General

  • Target

    77c71e8c9a49cda6f2427061865662e939a0aad3eee7429a0faff00005428628

  • Size

    303KB

  • Sample

    220521-gxx37aadh3

  • MD5

    4a4b2cd542d544ecdff2413a506a4878

  • SHA1

    f5a43fe3ddec82040a6508afa85626dcbbe0405e

  • SHA256

    77c71e8c9a49cda6f2427061865662e939a0aad3eee7429a0faff00005428628

  • SHA512

    456e9b18222bfa378dcb1654dc56da22f75bb81b48563af0fd5db10bc3685c1ac2923bf2660009ea453cf726087477760f8187f67ef54ae95516ebfc71836489

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

https://ny-city-mall.com/search.php

https://fresh-cars.net/search.php

rc4.i32
rc4.i32

Targets

    • Target

      77c71e8c9a49cda6f2427061865662e939a0aad3eee7429a0faff00005428628

    • Size

      303KB

    • MD5

      4a4b2cd542d544ecdff2413a506a4878

    • SHA1

      f5a43fe3ddec82040a6508afa85626dcbbe0405e

    • SHA256

      77c71e8c9a49cda6f2427061865662e939a0aad3eee7429a0faff00005428628

    • SHA512

      456e9b18222bfa378dcb1654dc56da22f75bb81b48563af0fd5db10bc3685c1ac2923bf2660009ea453cf726087477760f8187f67ef54ae95516ebfc71836489

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Process Discovery

1
T1057

Tasks