6d3d0bb4066a7f64f231bfdfe63c0586ce2c574dd083e353d1b

    • Size

      4.2MB

    • MD5

      25af9b4a4899d341dcc086e593c29ada

    • SHA1

      11f4cc97ce08cfbed7655abbbb95a37a718acdab

    • SHA256

      9757a1dc535ba6d3d0bb4066a7f64f231bfdfe63c0586ce2c574dd083e353d1b

    • SHA512

      84902e791204d5fba7c71ca59a5463b2de2d201fa1ab575b6c9716681a5f50a88f6f750520e167bb87f26abd23a127c8526e08786ad429324c8aca795b178dba

    • SSDEEP

      98304:qB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7ON:3TFmTI8qKjKFA4r+dAh7RQUI

    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