General

  • Target

    bd47a6c86b0088b8524db00c5c8e6ca98f9f798cf15ae447aeb789e881663676

  • Size

    318KB

  • Sample

    220126-apxn5aadhr

  • MD5

    9e5b2e4f56f3380389362b790aa17b44

  • SHA1

    7a2f8ee8e21dbf10f5bd84f538a6621dc32f8f84

  • SHA256

    bd47a6c86b0088b8524db00c5c8e6ca98f9f798cf15ae447aeb789e881663676

  • SHA512

    7207936d2e544e94016098a0aa07822c85d555eaea02d774631268c4f6c7a423bc686653e1a1b7d70b6d52bf3b7d1548ccc517dc1d5340b2f7f3b3514def2aa7

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

      bd47a6c86b0088b8524db00c5c8e6ca98f9f798cf15ae447aeb789e881663676

    • Size

      318KB

    • MD5

      9e5b2e4f56f3380389362b790aa17b44

    • SHA1

      7a2f8ee8e21dbf10f5bd84f538a6621dc32f8f84

    • SHA256

      bd47a6c86b0088b8524db00c5c8e6ca98f9f798cf15ae447aeb789e881663676

    • SHA512

      7207936d2e544e94016098a0aa07822c85d555eaea02d774631268c4f6c7a423bc686653e1a1b7d70b6d52bf3b7d1548ccc517dc1d5340b2f7f3b3514def2aa7

    • 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