General

  • Target

    a5a21be623dd12f9b48e021ea61d2f1385eb2929e115ed6b5afe2a0eae567fd7

  • Size

    3.9MB

  • Sample

    230129-w6r1vsad7x

  • MD5

    31cdfaecc20c78ec5122f2c4359f6e34

  • SHA1

    cd589c314b3d6b2d03d7c309a634c3b9dbf65155

  • SHA256

    a5a21be623dd12f9b48e021ea61d2f1385eb2929e115ed6b5afe2a0eae567fd7

  • SHA512

    89405962b2c271e2f78c4c4f89e72e9b04e0e4426896e043ffef1b82d165c3e28c019797bdca1e51022d90bd11cd87ab4dc6d911c4ea5d56064815476fbbb594

  • SSDEEP

    98304:JiW+nk7jyjg4cRvX29Pi7AQWOClQ2FVi44ksje:Jx+nM5o9gvoi/ksj

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      a5a21be623dd12f9b48e021ea61d2f1385eb2929e115ed6b5afe2a0eae567fd7

    • Size

      3.9MB

    • MD5

      31cdfaecc20c78ec5122f2c4359f6e34

    • SHA1

      cd589c314b3d6b2d03d7c309a634c3b9dbf65155

    • SHA256

      a5a21be623dd12f9b48e021ea61d2f1385eb2929e115ed6b5afe2a0eae567fd7

    • SHA512

      89405962b2c271e2f78c4c4f89e72e9b04e0e4426896e043ffef1b82d165c3e28c019797bdca1e51022d90bd11cd87ab4dc6d911c4ea5d56064815476fbbb594

    • SSDEEP

      98304:JiW+nk7jyjg4cRvX29Pi7AQWOClQ2FVi44ksje:Jx+nM5o9gvoi/ksj

    • 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