Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1

  • Size

    4.2MB

  • Sample

    240420-kfw2cacf48

  • MD5

    4109730986692b2b95241858cdbd65e2

  • SHA1

    7c9c016bcbaeaf6202791f081c8eb7f04d2c1ffb

  • SHA256

    e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1

  • SHA512

    8f3f6f3b57169dd0ddd3190057db04935e8a7ca7442ae225f2c2563b61a4a321f7d8a4096da112226c8f8e1246a74aa40cfb73a775eeaef7c7af0a49462f63fa

  • SSDEEP

    98304:yS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORqq:jEcJzF4UNHqA/dsmoVS4YAf19i

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1

    • Size

      4.2MB

    • MD5

      4109730986692b2b95241858cdbd65e2

    • SHA1

      7c9c016bcbaeaf6202791f081c8eb7f04d2c1ffb

    • SHA256

      e5fcba1063b18c197278814a208690a9ab059ef1dc1d45d18b6953da4165b3e1

    • SHA512

      8f3f6f3b57169dd0ddd3190057db04935e8a7ca7442ae225f2c2563b61a4a321f7d8a4096da112226c8f8e1246a74aa40cfb73a775eeaef7c7af0a49462f63fa

    • SSDEEP

      98304:yS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORqq:jEcJzF4UNHqA/dsmoVS4YAf19i

    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