Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b

  • Size

    4.2MB

  • Sample

    240419-wvt13sbf63

  • MD5

    e07ccfe73fe8e1be14ca339fd3505681

  • SHA1

    cadfce42783bab8f97b2ad7586518854ab06ef86

  • SHA256

    bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b

  • SHA512

    8fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978

  • SSDEEP

    98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCD:OAu+ENnjVyYiVNw4a

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b

    • Size

      4.2MB

    • MD5

      e07ccfe73fe8e1be14ca339fd3505681

    • SHA1

      cadfce42783bab8f97b2ad7586518854ab06ef86

    • SHA256

      bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b

    • SHA512

      8fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978

    • SSDEEP

      98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCD:OAu+ENnjVyYiVNw4a

    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