General

  • Target

    04ad6dff980adf0c8eb6570408f677448fb43b65ae7bcbed830e155301201187

  • Size

    318KB

  • Sample

    220129-avbzlshcbr

  • MD5

    e7d223d7731460991bf73b725e8c9a25

  • SHA1

    75ef13930b7560ed6f852f5fc498692506d71756

  • SHA256

    04ad6dff980adf0c8eb6570408f677448fb43b65ae7bcbed830e155301201187

  • SHA512

    e2f7ed696c408eebdb9204408df3657c809dbad15ebf1ebef6782fd67115196f070b9a64144e671e0b57a4b3596065f680ebda96b61f24d82a8d4b033fa7d297

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

      04ad6dff980adf0c8eb6570408f677448fb43b65ae7bcbed830e155301201187

    • Size

      318KB

    • MD5

      e7d223d7731460991bf73b725e8c9a25

    • SHA1

      75ef13930b7560ed6f852f5fc498692506d71756

    • SHA256

      04ad6dff980adf0c8eb6570408f677448fb43b65ae7bcbed830e155301201187

    • SHA512

      e2f7ed696c408eebdb9204408df3657c809dbad15ebf1ebef6782fd67115196f070b9a64144e671e0b57a4b3596065f680ebda96b61f24d82a8d4b033fa7d297

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Executes dropped EXE

    • Sets service image path in registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks