Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b11e8b3fb9730767d6da7b99645c11e577afd21cc02fb17f1a53f60216c01bf8

  • Size

    4.1MB

  • Sample

    240519-1qkn3abf39

  • MD5

    f447c4d7756fa554f3d830aa62fdd6e7

  • SHA1

    f07117ec1e991ddf0fe0cc00b4558b3ab9ec6297

  • SHA256

    b11e8b3fb9730767d6da7b99645c11e577afd21cc02fb17f1a53f60216c01bf8

  • SHA512

    512ebbe70c6bc7eb17f86f3b7f1c885959afe3dc2e720e3f69ac614db2180fe1d023ede260241f1342f12dbaa6ee3cb82de580e1d9966fd12e93356cba363f5e

  • SSDEEP

    98304:UX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rf:UXPWAwQyCdJYw8Kggf

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      b11e8b3fb9730767d6da7b99645c11e577afd21cc02fb17f1a53f60216c01bf8

    • Size

      4.1MB

    • MD5

      f447c4d7756fa554f3d830aa62fdd6e7

    • SHA1

      f07117ec1e991ddf0fe0cc00b4558b3ab9ec6297

    • SHA256

      b11e8b3fb9730767d6da7b99645c11e577afd21cc02fb17f1a53f60216c01bf8

    • SHA512

      512ebbe70c6bc7eb17f86f3b7f1c885959afe3dc2e720e3f69ac614db2180fe1d023ede260241f1342f12dbaa6ee3cb82de580e1d9966fd12e93356cba363f5e

    • SSDEEP

      98304:UX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rf:UXPWAwQyCdJYw8Kggf

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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