Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb

  • Size

    4.2MB

  • Sample

    240425-qejmhsbb25

  • MD5

    8fb180d9be8c59e56ff5e267446a688a

  • SHA1

    fa159f11a932d539760c5fdbf42a89872a911475

  • SHA256

    2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb

  • SHA512

    adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562

  • SSDEEP

    98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7e:JlP9LMc0wkDbEiV0LVIC

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb

    • Size

      4.2MB

    • MD5

      8fb180d9be8c59e56ff5e267446a688a

    • SHA1

      fa159f11a932d539760c5fdbf42a89872a911475

    • SHA256

      2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb

    • SHA512

      adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562

    • SSDEEP

      98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7e:JlP9LMc0wkDbEiV0LVIC

    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