General

  • Target

    25df30e381933312aa3836a86fee1b15a6d68b14bb6119785ba4d80efbb4dea6

  • Size

    333KB

  • Sample

    220126-tc5nrafdb3

  • MD5

    12e707746b2e0b1147967738363b0bd3

  • SHA1

    1327e32b385ef5f676dd5ee67e2627cc46dca8b4

  • SHA256

    25df30e381933312aa3836a86fee1b15a6d68b14bb6119785ba4d80efbb4dea6

  • SHA512

    486b80df0d7e99eb06febed6c4a842b57d613d2f20b487d162fd7b09d858a43db11a09f765bf388b0df69999602642217388112d6bf15440f9828b3a8e8c01b3

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

      25df30e381933312aa3836a86fee1b15a6d68b14bb6119785ba4d80efbb4dea6

    • Size

      333KB

    • MD5

      12e707746b2e0b1147967738363b0bd3

    • SHA1

      1327e32b385ef5f676dd5ee67e2627cc46dca8b4

    • SHA256

      25df30e381933312aa3836a86fee1b15a6d68b14bb6119785ba4d80efbb4dea6

    • SHA512

      486b80df0d7e99eb06febed6c4a842b57d613d2f20b487d162fd7b09d858a43db11a09f765bf388b0df69999602642217388112d6bf15440f9828b3a8e8c01b3

    • 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