Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9c3a3426921d1425ffae5e2da871be86df71a75413f63a0b07a07f29c6267d57

  • Size

    4.1MB

  • Sample

    240421-m7t26shg9y

  • MD5

    782bd8a27c54fc9c58ea40e8a3e8f03c

  • SHA1

    2b500d25ce1260d21ac710665a63f4ba3f239272

  • SHA256

    9c3a3426921d1425ffae5e2da871be86df71a75413f63a0b07a07f29c6267d57

  • SHA512

    972e24980c5d571e75ebe49f5779d9950d9afebc1e301746c6b16115139abf2893c8135b04c358284b30c1ca31872d1f542d41a5ccc794256f0e2b0641c272ed

  • SSDEEP

    98304:ab4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGy:JBdQ1naH+hM1NF8Wy

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9c3a3426921d1425ffae5e2da871be86df71a75413f63a0b07a07f29c6267d57

    • Size

      4.1MB

    • MD5

      782bd8a27c54fc9c58ea40e8a3e8f03c

    • SHA1

      2b500d25ce1260d21ac710665a63f4ba3f239272

    • SHA256

      9c3a3426921d1425ffae5e2da871be86df71a75413f63a0b07a07f29c6267d57

    • SHA512

      972e24980c5d571e75ebe49f5779d9950d9afebc1e301746c6b16115139abf2893c8135b04c358284b30c1ca31872d1f542d41a5ccc794256f0e2b0641c272ed

    • SSDEEP

      98304:ab4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGy:JBdQ1naH+hM1NF8Wy

    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