Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9535b56f4973b09e6ab86ccdc23e9736834820f3bd726b44a76a0fd8aac1e45a

  • Size

    4.2MB

  • Sample

    240420-ssjwjsca6z

  • MD5

    92740583eb800430b135668e08c20d78

  • SHA1

    55f03676aa01c120cb74370168d0d024b186838d

  • SHA256

    9535b56f4973b09e6ab86ccdc23e9736834820f3bd726b44a76a0fd8aac1e45a

  • SHA512

    5dafd5e8d421fdf426a2f256efc4f1427a92600308ccddc7731b987560ea0c8023d61868f557fd6d186a85c9ecad60f7b07ebbc567550ada042caa1869f99f92

  • SSDEEP

    49152:ZKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2S0:QOLEfT6eYBhfhWV+b2vbWNq2SbuhR5

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9535b56f4973b09e6ab86ccdc23e9736834820f3bd726b44a76a0fd8aac1e45a

    • Size

      4.2MB

    • MD5

      92740583eb800430b135668e08c20d78

    • SHA1

      55f03676aa01c120cb74370168d0d024b186838d

    • SHA256

      9535b56f4973b09e6ab86ccdc23e9736834820f3bd726b44a76a0fd8aac1e45a

    • SHA512

      5dafd5e8d421fdf426a2f256efc4f1427a92600308ccddc7731b987560ea0c8023d61868f557fd6d186a85c9ecad60f7b07ebbc567550ada042caa1869f99f92

    • SSDEEP

      49152:ZKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2S0:QOLEfT6eYBhfhWV+b2vbWNq2SbuhR5

    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