General

  • Target

    8b0bc6d4b66528046bbb615a4749d3f8de40587632fc98e16264d39644f2839f

  • Size

    4.1MB

  • Sample

    230612-dhplqabc41

  • MD5

    d82f58a3a66392e427af0c1ed193a436

  • SHA1

    9400a04b6723f3c338dc783ee1f042c38b0ef7bb

  • SHA256

    8b0bc6d4b66528046bbb615a4749d3f8de40587632fc98e16264d39644f2839f

  • SHA512

    8fd988b26e6c15bb35820ee880fc910bd765d7a7cd0776c370133a236ce9b1f4d558f922efb538a9e98c5c5d5c3a49a0cf4df59b7ea1383152cb15b824913fdb

  • SSDEEP

    98304:pXhDTlaeN7+WIQy2uZFBRMNdD+S1O82s2jA3qPjPLFjEut3uNt+euu2TO+N8:pXXN7DvuZ5M7+v4AjLFgNt+euq

Malware Config

Targets

    • Target

      8b0bc6d4b66528046bbb615a4749d3f8de40587632fc98e16264d39644f2839f

    • Size

      4.1MB

    • MD5

      d82f58a3a66392e427af0c1ed193a436

    • SHA1

      9400a04b6723f3c338dc783ee1f042c38b0ef7bb

    • SHA256

      8b0bc6d4b66528046bbb615a4749d3f8de40587632fc98e16264d39644f2839f

    • SHA512

      8fd988b26e6c15bb35820ee880fc910bd765d7a7cd0776c370133a236ce9b1f4d558f922efb538a9e98c5c5d5c3a49a0cf4df59b7ea1383152cb15b824913fdb

    • SSDEEP

      98304:pXhDTlaeN7+WIQy2uZFBRMNdD+S1O82s2jA3qPjPLFjEut3uNt+euu2TO+N8:pXXN7DvuZ5M7+v4AjLFgNt+euq

    • 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

    • 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 v6

Execution

Command-Line Interface

1
T1059

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

4
T1112

Impair Defenses

1
T1562

Install Root Certificate

1
T1130

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks