Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    fcfb97e13081fa5e7eda91c7f522bb26cab278c33fd9ea2a6c9663c9649a70f2

  • Size

    4.1MB

  • Sample

    240421-ng7e9aab7v

  • MD5

    0b5d3f120f6e6a1e9ba4b11940b3cf70

  • SHA1

    292441ce7e3070c79c07637dbe7b83efd5f5cfad

  • SHA256

    fcfb97e13081fa5e7eda91c7f522bb26cab278c33fd9ea2a6c9663c9649a70f2

  • SHA512

    e92b411a37d17cbfad6acf3433dd42791db98f7fda8ea06edc11a067cc66a72465c6611cbfbfa20d778cc3dee5375ce84487749324a0ed6101217efc0d5fec1f

  • SSDEEP

    98304:Kb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGW:ZBdQ1naH+hM1NF8WW

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      fcfb97e13081fa5e7eda91c7f522bb26cab278c33fd9ea2a6c9663c9649a70f2

    • Size

      4.1MB

    • MD5

      0b5d3f120f6e6a1e9ba4b11940b3cf70

    • SHA1

      292441ce7e3070c79c07637dbe7b83efd5f5cfad

    • SHA256

      fcfb97e13081fa5e7eda91c7f522bb26cab278c33fd9ea2a6c9663c9649a70f2

    • SHA512

      e92b411a37d17cbfad6acf3433dd42791db98f7fda8ea06edc11a067cc66a72465c6611cbfbfa20d778cc3dee5375ce84487749324a0ed6101217efc0d5fec1f

    • SSDEEP

      98304:Kb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGW:ZBdQ1naH+hM1NF8WW

    Score
    10/10
    gluptebadropperloaderdiscoveryevasionpersistencerootkitupx

    • 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