Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c

  • Size

    4.2MB

  • Sample

    240426-y8ceasbe65

  • MD5

    9590c0e7d5a44d31f0b6dc0a3b03a5b0

  • SHA1

    f85c67873bcc6467a1e94adf7680c01bd3781e88

  • SHA256

    53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c

  • SHA512

    52f2003f33f7db8e147207f2a29d73627ef6b40ab90ff0bcf871f9ca4b7ce971f292d0e4e8fd78d49564fe4283264d4a700755348bc09ea775ab81a9a15e6b39

  • SSDEEP

    98304:q2m5eOYCD1ID98VF2Kih+6YxfniOeVNR3JpIP6GA7sf3HgV11G9:q2m5BYCDY8uVjYxfniXVNFJ2yR7sfQVU

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c

    • Size

      4.2MB

    • MD5

      9590c0e7d5a44d31f0b6dc0a3b03a5b0

    • SHA1

      f85c67873bcc6467a1e94adf7680c01bd3781e88

    • SHA256

      53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c

    • SHA512

      52f2003f33f7db8e147207f2a29d73627ef6b40ab90ff0bcf871f9ca4b7ce971f292d0e4e8fd78d49564fe4283264d4a700755348bc09ea775ab81a9a15e6b39

    • SSDEEP

      98304:q2m5eOYCD1ID98VF2Kih+6YxfniOeVNR3JpIP6GA7sf3HgV11G9:q2m5BYCDY8uVjYxfniXVNFJ2yR7sfQVU

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba payload

    • Blocklisted process makes network request

    • 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