Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea

  • Size

    4.1MB

  • Sample

    240421-j96bfafd2t

  • MD5

    4c6f173bfde7201139b06142976443af

  • SHA1

    98f0b0ecd57fab80ee49f0dd03d94635e0ab96d0

  • SHA256

    8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea

  • SHA512

    6f5501093edfd594dde7c8ed7eff5f2b0a4f1fe7068aa0bbc5e41d45869e24e1386e25ea4174cf3684ea80ef8c72c0e68c5289e8cb3f71a182d77b0425781f3f

  • SSDEEP

    98304:b4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrm:bWg+YEmQ7rBhUiZtgg2AB8elhzrm

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea

    • Size

      4.1MB

    • MD5

      4c6f173bfde7201139b06142976443af

    • SHA1

      98f0b0ecd57fab80ee49f0dd03d94635e0ab96d0

    • SHA256

      8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea

    • SHA512

      6f5501093edfd594dde7c8ed7eff5f2b0a4f1fe7068aa0bbc5e41d45869e24e1386e25ea4174cf3684ea80ef8c72c0e68c5289e8cb3f71a182d77b0425781f3f

    • SSDEEP

      98304:b4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrm:bWg+YEmQ7rBhUiZtgg2AB8elhzrm

    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

    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