Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    1db84bb49a0b7ad45f484cab8b4b46bb600e9f032eea05b7be412f3aaf8cffc7

  • Size

    4.1MB

  • Sample

    240421-jx55xafa7s

  • MD5

    15e38cc270fba2fc47e9ddcd5363bc72

  • SHA1

    13308663b42dc93493fb51cbc785d5fc0c55294f

  • SHA256

    1db84bb49a0b7ad45f484cab8b4b46bb600e9f032eea05b7be412f3aaf8cffc7

  • SHA512

    a76e034c2a9c0c459654c9645e7b4dffb0039f5e19d4947f51dc9e4b288f7219dfa6107755c8ac3c0c837b6fda4281ae3969bc99e42aa96fd95420c55bc4c31c

  • SSDEEP

    98304:r4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrp:rWg+YEmQ7rBhUiZtgg2AB8elhzrp

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      1db84bb49a0b7ad45f484cab8b4b46bb600e9f032eea05b7be412f3aaf8cffc7

    • Size

      4.1MB

    • MD5

      15e38cc270fba2fc47e9ddcd5363bc72

    • SHA1

      13308663b42dc93493fb51cbc785d5fc0c55294f

    • SHA256

      1db84bb49a0b7ad45f484cab8b4b46bb600e9f032eea05b7be412f3aaf8cffc7

    • SHA512

      a76e034c2a9c0c459654c9645e7b4dffb0039f5e19d4947f51dc9e4b288f7219dfa6107755c8ac3c0c837b6fda4281ae3969bc99e42aa96fd95420c55bc4c31c

    • SSDEEP

      98304:r4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrp:rWg+YEmQ7rBhUiZtgg2AB8elhzrp

    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