Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4a729addd8ee4afc1f9491749a663806ccb077f53deda184c6eed21bda5ccaf4

  • Size

    4.1MB

  • Sample

    240519-bxlr9sbe69

  • MD5

    79c4b7b79965a19b16a9dc7371644238

  • SHA1

    17771e84fba4c0f9097bec8c3f93b2ea43795ddd

  • SHA256

    4a729addd8ee4afc1f9491749a663806ccb077f53deda184c6eed21bda5ccaf4

  • SHA512

    99bc7718b9d492b1a22023586ac7facbd2385d0b85d723efdf045d5b6ba336058c1cc414ab812bf042034faf0c5bf9743093426cdc0eeb68b27628083135542a

  • SSDEEP

    98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PF8:Bos8riuQnYS21lsngzdH/0g6

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      4a729addd8ee4afc1f9491749a663806ccb077f53deda184c6eed21bda5ccaf4

    • Size

      4.1MB

    • MD5

      79c4b7b79965a19b16a9dc7371644238

    • SHA1

      17771e84fba4c0f9097bec8c3f93b2ea43795ddd

    • SHA256

      4a729addd8ee4afc1f9491749a663806ccb077f53deda184c6eed21bda5ccaf4

    • SHA512

      99bc7718b9d492b1a22023586ac7facbd2385d0b85d723efdf045d5b6ba336058c1cc414ab812bf042034faf0c5bf9743093426cdc0eeb68b27628083135542a

    • SSDEEP

      98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PF8:Bos8riuQnYS21lsngzdH/0g6

    Score
    10/10
    gluptebadropperevasionexecutionloaderupxdiscoverypersistencerootkit

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Command and Control

Exfiltration

Impact

Tasks