Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87

  • Size

    4.1MB

  • Sample

    240424-tzgkfadc5t

  • MD5

    fdd73adc7baa748dcf8dbbf72fcf04cc

  • SHA1

    9a6f7fe892b8f296884c2a8498a7af6739794ffd

  • SHA256

    e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87

  • SHA512

    b2eeedb9003394ccf7720f88fef98110dd75aba0ea5f82b3f7f9f00e8e9dccc6d5d975555acf88f4198903b89d702e71d633af17a9d39ae95b490cf4ba4dd0d3

  • SSDEEP

    98304:1FddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUP:fLdBQ1yJ8Sedm2XHUQNc5Xg+

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87

    • Size

      4.1MB

    • MD5

      fdd73adc7baa748dcf8dbbf72fcf04cc

    • SHA1

      9a6f7fe892b8f296884c2a8498a7af6739794ffd

    • SHA256

      e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87

    • SHA512

      b2eeedb9003394ccf7720f88fef98110dd75aba0ea5f82b3f7f9f00e8e9dccc6d5d975555acf88f4198903b89d702e71d633af17a9d39ae95b490cf4ba4dd0d3

    • SSDEEP

      98304:1FddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUP:fLdBQ1yJ8Sedm2XHUQNc5Xg+

    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