Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    204e26ba38c4c72ba3ba4f1e8d2a8cba129c56d78065c583c28c25637e46a6a3

  • Size

    4.2MB

  • Sample

    240426-w33yysad6t

  • MD5

    c39ce739138d8c7ef8b143bdb084bfdb

  • SHA1

    42912e3a8fc0198881e49ff80c3dd3bff245675d

  • SHA256

    204e26ba38c4c72ba3ba4f1e8d2a8cba129c56d78065c583c28c25637e46a6a3

  • SHA512

    155a98cd381d10255bfb56eba67bf5ad0cf6ae137349a12fd2fe7aa2a4b361d7c9d9ecfd81b6542f9ad826c49c39cadeba79d33f661b2dca12c3ffda18ff35e9

  • SSDEEP

    98304:12LBAEOKvJ0/zY80N0vVppdLThkoJY3pu9gQ6ORc3/EM9CU8vMep:ctADCJ0L4N0vbpdLThJY3KtRc6k4

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      204e26ba38c4c72ba3ba4f1e8d2a8cba129c56d78065c583c28c25637e46a6a3

    • Size

      4.2MB

    • MD5

      c39ce739138d8c7ef8b143bdb084bfdb

    • SHA1

      42912e3a8fc0198881e49ff80c3dd3bff245675d

    • SHA256

      204e26ba38c4c72ba3ba4f1e8d2a8cba129c56d78065c583c28c25637e46a6a3

    • SHA512

      155a98cd381d10255bfb56eba67bf5ad0cf6ae137349a12fd2fe7aa2a4b361d7c9d9ecfd81b6542f9ad826c49c39cadeba79d33f661b2dca12c3ffda18ff35e9

    • SSDEEP

      98304:12LBAEOKvJ0/zY80N0vVppdLThkoJY3pu9gQ6ORc3/EM9CU8vMep:ctADCJ0L4N0vbpdLThJY3KtRc6k4

    Score
    10/10
    gluptebadropperevasionloaderupxdiscoverypersistencerootkit

    • 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