Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    21a8fa129fcd394da0536b1bebb15c7dc9c2033e002ebda7e4267339466d815d

  • Size

    4.1MB

  • Sample

    240519-gaey4acf9x

  • MD5

    f560113dabdc26f0534175cd1b3f8e42

  • SHA1

    33b90d6ddef508838c9496f38cf9c87edcc9d227

  • SHA256

    21a8fa129fcd394da0536b1bebb15c7dc9c2033e002ebda7e4267339466d815d

  • SHA512

    4c69ce696017a848d1d3410af5b00bb8e0ec06d2b261db6b3ae51bdcb662ceab88fff87306a2e7e428e6dd024ebc4b8d4d79a7d963e50544507649105df60723

  • SSDEEP

    98304:8WlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+Y9:8W16ulMesXlnBp/sjruCqmtIOvam

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      21a8fa129fcd394da0536b1bebb15c7dc9c2033e002ebda7e4267339466d815d

    • Size

      4.1MB

    • MD5

      f560113dabdc26f0534175cd1b3f8e42

    • SHA1

      33b90d6ddef508838c9496f38cf9c87edcc9d227

    • SHA256

      21a8fa129fcd394da0536b1bebb15c7dc9c2033e002ebda7e4267339466d815d

    • SHA512

      4c69ce696017a848d1d3410af5b00bb8e0ec06d2b261db6b3ae51bdcb662ceab88fff87306a2e7e428e6dd024ebc4b8d4d79a7d963e50544507649105df60723

    • SSDEEP

      98304:8WlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+Y9:8W16ulMesXlnBp/sjruCqmtIOvam

    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