General

  • Target

    e9938f2d916c0fddd8230ac0241c4c42cf55ed5eb58e4b4ab6fb161000817559.exe

  • Size

    312KB

  • Sample

    240109-xfwrssgcej

  • MD5

    f9cd86ed372b9fda0ca24ed082b4a742

  • SHA1

    b9a7bc7e10d3a6272acb3646fb31f5f2672e54f0

  • SHA256

    e9938f2d916c0fddd8230ac0241c4c42cf55ed5eb58e4b4ab6fb161000817559

  • SHA512

    2ef77bf6bfacd8f31c587a4fad9da8e9067abe0dc670764cad020e8bfea68a17ea4483a6878a2a40c195f6c2ab93faa46cf9947440a47ccaeb774db5f823c5dd

  • SSDEEP

    3072:fjMaOxcaTL6oaxJ2Hhom98iQ0txmYej1/PXzVHDVN/c5/yiT9laARTYFkc:fqxnLlav2BFKytLk1XXzVjVEDT0Fk

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

      e9938f2d916c0fddd8230ac0241c4c42cf55ed5eb58e4b4ab6fb161000817559.exe

    • Size

      312KB

    • MD5

      f9cd86ed372b9fda0ca24ed082b4a742

    • SHA1

      b9a7bc7e10d3a6272acb3646fb31f5f2672e54f0

    • SHA256

      e9938f2d916c0fddd8230ac0241c4c42cf55ed5eb58e4b4ab6fb161000817559

    • SHA512

      2ef77bf6bfacd8f31c587a4fad9da8e9067abe0dc670764cad020e8bfea68a17ea4483a6878a2a40c195f6c2ab93faa46cf9947440a47ccaeb774db5f823c5dd

    • SSDEEP

      3072:fjMaOxcaTL6oaxJ2Hhom98iQ0txmYej1/PXzVHDVN/c5/yiT9laARTYFkc:fqxnLlav2BFKytLk1XXzVjVEDT0Fk

    • 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

MITRE ATT&CK Enterprise v15

Tasks