General

  • Target

    20b0328013726120508e2a619dc2386123b19d5e230f8aa8508e0a1746809cfe

  • Size

    4.3MB

  • Sample

    220612-nvjlcaedh7

  • MD5

    1ce83169b122051e4bee15a4d464d2a6

  • SHA1

    34b82c7c29a74d1c17216db237d4bad44eabc500

  • SHA256

    20b0328013726120508e2a619dc2386123b19d5e230f8aa8508e0a1746809cfe

  • SHA512

    5baae1586cc59c7abb4fc4d8f609aedf0f14f609a4b408fe66be0bb84b7e0c14c94b7780b403d200c1c8f3c7b73766d85387ebad0c27d937bc7ac520988a10c1

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      20b0328013726120508e2a619dc2386123b19d5e230f8aa8508e0a1746809cfe

    • Size

      4.3MB

    • MD5

      1ce83169b122051e4bee15a4d464d2a6

    • SHA1

      34b82c7c29a74d1c17216db237d4bad44eabc500

    • SHA256

      20b0328013726120508e2a619dc2386123b19d5e230f8aa8508e0a1746809cfe

    • SHA512

      5baae1586cc59c7abb4fc4d8f609aedf0f14f609a4b408fe66be0bb84b7e0c14c94b7780b403d200c1c8f3c7b73766d85387ebad0c27d937bc7ac520988a10c1

    • Glupteba

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

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

1
T1012

Command and Control

Web Service

1
T1102

Tasks