Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875

  • Size

    4.2MB

  • Sample

    240420-kadykscd83

  • MD5

    db5386b0017bea7240c4b49fdceb96ee

  • SHA1

    4588ec3be8b7440c7409db4f30aca4c59c1c942e

  • SHA256

    d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875

  • SHA512

    cefdbc037fc87487f177ef106aa3ab1a77f2ee8cfa73de922aeb3e4cf6a506e1801dea38e63b3010b4c8d5cf2047a97f1b9c84642df00a483023bca44b9086c2

  • SSDEEP

    98304:6S8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORb:7EcJzF4UNHqA/dsmoVS4YAf198

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875

    • Size

      4.2MB

    • MD5

      db5386b0017bea7240c4b49fdceb96ee

    • SHA1

      4588ec3be8b7440c7409db4f30aca4c59c1c942e

    • SHA256

      d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875

    • SHA512

      cefdbc037fc87487f177ef106aa3ab1a77f2ee8cfa73de922aeb3e4cf6a506e1801dea38e63b3010b4c8d5cf2047a97f1b9c84642df00a483023bca44b9086c2

    • SSDEEP

      98304:6S8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORb:7EcJzF4UNHqA/dsmoVS4YAf198

    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