Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07

  • Size

    4.1MB

  • Sample

    240519-rde4dabb26

  • MD5

    245441f290f9315d150f6ce2090dd30f

  • SHA1

    46bdef0eee88dca718b7efe92d9a38bbb6893b65

  • SHA256

    831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07

  • SHA512

    2fd750a088c637cca7317a6014fe875a6e66f10e15878195c0b13383038a16a07f8d1b78bfb48122982484f31870f1480ffd967c824610b6fcc74521e38ac040

  • SSDEEP

    98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS/:IuOpIddBi3V8Ojm7gWylM939Cm

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07

    • Size

      4.1MB

    • MD5

      245441f290f9315d150f6ce2090dd30f

    • SHA1

      46bdef0eee88dca718b7efe92d9a38bbb6893b65

    • SHA256

      831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07

    • SHA512

      2fd750a088c637cca7317a6014fe875a6e66f10e15878195c0b13383038a16a07f8d1b78bfb48122982484f31870f1480ffd967c824610b6fcc74521e38ac040

    • SSDEEP

      98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS/:IuOpIddBi3V8Ojm7gWylM939Cm

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba payload

    • Blocklisted process makes network request

    • 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