General

  • Target

    ca389b38fb88de27d8e6782f9642d98989af618e7d1af4cd6b8e5fc8eed31186

  • Size

    263KB

  • Sample

    220124-vz54gagbgq

  • MD5

    5f8d526cc16823160c06593405a3b393

  • SHA1

    64b97251781b811078236469b999e61bde4563d0

  • SHA256

    ca389b38fb88de27d8e6782f9642d98989af618e7d1af4cd6b8e5fc8eed31186

  • SHA512

    ba5690e0b0288e9ca2d647a68f6927717ae77298e3037474386e2bbf3d0ea64c5f6be26bca4e9d995751291964ef8f5b6cea058b7c432dd7782890e91494f295

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

Extracted

Family

systembc

C2

5.39.221.47:4001

Targets

    • Target

      ca389b38fb88de27d8e6782f9642d98989af618e7d1af4cd6b8e5fc8eed31186

    • Size

      263KB

    • MD5

      5f8d526cc16823160c06593405a3b393

    • SHA1

      64b97251781b811078236469b999e61bde4563d0

    • SHA256

      ca389b38fb88de27d8e6782f9642d98989af618e7d1af4cd6b8e5fc8eed31186

    • SHA512

      ba5690e0b0288e9ca2d647a68f6927717ae77298e3037474386e2bbf3d0ea64c5f6be26bca4e9d995751291964ef8f5b6cea058b7c432dd7782890e91494f295

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets service image path in registry

MITRE ATT&CK Enterprise v6

Tasks