General

  • Target

    990a6d8f565a8df63234c7a9faabe6ba.exe

  • Size

    290KB

  • Sample

    240112-mwnq1sfbh5

  • MD5

    990a6d8f565a8df63234c7a9faabe6ba

  • SHA1

    328558357bbbafd16fad998fabb4e03c328900e9

  • SHA256

    db726961f1431fd7343b23e90a146a7fd19233d4980815f2d68d50c36bc1175d

  • SHA512

    2ae5bc20ee6b6a91662cc3d49433c7354fb8a0f3bdfb224d5da2820e6e637fb886279d6fca0b17bafa5bf991dfa9a3a4179ae9f9ba09b3f8bb04f626ea8eeabe

  • SSDEEP

    3072:jec4fYwGFV04Lr70+sJiaUEvhqwuFVEYWQzkWl+tyYA5gi9/6NmJ5b4cQ4bRXp6h:jec43GFV04LNzEw9EYW8+lA/6+bRXMA

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

      990a6d8f565a8df63234c7a9faabe6ba.exe

    • Size

      290KB

    • MD5

      990a6d8f565a8df63234c7a9faabe6ba

    • SHA1

      328558357bbbafd16fad998fabb4e03c328900e9

    • SHA256

      db726961f1431fd7343b23e90a146a7fd19233d4980815f2d68d50c36bc1175d

    • SHA512

      2ae5bc20ee6b6a91662cc3d49433c7354fb8a0f3bdfb224d5da2820e6e637fb886279d6fca0b17bafa5bf991dfa9a3a4179ae9f9ba09b3f8bb04f626ea8eeabe

    • SSDEEP

      3072:jec4fYwGFV04Lr70+sJiaUEvhqwuFVEYWQzkWl+tyYA5gi9/6NmJ5b4cQ4bRXp6h:jec43GFV04LNzEw9EYW8+lA/6+bRXMA

    • BetaBot

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

    • Modifies firewall policy service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Sets file execution options 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 whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks