General

  • Target

    745621e4b30c015a2c0eb83ae123751d568b7b1dcd07a7b663b450a8c19afeb4

  • Size

    357KB

  • Sample

    220128-b3yn1sefb5

  • MD5

    e7f6c208f1a3d40659c6e0bfdd7303c3

  • SHA1

    f4476dc9fe787ea54299bb1dfd914205095455f8

  • SHA256

    745621e4b30c015a2c0eb83ae123751d568b7b1dcd07a7b663b450a8c19afeb4

  • SHA512

    a4e0f410157af4e10bbafd28c40b430ee66c9313c82c672bebdde3973b2bb8d869b818690456d4dd2d1e0cde5f48dc588bea818ea66430d792b1c7bd7bb500ab

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Targets

    • Target

      745621e4b30c015a2c0eb83ae123751d568b7b1dcd07a7b663b450a8c19afeb4

    • Size

      357KB

    • MD5

      e7f6c208f1a3d40659c6e0bfdd7303c3

    • SHA1

      f4476dc9fe787ea54299bb1dfd914205095455f8

    • SHA256

      745621e4b30c015a2c0eb83ae123751d568b7b1dcd07a7b663b450a8c19afeb4

    • SHA512

      a4e0f410157af4e10bbafd28c40b430ee66c9313c82c672bebdde3973b2bb8d869b818690456d4dd2d1e0cde5f48dc588bea818ea66430d792b1c7bd7bb500ab

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Deletes itself

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks