Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    1e5a40aa11da1424dd7b7b45c3d91d86134c80fc3780882edef2947ab0900b9d

  • Size

    4.2MB

  • Sample

    240420-z8gvfsag9s

  • MD5

    d3d3f51de914bdf4a1251cdb4084e7a1

  • SHA1

    b4a3275b10f2995bdd7f07638cd10044a197bfdb

  • SHA256

    1e5a40aa11da1424dd7b7b45c3d91d86134c80fc3780882edef2947ab0900b9d

  • SHA512

    a91ee49301d74fbaf58ac888970a8a420646c2239a45268d5b911e0a93ba4c19ebe6dc625ef72b01de7304d88ec4c3bdcb721c004fb0663283fd9e365c1d9241

  • SSDEEP

    98304:SB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7OO:PTFmTI8qKjKFA4r+dAh7RQUL

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      1e5a40aa11da1424dd7b7b45c3d91d86134c80fc3780882edef2947ab0900b9d

    • Size

      4.2MB

    • MD5

      d3d3f51de914bdf4a1251cdb4084e7a1

    • SHA1

      b4a3275b10f2995bdd7f07638cd10044a197bfdb

    • SHA256

      1e5a40aa11da1424dd7b7b45c3d91d86134c80fc3780882edef2947ab0900b9d

    • SHA512

      a91ee49301d74fbaf58ac888970a8a420646c2239a45268d5b911e0a93ba4c19ebe6dc625ef72b01de7304d88ec4c3bdcb721c004fb0663283fd9e365c1d9241

    • SSDEEP

      98304:SB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7OO:PTFmTI8qKjKFA4r+dAh7RQUL

    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