Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b

  • Size

    4.2MB

  • Sample

    240419-x5r5xaea8t

  • MD5

    bc0f4a52cb76c2c3cf27bbe9f586e456

  • SHA1

    5e525173276349ad03a64f28eb98a39502c3f321

  • SHA256

    f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b

  • SHA512

    295ee4e4af66bbd098f34f2e605413316b2853384189377309e61dac593ec82f3c78cf375cc5ede68c671715ec23731d1d02c5c5bf890fe325d9e1b7eb005034

  • SSDEEP

    98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHej:5w6rquKXDtU1Y2GYniVjUHG

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b

    • Size

      4.2MB

    • MD5

      bc0f4a52cb76c2c3cf27bbe9f586e456

    • SHA1

      5e525173276349ad03a64f28eb98a39502c3f321

    • SHA256

      f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b

    • SHA512

      295ee4e4af66bbd098f34f2e605413316b2853384189377309e61dac593ec82f3c78cf375cc5ede68c671715ec23731d1d02c5c5bf890fe325d9e1b7eb005034

    • SSDEEP

      98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHej:5w6rquKXDtU1Y2GYniVjUHG

    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