Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    25aa44bb991867e7a59febf084b0b38b613943b4ac0f0b4d0574318611522a4b

  • Size

    4.2MB

  • Sample

    240426-zn3w7aca37

  • MD5

    556769a811f4c28ed321fd159a6d74bf

  • SHA1

    75219e45d3acb34647562bc3ddef81749896714c

  • SHA256

    25aa44bb991867e7a59febf084b0b38b613943b4ac0f0b4d0574318611522a4b

  • SHA512

    3aaa037483c3ea9634371e1aa24fe06c3a484cd650af59463f6b5f1ba0681582e01e728bec225bc8d67f257e9bf43a5f82597220317b4af1d23fe0cf1f0919bd

  • SSDEEP

    98304:Vx1RyBW5eh1jvdHfL95CEfIBLRbKwJWZNSsbjNHIg:XfIvBT9wRBLRbbJ6NSsbZHD

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      25aa44bb991867e7a59febf084b0b38b613943b4ac0f0b4d0574318611522a4b

    • Size

      4.2MB

    • MD5

      556769a811f4c28ed321fd159a6d74bf

    • SHA1

      75219e45d3acb34647562bc3ddef81749896714c

    • SHA256

      25aa44bb991867e7a59febf084b0b38b613943b4ac0f0b4d0574318611522a4b

    • SHA512

      3aaa037483c3ea9634371e1aa24fe06c3a484cd650af59463f6b5f1ba0681582e01e728bec225bc8d67f257e9bf43a5f82597220317b4af1d23fe0cf1f0919bd

    • SSDEEP

      98304:Vx1RyBW5eh1jvdHfL95CEfIBLRbKwJWZNSsbjNHIg:XfIvBT9wRBLRbbJ6NSsbZHD

    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