General

  • Target

    2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5

  • Size

    300KB

  • Sample

    240112-23d8gsffdm

  • MD5

    8c6bef1a357f339aae97e1e29a5eb682

  • SHA1

    43da742dc3c195f703680ee5078c4a9ec77b92e0

  • SHA256

    2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5

  • SHA512

    35da85906b763230494a348d3f08ae21172f1680af940661d5dec51becb45b9f783eefc130f7611290a8cf4cfa263c195c0ca9152cb4c2f3e8e80a981f180931

  • SSDEEP

    6144:qLSLqSQSiZ9jlMWzLUeBPSGfTgYn79o6q:qLSmSiZ9jlMWXdP5n7a

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5

    • Size

      300KB

    • MD5

      8c6bef1a357f339aae97e1e29a5eb682

    • SHA1

      43da742dc3c195f703680ee5078c4a9ec77b92e0

    • SHA256

      2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5

    • SHA512

      35da85906b763230494a348d3f08ae21172f1680af940661d5dec51becb45b9f783eefc130f7611290a8cf4cfa263c195c0ca9152cb4c2f3e8e80a981f180931

    • SSDEEP

      6144:qLSLqSQSiZ9jlMWzLUeBPSGfTgYn79o6q:qLSmSiZ9jlMWXdP5n7a

    • 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