General

  • Target

    f2b2282a889ead254365b72132d7afd29bd59efd3d60d5669e08f87a639c5ece

  • Size

    262KB

  • Sample

    220125-t135tsahcm

  • MD5

    bc40f27825365026cbec6c48b5ce10d9

  • SHA1

    aee0add1e95c97a9a3b659a9dbf490db66f60a05

  • SHA256

    f2b2282a889ead254365b72132d7afd29bd59efd3d60d5669e08f87a639c5ece

  • SHA512

    9a4720a3985c32017585c0fd72aa0ab8a2481f39effee8276eafa973a36890b92ffa355a97bea68038e1c8ff0f19fb84602747b8fdad417f6bd1ea95efd651bc

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

      f2b2282a889ead254365b72132d7afd29bd59efd3d60d5669e08f87a639c5ece

    • Size

      262KB

    • MD5

      bc40f27825365026cbec6c48b5ce10d9

    • SHA1

      aee0add1e95c97a9a3b659a9dbf490db66f60a05

    • SHA256

      f2b2282a889ead254365b72132d7afd29bd59efd3d60d5669e08f87a639c5ece

    • SHA512

      9a4720a3985c32017585c0fd72aa0ab8a2481f39effee8276eafa973a36890b92ffa355a97bea68038e1c8ff0f19fb84602747b8fdad417f6bd1ea95efd651bc

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

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

    • Executes dropped EXE

    • 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