General

  • Target
    SecuriteInfo.com.W32.AIDetect.malware1.13347.26113
  • Size 301KB
  • Sample210311-stvcv9m69j
  • SHA256 b9f3a45501f3b2bcff7c481546792f462bb2d49f06c8a7ed4b3599645c43f615
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2019

C2
  • http://10022020newfolder1002002131-service1002.space/

  • http://10022020newfolder1002002231-service1002.space/

  • http://10022020newfolder3100231-service1002.space/

  • http://10022020newfolder1002002431-service1002.space/

  • http://10022020newfolder1002002531-service1002.space/

  • http://10022020newfolder33417-01242510022020.space/

  • http://10022020test125831-service1002012510022020.space/

  • http://10022020test136831-service1002012510022020.space/

  • http://10022020test147831-service1002012510022020.space/

  • http://10022020test146831-service1002012510022020.space/

  • http://10022020test134831-service1002012510022020.space/

  • http://10022020est213531-service100201242510022020.ru/

  • http://10022020yes1t3481-service1002012510022020.ru/

  • http://10022020test13561-service1002012510022020.su/

  • http://10022020test14781-service1002012510022020.info/

  • http://10022020test13461-service1002012510022020.net/

  • http://10022020test15671-service1002012510022020.tech/

  • http://10022020test12671-service1002012510022020.online/

  • http://10022020utest1341-service1002012510022020.ru/

  • http://10022020uest71-service100201dom2510022020.ru/

rc4.i32
rc4.i32

Targets

    • Target
      SecuriteInfo.com.W32.AIDetect.malware1.13347.26113
    • Size 301KB
    • SHA256 b9f3a45501f3b2bcff7c481546792f462bb2d49f06c8a7ed4b3599645c43f615
    • MD5 SHA1 SHA512
    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Modifies Installed Components in the registry

    • Deletes itself

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks