Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cb2c965d6c8952a7f14778c325b613e14591106add4e21edea5f9cd5be46c491

  • Size

    4.2MB

  • Sample

    240423-xe1pcsag8y

  • MD5

    a313c167f617ca086d31778e64a687fc

  • SHA1

    8b5c7bf18357f12e857e3c2bc53dde41dde770d5

  • SHA256

    cb2c965d6c8952a7f14778c325b613e14591106add4e21edea5f9cd5be46c491

  • SHA512

    7e1cd1e8ab6c8263eb82a5f059045c64178d8c7065077d6bf33574d09d4d0aed32bb983a0501aa819216bf9c6f8098648adeba633704a24a13714fb05ac72de0

  • SSDEEP

    98304:yoLXUDNHz93Dv2SDo10StEtQ0zNL2UR2k1/HX:RUDNB72YVuEe0xC5uHX

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      cb2c965d6c8952a7f14778c325b613e14591106add4e21edea5f9cd5be46c491

    • Size

      4.2MB

    • MD5

      a313c167f617ca086d31778e64a687fc

    • SHA1

      8b5c7bf18357f12e857e3c2bc53dde41dde770d5

    • SHA256

      cb2c965d6c8952a7f14778c325b613e14591106add4e21edea5f9cd5be46c491

    • SHA512

      7e1cd1e8ab6c8263eb82a5f059045c64178d8c7065077d6bf33574d09d4d0aed32bb983a0501aa819216bf9c6f8098648adeba633704a24a13714fb05ac72de0

    • SSDEEP

      98304:yoLXUDNHz93Dv2SDo10StEtQ0zNL2UR2k1/HX:RUDNB72YVuEe0xC5uHX

    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