General

  • Target

    c226814ae19db524044c01641093716c32cf5bc763e52fc750aa919b74e68593

  • Size

    333KB

  • Sample

    220126-qvlrtadcal

  • MD5

    9346bf0c07dfbb8587c0ee3eaaad88f6

  • SHA1

    2ee8e4cee87b7d187e1c56a761ebe1d8cf0c53c0

  • SHA256

    c226814ae19db524044c01641093716c32cf5bc763e52fc750aa919b74e68593

  • SHA512

    c6fffa6c95fb3e49bc349a4c508109c17b8d5b2a4d2b6b03402861bfb3d36b75c2762811a7348ec0d9fadb071ea34a2dc037fec1219f4ec49b7d486d9a62be40

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

https://oakland-studio.video/search.php

https://seattle-university.video/search.php

rc4.i32
rc4.i32

Targets

    • Target

      c226814ae19db524044c01641093716c32cf5bc763e52fc750aa919b74e68593

    • Size

      333KB

    • MD5

      9346bf0c07dfbb8587c0ee3eaaad88f6

    • SHA1

      2ee8e4cee87b7d187e1c56a761ebe1d8cf0c53c0

    • SHA256

      c226814ae19db524044c01641093716c32cf5bc763e52fc750aa919b74e68593

    • SHA512

      c6fffa6c95fb3e49bc349a4c508109c17b8d5b2a4d2b6b03402861bfb3d36b75c2762811a7348ec0d9fadb071ea34a2dc037fec1219f4ec49b7d486d9a62be40

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

    • suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

    • Modifies Windows Firewall

    • Sets service image path in registry

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

5
T1082

Process Discovery

1
T1057

Tasks