General

  • Target

    b48773d15d2b3d75b90c045fc0e801bc7f20062281a0e2a8d7ac4e6364debe7c

  • Size

    268KB

  • Sample

    231013-1d6qrsbe5s

  • MD5

    1a32b483f1e2bea874f739753ee2f660

  • SHA1

    a967c5efee45bacd09ec4b661eb39871c9a36789

  • SHA256

    b48773d15d2b3d75b90c045fc0e801bc7f20062281a0e2a8d7ac4e6364debe7c

  • SHA512

    b804123cdf4ab07ff4694e8b5e44719e899b18fcbdbc1cb6625027785f927be6df16426ed22de5f911edbaa364a28d88d3f8e3cfa2f5db5b84a9f20adf79619c

  • SSDEEP

    3072:T/E/QMmXj/mpf5EbJKGnohmo827UobSWy3wTj2E5h6cccN/ZZ:w/+Xj/mR5IJamd2A7Wy3w/vf

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

      b48773d15d2b3d75b90c045fc0e801bc7f20062281a0e2a8d7ac4e6364debe7c

    • Size

      268KB

    • MD5

      1a32b483f1e2bea874f739753ee2f660

    • SHA1

      a967c5efee45bacd09ec4b661eb39871c9a36789

    • SHA256

      b48773d15d2b3d75b90c045fc0e801bc7f20062281a0e2a8d7ac4e6364debe7c

    • SHA512

      b804123cdf4ab07ff4694e8b5e44719e899b18fcbdbc1cb6625027785f927be6df16426ed22de5f911edbaa364a28d88d3f8e3cfa2f5db5b84a9f20adf79619c

    • SSDEEP

      3072:T/E/QMmXj/mpf5EbJKGnohmo827UobSWy3wTj2E5h6cccN/ZZ:w/+Xj/mR5IJamd2A7Wy3w/vf

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Modifies Installed Components in the registry

    • Deletes itself

    • Executes dropped EXE

    • 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