General

  • Target

    toolspab3.exe

  • Size

    208KB

  • Sample

    240114-24ntbaedg6

  • MD5

    79d36a2a84827ac86f9e30d31cf5b5dd

  • SHA1

    01432852b4c3d1d1d17d45cde7bdbab0be214fce

  • SHA256

    55424ba52333947a5827238ff2b0905a9ae90c92fb7e9f0d165cbed47dffc47b

  • SHA512

    b0364ce3ca20f32846d2a5ca89cbc92113d52406907ca1c5918bf8d14f826dfa9f738c002a4efbb5ef7bbc30bf31f59d4285b1816d3f695d69cf0f2113ec1388

  • SSDEEP

    3072:RXNxbPxb1GXDbcqUkNO5LntzXCXKX24xVad5E0OtTn7922cDD:13bJb1GzPNMntSXnEad5etTn7o26

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      toolspab3.exe

    • Size

      208KB

    • MD5

      79d36a2a84827ac86f9e30d31cf5b5dd

    • SHA1

      01432852b4c3d1d1d17d45cde7bdbab0be214fce

    • SHA256

      55424ba52333947a5827238ff2b0905a9ae90c92fb7e9f0d165cbed47dffc47b

    • SHA512

      b0364ce3ca20f32846d2a5ca89cbc92113d52406907ca1c5918bf8d14f826dfa9f738c002a4efbb5ef7bbc30bf31f59d4285b1816d3f695d69cf0f2113ec1388

    • SSDEEP

      3072:RXNxbPxb1GXDbcqUkNO5LntzXCXKX24xVad5E0OtTn7922cDD:13bJb1GzPNMntSXnEad5etTn7o26

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks