Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    36fd8432809e1ed5befada3547526b296686939365446bd23a437a5fc7e26ec1

  • Size

    4.1MB

  • Sample

    240421-p5f4msbh73

  • MD5

    2fe3dcc8bde7f8e72c297a23d1c99dce

  • SHA1

    75e43a843f2191e794881350d0a68c9610f6d4d8

  • SHA256

    36fd8432809e1ed5befada3547526b296686939365446bd23a437a5fc7e26ec1

  • SHA512

    6e0ce899887c6ab724710f3986a8dd9482e5e54033f9766aa426d3dfd142b3d7dc26ae3960a7b872c839994f7af30c4843388fd8690a017df88462db80069731

  • SSDEEP

    98304:Qupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5m:N24wrgi8oddlbg

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      36fd8432809e1ed5befada3547526b296686939365446bd23a437a5fc7e26ec1

    • Size

      4.1MB

    • MD5

      2fe3dcc8bde7f8e72c297a23d1c99dce

    • SHA1

      75e43a843f2191e794881350d0a68c9610f6d4d8

    • SHA256

      36fd8432809e1ed5befada3547526b296686939365446bd23a437a5fc7e26ec1

    • SHA512

      6e0ce899887c6ab724710f3986a8dd9482e5e54033f9766aa426d3dfd142b3d7dc26ae3960a7b872c839994f7af30c4843388fd8690a017df88462db80069731

    • SSDEEP

      98304:Qupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5m:N24wrgi8oddlbg

    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

    • Suspicious use of SetThreadContext

    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