Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    48e5438a1cfaada0f67c6a37f478db9b7b1a9630fc8339322cc3e03a81533ac1

  • Size

    4.2MB

  • Sample

    240420-zh23pshe42

  • MD5

    e423d06991cd715a56ab5df374ad67ee

  • SHA1

    f4040f124b864a42d8cbdaa0274dfac9fad8243f

  • SHA256

    48e5438a1cfaada0f67c6a37f478db9b7b1a9630fc8339322cc3e03a81533ac1

  • SHA512

    e615bd7032315fcf5e42eb884216ba4130ec29e31189b9cb7da2c6479b24002dbc9df517b32fce0941113bf4b68a825bd87ab04545b62a087d3d57c851c4470e

  • SSDEEP

    98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzz:ZFYkS+E0uawLNQ+/9Bo7/j

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      48e5438a1cfaada0f67c6a37f478db9b7b1a9630fc8339322cc3e03a81533ac1

    • Size

      4.2MB

    • MD5

      e423d06991cd715a56ab5df374ad67ee

    • SHA1

      f4040f124b864a42d8cbdaa0274dfac9fad8243f

    • SHA256

      48e5438a1cfaada0f67c6a37f478db9b7b1a9630fc8339322cc3e03a81533ac1

    • SHA512

      e615bd7032315fcf5e42eb884216ba4130ec29e31189b9cb7da2c6479b24002dbc9df517b32fce0941113bf4b68a825bd87ab04545b62a087d3d57c851c4470e

    • SSDEEP

      98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzz:ZFYkS+E0uawLNQ+/9Bo7/j

    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