Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    ed27d68c4a1f241be9c0947f01bc27ec6bc1b6d6c2d8a4c03278a3d314052978

  • Size

    4.1MB

  • Sample

    240421-qafp3acd7s

  • MD5

    d12b1f6419e97ab16762d2b31d9988fa

  • SHA1

    75b784bb52ef4a58a6db1076ad018c8ca708456e

  • SHA256

    ed27d68c4a1f241be9c0947f01bc27ec6bc1b6d6c2d8a4c03278a3d314052978

  • SHA512

    91d6f86f6227b72117079bb43fb37e2a1e8c2c53c2f8ce35af8b147cac168c05c2d615a689cd85ca791e094fcd40b80d2de9d1f2766873f93a244b5d646c605e

  • SSDEEP

    98304:4upp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5b:V24wrgi8oddlbp

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      ed27d68c4a1f241be9c0947f01bc27ec6bc1b6d6c2d8a4c03278a3d314052978

    • Size

      4.1MB

    • MD5

      d12b1f6419e97ab16762d2b31d9988fa

    • SHA1

      75b784bb52ef4a58a6db1076ad018c8ca708456e

    • SHA256

      ed27d68c4a1f241be9c0947f01bc27ec6bc1b6d6c2d8a4c03278a3d314052978

    • SHA512

      91d6f86f6227b72117079bb43fb37e2a1e8c2c53c2f8ce35af8b147cac168c05c2d615a689cd85ca791e094fcd40b80d2de9d1f2766873f93a244b5d646c605e

    • SSDEEP

      98304:4upp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5b:V24wrgi8oddlbp

    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

    • Suspicious use of SetThreadContext

    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