General

  • Target

    55cbf86dbb5b1fe99a3502f383798cc15466454334df3bc4c3ffdfb95bc57c2f

  • Size

    264KB

  • Sample

    220125-tlvvxaaefk

  • MD5

    2c9c93a67aa6cbcb5fec425b62556148

  • SHA1

    cb981f95bb064332fb05c680bef4bac220e18a60

  • SHA256

    55cbf86dbb5b1fe99a3502f383798cc15466454334df3bc4c3ffdfb95bc57c2f

  • SHA512

    cc53ab8fd382dd05310cebfa474a0125b7072a8043551e34698eee60ad63b651ae2f19179197ee9c97093c0ebf551706b032877c4ab55163153f53bdc74d9c3a

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

      55cbf86dbb5b1fe99a3502f383798cc15466454334df3bc4c3ffdfb95bc57c2f

    • Size

      264KB

    • MD5

      2c9c93a67aa6cbcb5fec425b62556148

    • SHA1

      cb981f95bb064332fb05c680bef4bac220e18a60

    • SHA256

      55cbf86dbb5b1fe99a3502f383798cc15466454334df3bc4c3ffdfb95bc57c2f

    • SHA512

      cc53ab8fd382dd05310cebfa474a0125b7072a8043551e34698eee60ad63b651ae2f19179197ee9c97093c0ebf551706b032877c4ab55163153f53bdc74d9c3a

    • 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