General

  • Target

    cf5a70c2f7978229efebcca70f6d2053.bin

  • Size

    173KB

  • Sample

    240109-dx89nsdgek

  • MD5

    aefb8446a56e26881d4dbd3173f13cdb

  • SHA1

    bcf579f22d05f42c94d7e5286df34697c06f1aeb

  • SHA256

    40616ea47a6e503fb4314775d6ca25ae2d5c566807e0bd7b5584fcdd0b352401

  • SHA512

    050c69663cb6903657bf9a67812834a57a71b6697b7cbfad37c014d9f956bbfcca95337f0512b4e0b252ea29cf8c3487f63df0cd3f8972ad6980a0c3381464c2

  • SSDEEP

    3072:E+vzRHDNTaTL0Ii6CcMtBXZCvAicL7+NL5Sbm2Sm2RRjU4o7IWCyRn0fKDOftsMw:t7B85iNcMXIAfSL5t42MvJtRnMw

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74.exe

    • Size

      311KB

    • MD5

      cf5a70c2f7978229efebcca70f6d2053

    • SHA1

      b2eb3eb28b89c31ccd4f4c89edaa1ed6d5a233a4

    • SHA256

      0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74

    • SHA512

      7f16690701912b9d043113783827dfbfd2b89fee0b74e4a0bc38ee73535bd7a4bc23014eee1632196926109d4b5e37cb076df975149b422df7719db0af8f000b

    • SSDEEP

      3072:eQLtli/LX0eRJibugK7Onq8zVvV6nnOh7wZPO6VmRZcJfTK7KVDrc+B5f239+9Uz:eQLtwk47Oqq36nnwZKfTgYn79oUq

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Disables taskbar notifications via registry modification

    • Disables use of System Restore points

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks