General

  • Target

    00924a49c1fc68fa7b54e1cacdf19c93.bin

  • Size

    235KB

  • Sample

    240115-bcmttsfcd3

  • MD5

    00924a49c1fc68fa7b54e1cacdf19c93

  • SHA1

    391c74453d3c3a23ebc22e307a6f071bcc818c9e

  • SHA256

    ac78b4ea0e6ae2d971799e6505d937f15276df8f34a509983f423622fed31cf0

  • SHA512

    d1cccc99f3df6cc0676f2a6e86ad9dc1284d6312148f2a389622d50a4469e159122118c14b30462e3e5fac8d54400f08e14948658804905615abf584daf87a67

  • SSDEEP

    3072:RC2zySmwWaXJVCadJizA1KSB2JybTZS5ygptqwldE2fARvSL:RC2m6qaQMlLgpH7YSL

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

      00924a49c1fc68fa7b54e1cacdf19c93.bin

    • Size

      235KB

    • MD5

      00924a49c1fc68fa7b54e1cacdf19c93

    • SHA1

      391c74453d3c3a23ebc22e307a6f071bcc818c9e

    • SHA256

      ac78b4ea0e6ae2d971799e6505d937f15276df8f34a509983f423622fed31cf0

    • SHA512

      d1cccc99f3df6cc0676f2a6e86ad9dc1284d6312148f2a389622d50a4469e159122118c14b30462e3e5fac8d54400f08e14948658804905615abf584daf87a67

    • SSDEEP

      3072:RC2zySmwWaXJVCadJizA1KSB2JybTZS5ygptqwldE2fARvSL:RC2m6qaQMlLgpH7YSL

    • 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