Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    88ab5f35c8a86fd4b3a1745172528ccb73c82f737b3911a0209017541f9efb32

  • Size

    4.2MB

  • Sample

    240420-ntk3sagc6x

  • MD5

    844a11e9bc6f5fffeddef2fd3c9ed6ca

  • SHA1

    eec16198f30798546443ac3db72e8784b9297ba8

  • SHA256

    88ab5f35c8a86fd4b3a1745172528ccb73c82f737b3911a0209017541f9efb32

  • SHA512

    bad07557e3e44657f7abcd99b0a7df39099fdf033bbf198d88d3e2b80965ca7e65e0857e92aec75e265a74670e17e21ba57f5cd978fb8fe2b5e58348da1d66bc

  • SSDEEP

    98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR3:KMby0Sruak17xwa

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      88ab5f35c8a86fd4b3a1745172528ccb73c82f737b3911a0209017541f9efb32

    • Size

      4.2MB

    • MD5

      844a11e9bc6f5fffeddef2fd3c9ed6ca

    • SHA1

      eec16198f30798546443ac3db72e8784b9297ba8

    • SHA256

      88ab5f35c8a86fd4b3a1745172528ccb73c82f737b3911a0209017541f9efb32

    • SHA512

      bad07557e3e44657f7abcd99b0a7df39099fdf033bbf198d88d3e2b80965ca7e65e0857e92aec75e265a74670e17e21ba57f5cd978fb8fe2b5e58348da1d66bc

    • SSDEEP

      98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nR3:KMby0Sruak17xwa

    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