General

  • Target

    82505dba411b0edbaf6048a87e981b565493b2702c6288e7474d71a9e194205c

  • Size

    4.1MB

  • Sample

    230326-rg8j4aag3s

  • MD5

    aec6fb21e2f175be6f47c7af0fca320c

  • SHA1

    e989730ac0a04bac64a3894c1c6a3b4eccc3669c

  • SHA256

    82505dba411b0edbaf6048a87e981b565493b2702c6288e7474d71a9e194205c

  • SHA512

    075ed0c636f2ee43b7cb60db6d1f764034ebb736d79fa872d15a21696ccc2be88b1ce91835caf9dfa057e10fe1296172128dcad1da364e77812595266b0d83dd

  • SSDEEP

    98304:VmBK0A75SeBxCWoYDzhR7nU3M2jSMFp3FUUEuMY:V4KD7tBxRZPhVU85MFpCtu1

Malware Config

Targets

    • Target

      82505dba411b0edbaf6048a87e981b565493b2702c6288e7474d71a9e194205c

    • Size

      4.1MB

    • MD5

      aec6fb21e2f175be6f47c7af0fca320c

    • SHA1

      e989730ac0a04bac64a3894c1c6a3b4eccc3669c

    • SHA256

      82505dba411b0edbaf6048a87e981b565493b2702c6288e7474d71a9e194205c

    • SHA512

      075ed0c636f2ee43b7cb60db6d1f764034ebb736d79fa872d15a21696ccc2be88b1ce91835caf9dfa057e10fe1296172128dcad1da364e77812595266b0d83dd

    • SSDEEP

      98304:VmBK0A75SeBxCWoYDzhR7nU3M2jSMFp3FUUEuMY:V4KD7tBxRZPhVU85MFpCtu1

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 WinMonFS driver.

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

MITRE ATT&CK Matrix ATT&CK v6

Execution

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

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks