Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    89caa1ccff59ac365922bf9c5e204e8305c32af71d9aaf235ea245f11f0fc3ca

  • Size

    4.1MB

  • Sample

    240511-njat3agh92

  • MD5

    bb9c2da9b21a68cea93f90e0d981f1dd

  • SHA1

    77a6f7e50a734744220b170fcc9ffa26d90d3691

  • SHA256

    89caa1ccff59ac365922bf9c5e204e8305c32af71d9aaf235ea245f11f0fc3ca

  • SHA512

    b8d5c697da4741ac52df526ce7e5f44cb0057ae7655991a6aef5f6117b20fa2b5124518e525c9816f47512001304c49dac25cfab584eb4ab3521cd3db1854925

  • SSDEEP

    98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QT:6xq6ggrt/os9O/WxuFhK+AT

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      89caa1ccff59ac365922bf9c5e204e8305c32af71d9aaf235ea245f11f0fc3ca

    • Size

      4.1MB

    • MD5

      bb9c2da9b21a68cea93f90e0d981f1dd

    • SHA1

      77a6f7e50a734744220b170fcc9ffa26d90d3691

    • SHA256

      89caa1ccff59ac365922bf9c5e204e8305c32af71d9aaf235ea245f11f0fc3ca

    • SHA512

      b8d5c697da4741ac52df526ce7e5f44cb0057ae7655991a6aef5f6117b20fa2b5124518e525c9816f47512001304c49dac25cfab584eb4ab3521cd3db1854925

    • SSDEEP

      98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QT:6xq6ggrt/os9O/WxuFhK+AT

    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