Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f

  • Size

    4.1MB

  • Sample

    240516-x9c7jscg21

  • MD5

    afaa5225d213cb99063a5abbe26f6b1a

  • SHA1

    9b6339355b406f945214db35840da8211490b78d

  • SHA256

    cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f

  • SHA512

    df4c03f5318efbdefe8d900795477fd30315ca597d3afe6778777fd8b3667e49abd8280c89db79d52e342ef4900b80f2c138deb8e53dbcd811d60414abbf211f

  • SSDEEP

    98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2D:7rhn/yCBZkM+pB3dzS

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f

    • Size

      4.1MB

    • MD5

      afaa5225d213cb99063a5abbe26f6b1a

    • SHA1

      9b6339355b406f945214db35840da8211490b78d

    • SHA256

      cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f

    • SHA512

      df4c03f5318efbdefe8d900795477fd30315ca597d3afe6778777fd8b3667e49abd8280c89db79d52e342ef4900b80f2c138deb8e53dbcd811d60414abbf211f

    • SSDEEP

      98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2D:7rhn/yCBZkM+pB3dzS

    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