Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389

  • Size

    4.2MB

  • Sample

    240419-x83qtadd73

  • MD5

    9cc466c25987d9b6fb55e22f351f9608

  • SHA1

    71cc0a724fca10d32cb9b54b38acf2d6733e1133

  • SHA256

    9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389

  • SHA512

    6dd293f948f4678ed7e0a38c264f2e2ef768ef5b9c8f2f4b12625754549a6c93057c2f3a23b34a5d2c0a0a5f87f9eb1d0d752effb146499e5158397ae14dc6b6

  • SSDEEP

    98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeL:Jw6rquKXDtU1Y2GYniVjUH+

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389

    • Size

      4.2MB

    • MD5

      9cc466c25987d9b6fb55e22f351f9608

    • SHA1

      71cc0a724fca10d32cb9b54b38acf2d6733e1133

    • SHA256

      9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389

    • SHA512

      6dd293f948f4678ed7e0a38c264f2e2ef768ef5b9c8f2f4b12625754549a6c93057c2f3a23b34a5d2c0a0a5f87f9eb1d0d752effb146499e5158397ae14dc6b6

    • SSDEEP

      98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeL:Jw6rquKXDtU1Y2GYniVjUH+

    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