Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    85ca99f4504bac20558578ed58524b7a24cf3e12ff574fc3b290f2d98ab9393a

  • Size

    4.1MB

  • Sample

    240511-njrsksea5z

  • MD5

    ba50234acf5b288755d549babe81ed0f

  • SHA1

    27b1bb0e967cf0b0882599fa00a21b36a36c3c56

  • SHA256

    85ca99f4504bac20558578ed58524b7a24cf3e12ff574fc3b290f2d98ab9393a

  • SHA512

    6c0408dcf73ad99b92c76962a591f77cd861b322a7475cfa589ca2af5b7a9ab409404c51943e3bc2578ae986a35927bf3fb73489896ca706be8cad5a80848d6d

  • SSDEEP

    98304:daldxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QP:yxq6ggrt/os9O/WxuFhK+AP

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      85ca99f4504bac20558578ed58524b7a24cf3e12ff574fc3b290f2d98ab9393a

    • Size

      4.1MB

    • MD5

      ba50234acf5b288755d549babe81ed0f

    • SHA1

      27b1bb0e967cf0b0882599fa00a21b36a36c3c56

    • SHA256

      85ca99f4504bac20558578ed58524b7a24cf3e12ff574fc3b290f2d98ab9393a

    • SHA512

      6c0408dcf73ad99b92c76962a591f77cd861b322a7475cfa589ca2af5b7a9ab409404c51943e3bc2578ae986a35927bf3fb73489896ca706be8cad5a80848d6d

    • SSDEEP

      98304:daldxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QP:yxq6ggrt/os9O/WxuFhK+AP

    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