Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97

  • Size

    4.2MB

  • Sample

    240419-x5qxvaea71

  • MD5

    a7c99d11e0a3f11864ee6b71bf2f4b08

  • SHA1

    c50f1b9ddaa06a55e0d6abba687d77a482bb2408

  • SHA256

    c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97

  • SHA512

    84bfb379a80980fb909b59a4e3a24e922b6d93647f61c77794e5ab09e1d6fcd95f70abf0e9f804742146f3176413aae54267c9bdf52023ab4c548a234c9fea60

  • SSDEEP

    98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeF:Rw6rquKXDtU1Y2GYniVjUHw

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97

    • Size

      4.2MB

    • MD5

      a7c99d11e0a3f11864ee6b71bf2f4b08

    • SHA1

      c50f1b9ddaa06a55e0d6abba687d77a482bb2408

    • SHA256

      c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97

    • SHA512

      84bfb379a80980fb909b59a4e3a24e922b6d93647f61c77794e5ab09e1d6fcd95f70abf0e9f804742146f3176413aae54267c9bdf52023ab4c548a234c9fea60

    • SSDEEP

      98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeF:Rw6rquKXDtU1Y2GYniVjUHw

    Score
    10/10
    gluptebadropperevasionloaderdiscoverypersistencerootkitupx

    • 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