Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    c9b81eb1ed1bb3d0b3c8ff4bb3c91bbbe84c810b926ca25ac63da394a4aa56d9

  • Size

    4.1MB

  • Sample

    240421-jxzm5afa6y

  • MD5

    23856c8ea6ac0ce1b2f983295e1d45c3

  • SHA1

    a5302373c7552092f3ceabfe744e6f808d7b1e00

  • SHA256

    c9b81eb1ed1bb3d0b3c8ff4bb3c91bbbe84c810b926ca25ac63da394a4aa56d9

  • SHA512

    2ab61a25e21d9feb815aa09d04988a2f50eba1abcdd7defc4fac2117978e16a5ff3158b8ea76b67b154d4c8927d9aad721b8f051c01871c735926062712e7fda

  • SSDEEP

    98304:D4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrj:TWg+YEmQ7rBhUiZtgg2AB8elhzrj

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      c9b81eb1ed1bb3d0b3c8ff4bb3c91bbbe84c810b926ca25ac63da394a4aa56d9

    • Size

      4.1MB

    • MD5

      23856c8ea6ac0ce1b2f983295e1d45c3

    • SHA1

      a5302373c7552092f3ceabfe744e6f808d7b1e00

    • SHA256

      c9b81eb1ed1bb3d0b3c8ff4bb3c91bbbe84c810b926ca25ac63da394a4aa56d9

    • SHA512

      2ab61a25e21d9feb815aa09d04988a2f50eba1abcdd7defc4fac2117978e16a5ff3158b8ea76b67b154d4c8927d9aad721b8f051c01871c735926062712e7fda

    • SSDEEP

      98304:D4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrj:TWg+YEmQ7rBhUiZtgg2AB8elhzrj

    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