General

  • Target

    bd25a7985cf82df98e5a22c414db8721f518ec0644d4e14fc39f26e72a8b02a9

  • Size

    222KB

  • Sample

    231012-rv2cyaea4x

  • MD5

    d3fa77e75c98071f54f9ff05bf1474f1

  • SHA1

    c8fd0d4a788837b1f27ffc40294afc3f69823d4f

  • SHA256

    bd25a7985cf82df98e5a22c414db8721f518ec0644d4e14fc39f26e72a8b02a9

  • SHA512

    6c6c7df4aad21f21585aa7295f999424403e2984cce56d742f11ca69e84659ebc40976413f80d913f2d977f75886085e59d84215564b0151d99d92d701b321fd

  • SSDEEP

    6144:r4FEL84Rdu9kS2JnyoSdFZN8KC0KuZYHWHXT:r42A4R89eyoSdFZN8KCmu2Hj

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

      bd25a7985cf82df98e5a22c414db8721f518ec0644d4e14fc39f26e72a8b02a9

    • Size

      222KB

    • MD5

      d3fa77e75c98071f54f9ff05bf1474f1

    • SHA1

      c8fd0d4a788837b1f27ffc40294afc3f69823d4f

    • SHA256

      bd25a7985cf82df98e5a22c414db8721f518ec0644d4e14fc39f26e72a8b02a9

    • SHA512

      6c6c7df4aad21f21585aa7295f999424403e2984cce56d742f11ca69e84659ebc40976413f80d913f2d977f75886085e59d84215564b0151d99d92d701b321fd

    • SSDEEP

      6144:r4FEL84Rdu9kS2JnyoSdFZN8KC0KuZYHWHXT:r42A4R89eyoSdFZN8KCmu2Hj

    • 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