General

  • Target

    912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe

  • Size

    312KB

  • Sample

    240110-xjfjzsdgcr

  • MD5

    90eeb5315b502c2d9b425c7b1b7584ff

  • SHA1

    0567ab583958eb51a3e7bfb1847c57adeac19ac2

  • SHA256

    912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f

  • SHA512

    bc9fef18fcd245fc3c6c02eddcd6036e37fa06575bbac2c834f46752f2d0fdb2b1ba50bb2a4d758f9888c8a40838aee017f324ab705c89ae3a4d9ba5648f526c

  • SSDEEP

    3072:bjEaOZmdZLt0PrunvCXbdO4Qn1vRhiHLR9zBqxVC8WY6np5noiT9znCARTYFkc:biZILSPr4vIbdmliHLTzotEtT54Fk

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

      912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe

    • Size

      312KB

    • MD5

      90eeb5315b502c2d9b425c7b1b7584ff

    • SHA1

      0567ab583958eb51a3e7bfb1847c57adeac19ac2

    • SHA256

      912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f

    • SHA512

      bc9fef18fcd245fc3c6c02eddcd6036e37fa06575bbac2c834f46752f2d0fdb2b1ba50bb2a4d758f9888c8a40838aee017f324ab705c89ae3a4d9ba5648f526c

    • SSDEEP

      3072:bjEaOZmdZLt0PrunvCXbdO4Qn1vRhiHLR9zBqxVC8WY6np5noiT9znCARTYFkc:biZILSPr4vIbdmliHLTzotEtT54Fk

    • 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.

    • 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