Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    902a6a0c34e783fc02eaa4a0e0ebd8706caf63957ad33f164cf612ce49657bd9

  • Size

    4.1MB

  • Sample

    240421-j3912sfb7x

  • MD5

    a61b5cf4ae801b132bc2629271b6b509

  • SHA1

    dc4540034a0ef389711c080ebf359ea458a36cd1

  • SHA256

    902a6a0c34e783fc02eaa4a0e0ebd8706caf63957ad33f164cf612ce49657bd9

  • SHA512

    4f9658f1a7e2714c2c5d904a490c1e14cd37c3a4acd2b32aef906d912fd80bbfa1ce226f15d1dd923d4f52abdb023b583e1fc0a33acbe4f6d22f68277f57e542

  • SSDEEP

    98304:74qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzr8:7Wg+YEmQ7rBhUiZtgg2AB8elhzr8

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      902a6a0c34e783fc02eaa4a0e0ebd8706caf63957ad33f164cf612ce49657bd9

    • Size

      4.1MB

    • MD5

      a61b5cf4ae801b132bc2629271b6b509

    • SHA1

      dc4540034a0ef389711c080ebf359ea458a36cd1

    • SHA256

      902a6a0c34e783fc02eaa4a0e0ebd8706caf63957ad33f164cf612ce49657bd9

    • SHA512

      4f9658f1a7e2714c2c5d904a490c1e14cd37c3a4acd2b32aef906d912fd80bbfa1ce226f15d1dd923d4f52abdb023b583e1fc0a33acbe4f6d22f68277f57e542

    • SSDEEP

      98304:74qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzr8:7Wg+YEmQ7rBhUiZtgg2AB8elhzr8

    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