Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    2f8065ce4b01897f119c9adc75cd91c141ad17833149d16910c6fe4d04c6f82f

  • Size

    4.2MB

  • Sample

    240420-n1jhjagf5x

  • MD5

    88cc0d3aa21a01e7b0a52666afd79c6d

  • SHA1

    4253d430cc9cd326aaf2b995f3d806bf2397de7c

  • SHA256

    2f8065ce4b01897f119c9adc75cd91c141ad17833149d16910c6fe4d04c6f82f

  • SHA512

    9baa953c5f622580d611dd9461180e8c6edb02bb744b11b0e48eb8e739dd70cab5edb85f174f0ba82584bd7c86b2f786a2b9fd0a9621043a9b9b06a4bb3dc119

  • SSDEEP

    98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR8:KMby0Sruak17xwZ

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      2f8065ce4b01897f119c9adc75cd91c141ad17833149d16910c6fe4d04c6f82f

    • Size

      4.2MB

    • MD5

      88cc0d3aa21a01e7b0a52666afd79c6d

    • SHA1

      4253d430cc9cd326aaf2b995f3d806bf2397de7c

    • SHA256

      2f8065ce4b01897f119c9adc75cd91c141ad17833149d16910c6fe4d04c6f82f

    • SHA512

      9baa953c5f622580d611dd9461180e8c6edb02bb744b11b0e48eb8e739dd70cab5edb85f174f0ba82584bd7c86b2f786a2b9fd0a9621043a9b9b06a4bb3dc119

    • SSDEEP

      98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR8:KMby0Sruak17xwZ

    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