Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9c6878af8e410c5f7da78532b89bf7f1297107edbfe1333ec2bb15b29c0eea10

  • Size

    4.2MB

  • Sample

    240420-zelasahd46

  • MD5

    a4a4118bebec59aa45740972a0dc7b54

  • SHA1

    b94453e6bf70030fb869e92bc88df9aba8677da3

  • SHA256

    9c6878af8e410c5f7da78532b89bf7f1297107edbfe1333ec2bb15b29c0eea10

  • SHA512

    dd7f40302d74b227e650c72d97ac243773dde1756b4fe98e4d5dc2dee7904adb47de31daeb76d12a455471a41f34d96bbc19cc6e3c9fc67971af67b17cee4395

  • SSDEEP

    98304:rVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzz:RFYkS+E0uawLNQ+/9Bo7/D

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9c6878af8e410c5f7da78532b89bf7f1297107edbfe1333ec2bb15b29c0eea10

    • Size

      4.2MB

    • MD5

      a4a4118bebec59aa45740972a0dc7b54

    • SHA1

      b94453e6bf70030fb869e92bc88df9aba8677da3

    • SHA256

      9c6878af8e410c5f7da78532b89bf7f1297107edbfe1333ec2bb15b29c0eea10

    • SHA512

      dd7f40302d74b227e650c72d97ac243773dde1756b4fe98e4d5dc2dee7904adb47de31daeb76d12a455471a41f34d96bbc19cc6e3c9fc67971af67b17cee4395

    • SSDEEP

      98304:rVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzz:RFYkS+E0uawLNQ+/9Bo7/D

    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