Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    1aac2b0f958040cd44eb4b367f1e7274e4b1d6f856bf38aafb1fc3037d3a115c

  • Size

    4.1MB

  • Sample

    240421-jxye3afa6w

  • MD5

    becfba310b971125892bcbc120e8434a

  • SHA1

    23868832b367b6900c69fa103f50abad905c6851

  • SHA256

    1aac2b0f958040cd44eb4b367f1e7274e4b1d6f856bf38aafb1fc3037d3a115c

  • SHA512

    a18c42be2b23d82a340bc1a2db3f4904cfdac4138229eb2c517dba746eac060fb20df8ef6f7ea955b895e20e81ef3ea7243c7c546b609a69326400a6530004ea

  • SSDEEP

    98304:b4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzr+:bWg+YEmQ7rBhUiZtgg2AB8elhzr+

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      1aac2b0f958040cd44eb4b367f1e7274e4b1d6f856bf38aafb1fc3037d3a115c

    • Size

      4.1MB

    • MD5

      becfba310b971125892bcbc120e8434a

    • SHA1

      23868832b367b6900c69fa103f50abad905c6851

    • SHA256

      1aac2b0f958040cd44eb4b367f1e7274e4b1d6f856bf38aafb1fc3037d3a115c

    • SHA512

      a18c42be2b23d82a340bc1a2db3f4904cfdac4138229eb2c517dba746eac060fb20df8ef6f7ea955b895e20e81ef3ea7243c7c546b609a69326400a6530004ea

    • SSDEEP

      98304:b4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzr+:bWg+YEmQ7rBhUiZtgg2AB8elhzr+

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistenceupxrootkit

    • 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