Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577

  • Size

    4.2MB

  • Sample

    240419-x4seaadc57

  • MD5

    4e5a9dbf1071bad4a09a7ae6eb19101b

  • SHA1

    f1e37abee4fc5f90884bea594216aee813b51232

  • SHA256

    bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577

  • SHA512

    78f64539575b989a1ca21c6ce9b010d997f8f53846f4c09f1a11d98c5053717704d961e5e0da28daf43890517a10b572c3c885229148487ae2a2dd909c4c2c1d

  • SSDEEP

    98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe4:Rw6rquKXDtU1Y2GYniVjUH1

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577

    • Size

      4.2MB

    • MD5

      4e5a9dbf1071bad4a09a7ae6eb19101b

    • SHA1

      f1e37abee4fc5f90884bea594216aee813b51232

    • SHA256

      bb2b0dccf9b800b81e64aabc8cf73ab72e4dd5412395fb01386e4295fc748577

    • SHA512

      78f64539575b989a1ca21c6ce9b010d997f8f53846f4c09f1a11d98c5053717704d961e5e0da28daf43890517a10b572c3c885229148487ae2a2dd909c4c2c1d

    • SSDEEP

      98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe4:Rw6rquKXDtU1Y2GYniVjUH1

    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