Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    849b9bd99fc46e195fdad244f958bc3c8aa099d11ee570771262d2cd85b6bbb3

  • Size

    4.1MB

  • Sample

    240421-nk4tjaac61

  • MD5

    6fbcdf1725497c60756e6544c3599c1a

  • SHA1

    94ff0da8c587ae90179b92f771d208dfabf9dbb7

  • SHA256

    849b9bd99fc46e195fdad244f958bc3c8aa099d11ee570771262d2cd85b6bbb3

  • SHA512

    d37d1a9f8353abe83b696b088afc5edcd2ae27c33fdbadee871a7e7c8f4a540ef6f13b88dcbab172561f7624a6cb3aba85c53c61510f41bdb15e6673ec7b139a

  • SSDEEP

    98304:Cb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGz:xBdQ1naH+hM1NF8Wz

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      849b9bd99fc46e195fdad244f958bc3c8aa099d11ee570771262d2cd85b6bbb3

    • Size

      4.1MB

    • MD5

      6fbcdf1725497c60756e6544c3599c1a

    • SHA1

      94ff0da8c587ae90179b92f771d208dfabf9dbb7

    • SHA256

      849b9bd99fc46e195fdad244f958bc3c8aa099d11ee570771262d2cd85b6bbb3

    • SHA512

      d37d1a9f8353abe83b696b088afc5edcd2ae27c33fdbadee871a7e7c8f4a540ef6f13b88dcbab172561f7624a6cb3aba85c53c61510f41bdb15e6673ec7b139a

    • SSDEEP

      98304:Cb4JZ188yFg2NHKKQqaBHENhLOMTEbJ8tA7UUJu481DBGz:xBdQ1naH+hM1NF8Wz

    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