Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    7fc8b4582a287aa9b0d3cbdd1d59bc876176dab2bbf077302708d790cac9c749

  • Size

    4.1MB

  • Sample

    240427-kmcahsff31

  • MD5

    a52fe0b58597d8ab864567326d771ee8

  • SHA1

    43d5a568945712879550b57f2bdeae9ed43c474e

  • SHA256

    7fc8b4582a287aa9b0d3cbdd1d59bc876176dab2bbf077302708d790cac9c749

  • SHA512

    208b96314baeb38407aa0c1b9ebbeddebc820f9c5282270b03a986bb8c34d04bd13ca18d5082a3f5dd6752d46842b5572e567c9f6bc07d0a8f5ba80767172120

  • SSDEEP

    98304:RBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74d:RBQ8JjsJRJcupcUK8wlX7S

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      7fc8b4582a287aa9b0d3cbdd1d59bc876176dab2bbf077302708d790cac9c749

    • Size

      4.1MB

    • MD5

      a52fe0b58597d8ab864567326d771ee8

    • SHA1

      43d5a568945712879550b57f2bdeae9ed43c474e

    • SHA256

      7fc8b4582a287aa9b0d3cbdd1d59bc876176dab2bbf077302708d790cac9c749

    • SHA512

      208b96314baeb38407aa0c1b9ebbeddebc820f9c5282270b03a986bb8c34d04bd13ca18d5082a3f5dd6752d46842b5572e567c9f6bc07d0a8f5ba80767172120

    • SSDEEP

      98304:RBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74d:RBQ8JjsJRJcupcUK8wlX7S

    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