General

  • Target

    9ac3cdbb52dc74eae6b45a0789da8f14.exe

  • Size

    352KB

  • Sample

    240112-s3pvjsbdg3

  • MD5

    9ac3cdbb52dc74eae6b45a0789da8f14

  • SHA1

    5ab7a588422eeddeb2df7a23a51deae2cbf63c2c

  • SHA256

    577630ab8871c11387fde67ae8791d81f96e3d3ec8db98a58ed5346c59f51229

  • SHA512

    b4c37caf4dc9ddcf2685542b9cd650f157a82597f6d22b485697ab831595cb0af8fedf6d47d5152b9ca989302cea6df1e5afda46bf232c008e06c294f202f0fb

  • SSDEEP

    6144:vc/LRuQND5LnqTZfcOlmW+ys/fnC6BVC:E/9uQPnmZEufY

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

      9ac3cdbb52dc74eae6b45a0789da8f14.exe

    • Size

      352KB

    • MD5

      9ac3cdbb52dc74eae6b45a0789da8f14

    • SHA1

      5ab7a588422eeddeb2df7a23a51deae2cbf63c2c

    • SHA256

      577630ab8871c11387fde67ae8791d81f96e3d3ec8db98a58ed5346c59f51229

    • SHA512

      b4c37caf4dc9ddcf2685542b9cd650f157a82597f6d22b485697ab831595cb0af8fedf6d47d5152b9ca989302cea6df1e5afda46bf232c008e06c294f202f0fb

    • SSDEEP

      6144:vc/LRuQND5LnqTZfcOlmW+ys/fnC6BVC:E/9uQPnmZEufY

    • 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