Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8

  • Size

    4.2MB

  • Sample

    240419-rcy5vseb89

  • MD5

    1464a85c07151d5c6a8d2df2e0d77234

  • SHA1

    00541aea9d9cc6dbb41516d5950a5e977f8d693b

  • SHA256

    587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8

  • SHA512

    588800de348f85980a2193b9d02539fdb62c4f1b09358d46fe925698504a475f7c37b946eb9ea874aedb9fde56c884822d134404b3c22f8690f6428499a01ff8

  • SSDEEP

    98304:Du15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVY+:DaARFuKJWhQkavn//blllQdNaFDGX5

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8

    • Size

      4.2MB

    • MD5

      1464a85c07151d5c6a8d2df2e0d77234

    • SHA1

      00541aea9d9cc6dbb41516d5950a5e977f8d693b

    • SHA256

      587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8

    • SHA512

      588800de348f85980a2193b9d02539fdb62c4f1b09358d46fe925698504a475f7c37b946eb9ea874aedb9fde56c884822d134404b3c22f8690f6428499a01ff8

    • SSDEEP

      98304:Du15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVY+:DaARFuKJWhQkavn//blllQdNaFDGX5

    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