General

  • Target

    82c53bcc0f9fd22a5e2e6b6d1e5dd7e6af6d6b538d6e2c7c100ac97cdda31d43

  • Size

    4.1MB

  • Sample

    240425-dlssjsed9t

  • MD5

    42119ae904d0c7f194fd376393a116da

  • SHA1

    5d40445d8b7a52453f9f675093b56ee416a22468

  • SHA256

    82c53bcc0f9fd22a5e2e6b6d1e5dd7e6af6d6b538d6e2c7c100ac97cdda31d43

  • SHA512

    ecec7df711d56acada4a55ce4bd9b7eb1619c239eedfcf0738332350fb0a54488cdb42d63f9d833f431040d865d6b93476ebbf13d962582f684f9c732f2648be

  • SSDEEP

    98304:87CpLvl2gnCy4H8kFlcOvbdf55r7akoa3qzyFow:TpLN258g3zR5Z5oav

Malware Config

Targets

    • Target

      82c53bcc0f9fd22a5e2e6b6d1e5dd7e6af6d6b538d6e2c7c100ac97cdda31d43

    • Size

      4.1MB

    • MD5

      42119ae904d0c7f194fd376393a116da

    • SHA1

      5d40445d8b7a52453f9f675093b56ee416a22468

    • SHA256

      82c53bcc0f9fd22a5e2e6b6d1e5dd7e6af6d6b538d6e2c7c100ac97cdda31d43

    • SHA512

      ecec7df711d56acada4a55ce4bd9b7eb1619c239eedfcf0738332350fb0a54488cdb42d63f9d833f431040d865d6b93476ebbf13d962582f684f9c732f2648be

    • SSDEEP

      98304:87CpLvl2gnCy4H8kFlcOvbdf55r7akoa3qzyFow:TpLN258g3zR5Z5oav

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

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

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks