Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    fbd77d36c7d320b073f57d0d68ebcb0b8b364d16c15e6d000ad2af6a93d0e235

  • Size

    4.1MB

  • Sample

    240511-kwgllaac2t

  • MD5

    a26e41302d8ead6781666b8f579b8877

  • SHA1

    4b8fe1eb5bdc0b5fa79ddde8883aff2047d24788

  • SHA256

    fbd77d36c7d320b073f57d0d68ebcb0b8b364d16c15e6d000ad2af6a93d0e235

  • SHA512

    303d504e7297e15dc71814bf95e1b20dbde9b985d6f4c93a9b444030db6a054d437b9c53c7718fdac4ab22c0c719d8acbf93a56fdcd5637fa7b8158508d50cc6

  • SSDEEP

    98304:4ErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIZ:bD1Z1UwAUfrk2xOxPr4PpsvyaCIZ

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      fbd77d36c7d320b073f57d0d68ebcb0b8b364d16c15e6d000ad2af6a93d0e235

    • Size

      4.1MB

    • MD5

      a26e41302d8ead6781666b8f579b8877

    • SHA1

      4b8fe1eb5bdc0b5fa79ddde8883aff2047d24788

    • SHA256

      fbd77d36c7d320b073f57d0d68ebcb0b8b364d16c15e6d000ad2af6a93d0e235

    • SHA512

      303d504e7297e15dc71814bf95e1b20dbde9b985d6f4c93a9b444030db6a054d437b9c53c7718fdac4ab22c0c719d8acbf93a56fdcd5637fa7b8158508d50cc6

    • SSDEEP

      98304:4ErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIZ:bD1Z1UwAUfrk2xOxPr4PpsvyaCIZ

    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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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