General

  • Target

    2c009fefcf337b8b5e4f0249aeb1627d3a39934097cf5fea75b16c5aa9a7f374.exe

  • Size

    7.8MB

  • Sample

    240107-yqrfhadbfq

  • MD5

    981fb98bb6fa845c67ed22349e91867d

  • SHA1

    59ed889246126ea1b255b7bf391ef5198a4b6c7c

  • SHA256

    2c009fefcf337b8b5e4f0249aeb1627d3a39934097cf5fea75b16c5aa9a7f374

  • SHA512

    878d81e43347a1037c09295ca3d24b37826412442d81abc93db6d8b639939e45916480af8b471644dfdc00066604ef394a183612d823ea4fc5e09b13994ea120

  • SSDEEP

    98304:zI1V5yYHMXoJ141kYqgK0GLKhemxQbTmRJ5QhIylxox9XNrqp5VBu:EyQy2IkNOemxyePn

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      2c009fefcf337b8b5e4f0249aeb1627d3a39934097cf5fea75b16c5aa9a7f374.exe

    • Size

      7.8MB

    • MD5

      981fb98bb6fa845c67ed22349e91867d

    • SHA1

      59ed889246126ea1b255b7bf391ef5198a4b6c7c

    • SHA256

      2c009fefcf337b8b5e4f0249aeb1627d3a39934097cf5fea75b16c5aa9a7f374

    • SHA512

      878d81e43347a1037c09295ca3d24b37826412442d81abc93db6d8b639939e45916480af8b471644dfdc00066604ef394a183612d823ea4fc5e09b13994ea120

    • SSDEEP

      98304:zI1V5yYHMXoJ141kYqgK0GLKhemxQbTmRJ5QhIylxox9XNrqp5VBu:EyQy2IkNOemxyePn

    • BetaBot

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies firewall policy service

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • UAC bypass

    • Windows security bypass

    • Enumerates VirtualBox registry keys

    • Disables taskbar notifications via registry modification

    • Disables use of System Restore points

    • Downloads MZ/PE file

    • Looks for VMWare services registry key.

    • Modifies Windows Firewall

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks