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General

  • Target

    19f543508b49938952641b3d258d1a035e37c06d0ab235a7fa7f9eec7792467b

  • Size

    330KB

  • Sample

    231118-qhxnjsed35

  • MD5

    a450a36b6cc1810a557f16bb7612448f

  • SHA1

    95123691fc48aba02444a98505ae2e67168576a8

  • SHA256

    19f543508b49938952641b3d258d1a035e37c06d0ab235a7fa7f9eec7792467b

  • SHA512

    38e450642822008b3b6ab1b7ae8c66e91259035d2395c62056d6d66c09fb2a38cac55e014bdc6f9d00baa9cdf0539cae3e5c9d4a07c15ffdef65ce986a3c8d30

  • SSDEEP

    3072:n99xdXAythy6G8FK1Zyq0HWpT+crzuXV6qnE5Yfk1rtk5s0co5GOZRObzebpLkCd:9Oahy6G8FLqsWrKVB0Yfk1Ki0coKbKa

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/

rc4.i32
rc4.i32

Targets

    • Target

      19f543508b49938952641b3d258d1a035e37c06d0ab235a7fa7f9eec7792467b

    • Size

      330KB

    • MD5

      a450a36b6cc1810a557f16bb7612448f

    • SHA1

      95123691fc48aba02444a98505ae2e67168576a8

    • SHA256

      19f543508b49938952641b3d258d1a035e37c06d0ab235a7fa7f9eec7792467b

    • SHA512

      38e450642822008b3b6ab1b7ae8c66e91259035d2395c62056d6d66c09fb2a38cac55e014bdc6f9d00baa9cdf0539cae3e5c9d4a07c15ffdef65ce986a3c8d30

    • SSDEEP

      3072:n99xdXAythy6G8FK1Zyq0HWpT+crzuXV6qnE5Yfk1rtk5s0co5GOZRObzebpLkCd:9Oahy6G8FLqsWrKVB0Yfk1Ki0coKbKa

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Modifies Installed Components in the registry

    • Deletes itself

    • 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 v15

Tasks