Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    8325b7cd38f3c16820835c5e54dfa145b42407db5465ea3e1d618c4ccf02adb5

  • Size

    4.2MB

  • Sample

    240423-wdhaysac81

  • MD5

    31e46cd8fac523f2dea0164f60b6433e

  • SHA1

    ff3538cc92a830b4f37adcdb9be26110ff805414

  • SHA256

    8325b7cd38f3c16820835c5e54dfa145b42407db5465ea3e1d618c4ccf02adb5

  • SHA512

    f4d1300f720515ea71ef1e4c3d397f5cbeb00866486508b34b613d17f887045d243f20c6b829136ce51557591292aada4cdca50bf1047b14acc879868e030d69

  • SSDEEP

    98304:ljZ0w3JCpg65gxtzIPECtbDHCGHQv1+jWp0itpTHKkwvKchVEkEI:voB5gcPNN+GC1+jc0itcvKKN

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      8325b7cd38f3c16820835c5e54dfa145b42407db5465ea3e1d618c4ccf02adb5

    • Size

      4.2MB

    • MD5

      31e46cd8fac523f2dea0164f60b6433e

    • SHA1

      ff3538cc92a830b4f37adcdb9be26110ff805414

    • SHA256

      8325b7cd38f3c16820835c5e54dfa145b42407db5465ea3e1d618c4ccf02adb5

    • SHA512

      f4d1300f720515ea71ef1e4c3d397f5cbeb00866486508b34b613d17f887045d243f20c6b829136ce51557591292aada4cdca50bf1047b14acc879868e030d69

    • SSDEEP

      98304:ljZ0w3JCpg65gxtzIPECtbDHCGHQv1+jWp0itpTHKkwvKchVEkEI:voB5gcPNN+GC1+jc0itcvKKN

    Score
    10/10
    gluptebadropperevasionloaderupxdiscoverypersistencerootkit

    • 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