Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    e8b38fdf6934947bb7cb83fcf109263cae3bd843841b0c1aef4e95d4e378b3f9

  • Size

    4.1MB

  • Sample

    240516-lrnpsaef8w

  • MD5

    557786f50428dfeef92d382c0344fb1d

  • SHA1

    84e2fd21c1d1afe28c20550bdf8a2d8a1996a3f3

  • SHA256

    e8b38fdf6934947bb7cb83fcf109263cae3bd843841b0c1aef4e95d4e378b3f9

  • SHA512

    f8503b28202515e48602e815b7c80fe9bbc60ca41cc95c140b11271547b98915dbf5b9a96988af3c53d4211acd8a014234ef931795043cfc9e0242e10fab434c

  • SSDEEP

    98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5p:8r7OagDbOPW/F2k5tRZaLrv

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      e8b38fdf6934947bb7cb83fcf109263cae3bd843841b0c1aef4e95d4e378b3f9

    • Size

      4.1MB

    • MD5

      557786f50428dfeef92d382c0344fb1d

    • SHA1

      84e2fd21c1d1afe28c20550bdf8a2d8a1996a3f3

    • SHA256

      e8b38fdf6934947bb7cb83fcf109263cae3bd843841b0c1aef4e95d4e378b3f9

    • SHA512

      f8503b28202515e48602e815b7c80fe9bbc60ca41cc95c140b11271547b98915dbf5b9a96988af3c53d4211acd8a014234ef931795043cfc9e0242e10fab434c

    • SSDEEP

      98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5p:8r7OagDbOPW/F2k5tRZaLrv

    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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Command and Control

Exfiltration

Impact

Tasks