Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    af467cecfbed1c09bc2989d9bafaaaea79f87635596ab27ab69559a1598a1da2

  • Size

    4.1MB

  • Sample

    240427-ke3shaeh42

  • MD5

    a17514a9bc93026f1e342e5b1e981095

  • SHA1

    3dbb2df44a601cdc724d570eb2f133c88d1a9392

  • SHA256

    af467cecfbed1c09bc2989d9bafaaaea79f87635596ab27ab69559a1598a1da2

  • SHA512

    63bedbe0863ac36eb754a99faccf6b9f42fa0631a1f95fe2c7b1e4680b82db3f5b6d61151ab8cbb1f9d0531f77616550e4062489f20df051108bc3a474581244

  • SSDEEP

    98304:RBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74h:RBQ8JjsJRJcupcUK8wlX7C

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      af467cecfbed1c09bc2989d9bafaaaea79f87635596ab27ab69559a1598a1da2

    • Size

      4.1MB

    • MD5

      a17514a9bc93026f1e342e5b1e981095

    • SHA1

      3dbb2df44a601cdc724d570eb2f133c88d1a9392

    • SHA256

      af467cecfbed1c09bc2989d9bafaaaea79f87635596ab27ab69559a1598a1da2

    • SHA512

      63bedbe0863ac36eb754a99faccf6b9f42fa0631a1f95fe2c7b1e4680b82db3f5b6d61151ab8cbb1f9d0531f77616550e4062489f20df051108bc3a474581244

    • SSDEEP

      98304:RBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74h:RBQ8JjsJRJcupcUK8wlX7C

    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