Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    25dbeef08f038c9cfec26195ebe2a762d0f5bb0625d53e8dfa7283ead9e71aa2

  • Size

    4.1MB

  • Sample

    240421-qbm6jacd9z

  • MD5

    2d075e4be9e93a93169625a674513be0

  • SHA1

    4d00218e067be5a6345b2b4e47ffb5586cbf8c45

  • SHA256

    25dbeef08f038c9cfec26195ebe2a762d0f5bb0625d53e8dfa7283ead9e71aa2

  • SHA512

    ac2681c303f9145749c902ca36a1f2b6d299b591cd68970d33a883a43d79d9bac5d881c6e84b18117bcf4510cf20f95a9a3a708430155a99bb9efab8d973dfb0

  • SSDEEP

    98304:oupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5D:l24wrgi8oddlbJ

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      25dbeef08f038c9cfec26195ebe2a762d0f5bb0625d53e8dfa7283ead9e71aa2

    • Size

      4.1MB

    • MD5

      2d075e4be9e93a93169625a674513be0

    • SHA1

      4d00218e067be5a6345b2b4e47ffb5586cbf8c45

    • SHA256

      25dbeef08f038c9cfec26195ebe2a762d0f5bb0625d53e8dfa7283ead9e71aa2

    • SHA512

      ac2681c303f9145749c902ca36a1f2b6d299b591cd68970d33a883a43d79d9bac5d881c6e84b18117bcf4510cf20f95a9a3a708430155a99bb9efab8d973dfb0

    • SSDEEP

      98304:oupp3WUkLaIVxVQ5Lfi8+DAGSBgUwbhlmIRT0sLJ5D:l24wrgi8oddlbJ

    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

    • Suspicious use of SetThreadContext

    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