Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    32021f2fe63c84b0bff3d8e98f7863f29dbe1df783a76a0e0bb980da40ac64ce

  • Size

    4.2MB

  • Sample

    240425-lqhr5she5y

  • MD5

    d4b7a9d713dfc48768d17c211bfc81fc

  • SHA1

    9f68c947f595f4c43c041642caf0d4338c54a448

  • SHA256

    32021f2fe63c84b0bff3d8e98f7863f29dbe1df783a76a0e0bb980da40ac64ce

  • SHA512

    123533cf01877b18446d5e979d332be2da5a171b4bcde620845e6c66e5a83843729c52e51aca19f9d36e3c6babcf02c20fc21bd74c6dbe98a91a86c70e1e458b

  • SSDEEP

    98304:yHpMxDemVqIpADKfdGpiZF6VsUJaz5bqFpk/ef:wpKDzpjf8c3q/ff

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      32021f2fe63c84b0bff3d8e98f7863f29dbe1df783a76a0e0bb980da40ac64ce

    • Size

      4.2MB

    • MD5

      d4b7a9d713dfc48768d17c211bfc81fc

    • SHA1

      9f68c947f595f4c43c041642caf0d4338c54a448

    • SHA256

      32021f2fe63c84b0bff3d8e98f7863f29dbe1df783a76a0e0bb980da40ac64ce

    • SHA512

      123533cf01877b18446d5e979d332be2da5a171b4bcde620845e6c66e5a83843729c52e51aca19f9d36e3c6babcf02c20fc21bd74c6dbe98a91a86c70e1e458b

    • SSDEEP

      98304:yHpMxDemVqIpADKfdGpiZF6VsUJaz5bqFpk/ef:wpKDzpjf8c3q/ff

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba payload

    • Blocklisted process makes network request

    • 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