Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b6647c93ebf5886eff5b71e6c6f139a0b0baabe25eebda06375de6ffaa63ab18

  • Size

    4.2MB

  • Sample

    240420-nmebnagb2v

  • MD5

    743693eb9cbfd7415ba57e886efd1683

  • SHA1

    2eb442c4752687b5a8d77f2a2358ed9f81794412

  • SHA256

    b6647c93ebf5886eff5b71e6c6f139a0b0baabe25eebda06375de6ffaa63ab18

  • SHA512

    72158e1302eebcf995c8e2d70c4c29e8240af83c583eb05bbe73cdda4713267ecfd1426ce6f3ba61877e598ed7cc52d1c61021472c189da1b25871b27d70e1af

  • SSDEEP

    98304:yExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR0:yMby0Sruak17xw5

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      b6647c93ebf5886eff5b71e6c6f139a0b0baabe25eebda06375de6ffaa63ab18

    • Size

      4.2MB

    • MD5

      743693eb9cbfd7415ba57e886efd1683

    • SHA1

      2eb442c4752687b5a8d77f2a2358ed9f81794412

    • SHA256

      b6647c93ebf5886eff5b71e6c6f139a0b0baabe25eebda06375de6ffaa63ab18

    • SHA512

      72158e1302eebcf995c8e2d70c4c29e8240af83c583eb05bbe73cdda4713267ecfd1426ce6f3ba61877e598ed7cc52d1c61021472c189da1b25871b27d70e1af

    • SSDEEP

      98304:yExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR0:yMby0Sruak17xw5

    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