Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a

  • Size

    4.1MB

  • Sample

    240519-zfm6rsgg64

  • MD5

    7134d87707fc1a4bed3c00c2cee20733

  • SHA1

    925c0989edb35d7674a016f8286b368c316bfc13

  • SHA256

    cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a

  • SHA512

    cdaa52bc160c4ae80b8069cfc91cd80bc7dcd3a2ddb003d235b98665f42d485bb9c2f29822dba600f0939cfacbd44a68f4414a00f8c840c3e35586a84d09acbc

  • SSDEEP

    98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN8:DzgmDywQg+foZ8mw6SC

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a

    • Size

      4.1MB

    • MD5

      7134d87707fc1a4bed3c00c2cee20733

    • SHA1

      925c0989edb35d7674a016f8286b368c316bfc13

    • SHA256

      cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a

    • SHA512

      cdaa52bc160c4ae80b8069cfc91cd80bc7dcd3a2ddb003d235b98665f42d485bb9c2f29822dba600f0939cfacbd44a68f4414a00f8c840c3e35586a84d09acbc

    • SSDEEP

      98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN8:DzgmDywQg+foZ8mw6SC

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Command and Control

Exfiltration

Impact

Tasks