Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd

  • Size

    4.1MB

  • Sample

    240520-fd5hgsch8y

  • MD5

    b2373e36467f1af28c33cc1d9bf7bfe3

  • SHA1

    72c4e7a9c41c07ff2c2cedbab9cd344160ead3d8

  • SHA256

    58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd

  • SHA512

    fe917a13107aee2a1c304d0f7af43e3d6d21d0a3665151201c5a8ee349f6c127a6ff9839af19c596697f6e5f6d1a9c13aa7f56e08ee08dc8c7fc2371d1b30b8d

  • SSDEEP

    98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:ALmIkbquibpii2yAk4+2fEKmbh

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd

    • Size

      4.1MB

    • MD5

      b2373e36467f1af28c33cc1d9bf7bfe3

    • SHA1

      72c4e7a9c41c07ff2c2cedbab9cd344160ead3d8

    • SHA256

      58b4f0839d798e4131c0abbd4a8b0591eea5a60303f909a7843be22d01dc7fbd

    • SHA512

      fe917a13107aee2a1c304d0f7af43e3d6d21d0a3665151201c5a8ee349f6c127a6ff9839af19c596697f6e5f6d1a9c13aa7f56e08ee08dc8c7fc2371d1b30b8d

    • SSDEEP

      98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:ALmIkbquibpii2yAk4+2fEKmbh

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Command and Control

Exfiltration

Impact

Tasks