Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5b8a3257167596193c526715c6c6615d596a9006d48f10c75fc5ba9b232bb95a

  • Size

    4.2MB

  • Sample

    240420-zjzc7saa9s

  • MD5

    5fa97e17bf1e0a0f1506da42fc06d238

  • SHA1

    df7f234a5c1f673318697c1a5bd6751e1d284f5a

  • SHA256

    5b8a3257167596193c526715c6c6615d596a9006d48f10c75fc5ba9b232bb95a

  • SHA512

    9101d790799da883b4f124abd47c551f8bd279926e55cc4f9283df84748b2c14cf80bb490fb1189e9948da1f5cae81296165d63f684a6bcc3b9cc21911b5b47c

  • SSDEEP

    98304:7VFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzb:BFYkS+E0uawLNQ+/9Bo7/r

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      5b8a3257167596193c526715c6c6615d596a9006d48f10c75fc5ba9b232bb95a

    • Size

      4.2MB

    • MD5

      5fa97e17bf1e0a0f1506da42fc06d238

    • SHA1

      df7f234a5c1f673318697c1a5bd6751e1d284f5a

    • SHA256

      5b8a3257167596193c526715c6c6615d596a9006d48f10c75fc5ba9b232bb95a

    • SHA512

      9101d790799da883b4f124abd47c551f8bd279926e55cc4f9283df84748b2c14cf80bb490fb1189e9948da1f5cae81296165d63f684a6bcc3b9cc21911b5b47c

    • SSDEEP

      98304:7VFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzb:BFYkS+E0uawLNQ+/9Bo7/r

    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