Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b3b72ee5f75548ec5abc663e3c9b1531d94fd353923437a4d76c2f7b2c3eba98

  • Size

    4.2MB

  • Sample

    240420-1ar37sah7t

  • MD5

    1e13b50b8c4d708a6a19b9f75ebb9b98

  • SHA1

    17d26966bc196ae0226cc36559815ca1e3a0dd15

  • SHA256

    b3b72ee5f75548ec5abc663e3c9b1531d94fd353923437a4d76c2f7b2c3eba98

  • SHA512

    5e57068043a83296ec69e38f99b25feffc6c3d76e43fa2d5f2c6ecdca5fc01e101794ffc00bbe9321ebd2de79dea80d9d3b3745fb65e2eae58e2b16f82ed3c33

  • SSDEEP

    98304:qB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7OQ:3TFmTI8qKjKFA4r+dAh7RQUV

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      b3b72ee5f75548ec5abc663e3c9b1531d94fd353923437a4d76c2f7b2c3eba98

    • Size

      4.2MB

    • MD5

      1e13b50b8c4d708a6a19b9f75ebb9b98

    • SHA1

      17d26966bc196ae0226cc36559815ca1e3a0dd15

    • SHA256

      b3b72ee5f75548ec5abc663e3c9b1531d94fd353923437a4d76c2f7b2c3eba98

    • SHA512

      5e57068043a83296ec69e38f99b25feffc6c3d76e43fa2d5f2c6ecdca5fc01e101794ffc00bbe9321ebd2de79dea80d9d3b3745fb65e2eae58e2b16f82ed3c33

    • SSDEEP

      98304:qB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7OQ:3TFmTI8qKjKFA4r+dAh7RQUV

    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