Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9dff3c60c2c8103c839c12cae26f002060be569deac7691b1b3a8d98bcc3af36

  • Size

    4.2MB

  • Sample

    240423-s48ztahf23

  • MD5

    e298142c1c1bf34e69feba3eabafa2cd

  • SHA1

    4d6ead780a19b276ad44b95322d6264b5649e540

  • SHA256

    9dff3c60c2c8103c839c12cae26f002060be569deac7691b1b3a8d98bcc3af36

  • SHA512

    9e8330b3f80aee84d1ac981a8806e8b938c7853a90836bd42b9a8802167b23e04bdac72cb69c5f1e2c9dbc659389a1336f9539aef4b963dff4400092120c29f9

  • SSDEEP

    98304:l+Gg6aXQ+/QyN9wV3/YhHbVpnwBVKjBiw+3St8Kxp:GXQwQ89A3/Y5DnwBWu3Q8KL

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9dff3c60c2c8103c839c12cae26f002060be569deac7691b1b3a8d98bcc3af36

    • Size

      4.2MB

    • MD5

      e298142c1c1bf34e69feba3eabafa2cd

    • SHA1

      4d6ead780a19b276ad44b95322d6264b5649e540

    • SHA256

      9dff3c60c2c8103c839c12cae26f002060be569deac7691b1b3a8d98bcc3af36

    • SHA512

      9e8330b3f80aee84d1ac981a8806e8b938c7853a90836bd42b9a8802167b23e04bdac72cb69c5f1e2c9dbc659389a1336f9539aef4b963dff4400092120c29f9

    • SSDEEP

      98304:l+Gg6aXQ+/QyN9wV3/YhHbVpnwBVKjBiw+3St8Kxp:GXQwQ89A3/Y5DnwBWu3Q8KL

    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