Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f

  • Size

    4.2MB

  • Sample

    240419-wnderacb91

  • MD5

    58633c43f3b196c8d3118a4f91ba3c10

  • SHA1

    feb84dbd879d9060f87813fc3e9a71d34b8edaf3

  • SHA256

    5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f

  • SHA512

    086aa9e488095b0c8cc14785a05837654dfd078ce94d1b8c23402d65dbf90201aac9937cb1df1241cb8d33f08a757235fb0edb26a2bf14a0afafaf0c2dafe4c1

  • SSDEEP

    98304:dBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCA:WAu+ENnjVyYiVNw45

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f

    • Size

      4.2MB

    • MD5

      58633c43f3b196c8d3118a4f91ba3c10

    • SHA1

      feb84dbd879d9060f87813fc3e9a71d34b8edaf3

    • SHA256

      5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f

    • SHA512

      086aa9e488095b0c8cc14785a05837654dfd078ce94d1b8c23402d65dbf90201aac9937cb1df1241cb8d33f08a757235fb0edb26a2bf14a0afafaf0c2dafe4c1

    • SSDEEP

      98304:dBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCA:WAu+ENnjVyYiVNw45

    Score
    10/10
    gluptebadropperloaderdiscoveryevasionpersistencerootkitupx

    • 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