Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    f337cf7da6ad98ff33e43cb9bd4b19c06dd67729cb7060e598f6e3635a5a260e

  • Size

    4.2MB

  • Sample

    240419-aleddaca5w

  • MD5

    2778bfacebb905efb34751f3de951e7b

  • SHA1

    527a37124813985a3dca7156770f38cfecaa5109

  • SHA256

    f337cf7da6ad98ff33e43cb9bd4b19c06dd67729cb7060e598f6e3635a5a260e

  • SHA512

    fc7c130e17716f55944842210194da23f460cb48c4a6be7d4ecee230167686b0070f00ca528e7159d9b2f547eda808dd4acdc0b59b449cc36fae183001738e45

  • SSDEEP

    98304:3rGNAZv40pI4SrFjcVflF7BTWsX9UH/+iKk8u:dv4IrSZj2jrX9UH/+iKk8u

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      f337cf7da6ad98ff33e43cb9bd4b19c06dd67729cb7060e598f6e3635a5a260e

    • Size

      4.2MB

    • MD5

      2778bfacebb905efb34751f3de951e7b

    • SHA1

      527a37124813985a3dca7156770f38cfecaa5109

    • SHA256

      f337cf7da6ad98ff33e43cb9bd4b19c06dd67729cb7060e598f6e3635a5a260e

    • SHA512

      fc7c130e17716f55944842210194da23f460cb48c4a6be7d4ecee230167686b0070f00ca528e7159d9b2f547eda808dd4acdc0b59b449cc36fae183001738e45

    • SSDEEP

      98304:3rGNAZv40pI4SrFjcVflF7BTWsX9UH/+iKk8u:dv4IrSZj2jrX9UH/+iKk8u

    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