Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    26e4871ea8517dc503f32d47da1b1d924b56c7f6602ae39e3ce323659dd4051a

  • Size

    4.2MB

  • Sample

    240419-hvnx6scd4s

  • MD5

    a37f7b3fac61ef0428718cefdf8eba41

  • SHA1

    0906f81cce2ee452fcbadec597c8b44b6e3eb5e3

  • SHA256

    26e4871ea8517dc503f32d47da1b1d924b56c7f6602ae39e3ce323659dd4051a

  • SHA512

    6a4d6e05f9ed3eead82299c967ac5084ded94da2bb72d92028edfd9bc8a9c7ac2d780fc8e106b3d125363db24d672324d8f570364f1aeed5e0231cccd6ec6aaf

  • SSDEEP

    98304:PNkDk7Y2e9fhWY+LbgLFpBVAayCN/CB0J4dlv7S/k29jp/46:Wk7LeNhW/+FpBVAa19Ce4dlv7wZ46

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      26e4871ea8517dc503f32d47da1b1d924b56c7f6602ae39e3ce323659dd4051a

    • Size

      4.2MB

    • MD5

      a37f7b3fac61ef0428718cefdf8eba41

    • SHA1

      0906f81cce2ee452fcbadec597c8b44b6e3eb5e3

    • SHA256

      26e4871ea8517dc503f32d47da1b1d924b56c7f6602ae39e3ce323659dd4051a

    • SHA512

      6a4d6e05f9ed3eead82299c967ac5084ded94da2bb72d92028edfd9bc8a9c7ac2d780fc8e106b3d125363db24d672324d8f570364f1aeed5e0231cccd6ec6aaf

    • SSDEEP

      98304:PNkDk7Y2e9fhWY+LbgLFpBVAayCN/CB0J4dlv7S/k29jp/46:Wk7LeNhW/+FpBVAa19Ce4dlv7wZ46

    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