General

  • Target

    b83c559b04351fdebcbc5c9c5ff033cd783815bb6bd6ff4e4ffa9f953c49ee5e

  • Size

    333KB

  • Sample

    220126-fpt6wsgfcq

  • MD5

    b35fd6523045221e87128a6c132a75a8

  • SHA1

    993c1672f4ee6cecdb240473cf802e481b9d033d

  • SHA256

    b83c559b04351fdebcbc5c9c5ff033cd783815bb6bd6ff4e4ffa9f953c49ee5e

  • SHA512

    24cc1df4ef99c86d36f148613ff9859c434f0678323ec73ee27c75fb2018546993c4608bc478a90b734dd65389dcbcacc41e8e80e0a49291d073e7381e235916

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://abpa.at/upload/

http://emaratghajari.com/upload/

http://d7qw.cn/upload/

http://alumik-group.ru/upload/

http://zamkikurgan.ru/upload/

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

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

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Targets

    • Target

      b83c559b04351fdebcbc5c9c5ff033cd783815bb6bd6ff4e4ffa9f953c49ee5e

    • Size

      333KB

    • MD5

      b35fd6523045221e87128a6c132a75a8

    • SHA1

      993c1672f4ee6cecdb240473cf802e481b9d033d

    • SHA256

      b83c559b04351fdebcbc5c9c5ff033cd783815bb6bd6ff4e4ffa9f953c49ee5e

    • SHA512

      24cc1df4ef99c86d36f148613ff9859c434f0678323ec73ee27c75fb2018546993c4608bc478a90b734dd65389dcbcacc41e8e80e0a49291d073e7381e235916

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets service image path in registry

MITRE ATT&CK Matrix ATT&CK v6

Persistence

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

3
T1082

Tasks