General

  • Target

    4d7e2a4ab9f09783e56841978e10cb46

  • Size

    229KB

  • Sample

    240116-hq2y8sehap

  • MD5

    4d7e2a4ab9f09783e56841978e10cb46

  • SHA1

    ce52a86b7e843859f3284954d82ca239fe7e5eaf

  • SHA256

    63719285660c135f9b71eecf5e5da4a4684471b9041dd36d6ee8b7aede2922db

  • SHA512

    6d59e96fe4bc517a9696cb59c215fe6ddbb3f9f122e6f4586b764b4321055c2dc5c69a4a9d851ac7028bebe15dc5d20989bac8f6d4aefffaa2a521fc4d7dd7ea

  • SSDEEP

    3072:znqLS1HySqzJLBdUSJiA/1KvZY4O74WpsvxaEZEkVWRG1XRTNZ/9rkWgl+J:znwFBB74qExaeEAjNZlrk

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      4d7e2a4ab9f09783e56841978e10cb46

    • Size

      229KB

    • MD5

      4d7e2a4ab9f09783e56841978e10cb46

    • SHA1

      ce52a86b7e843859f3284954d82ca239fe7e5eaf

    • SHA256

      63719285660c135f9b71eecf5e5da4a4684471b9041dd36d6ee8b7aede2922db

    • SHA512

      6d59e96fe4bc517a9696cb59c215fe6ddbb3f9f122e6f4586b764b4321055c2dc5c69a4a9d851ac7028bebe15dc5d20989bac8f6d4aefffaa2a521fc4d7dd7ea

    • SSDEEP

      3072:znqLS1HySqzJLBdUSJiA/1KvZY4O74WpsvxaEZEkVWRG1XRTNZ/9rkWgl+J:znwFBB74qExaeEAjNZlrk

    • 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