General

  • Target

    b235e9117da103f7ee40148ed47aaaeb.exe

  • Size

    289KB

  • Sample

    240112-mwn2safbh6

  • MD5

    b235e9117da103f7ee40148ed47aaaeb

  • SHA1

    69bf2c2680062134fcba12cdacff2fb9c762753a

  • SHA256

    f6957a035715b303925a5215f2f5b56933aaf0cb3307d3bf8826f2d35515c73f

  • SHA512

    31c149909fed3642c6052e0539072be2aa54b322c14be2ed2a1a66bcc72b9d89f53409179b389fa39cfef021950f575ea3e478050549cf04c33c836123d9ca21

  • SSDEEP

    6144:KecopGFVVrLpU7ZaEqaEtRbyaG/6x+eybRXMA:K+pGFfrlU7YEqNti6xybph

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

      b235e9117da103f7ee40148ed47aaaeb.exe

    • Size

      289KB

    • MD5

      b235e9117da103f7ee40148ed47aaaeb

    • SHA1

      69bf2c2680062134fcba12cdacff2fb9c762753a

    • SHA256

      f6957a035715b303925a5215f2f5b56933aaf0cb3307d3bf8826f2d35515c73f

    • SHA512

      31c149909fed3642c6052e0539072be2aa54b322c14be2ed2a1a66bcc72b9d89f53409179b389fa39cfef021950f575ea3e478050549cf04c33c836123d9ca21

    • SSDEEP

      6144:KecopGFVVrLpU7ZaEqaEtRbyaG/6x+eybRXMA:K+pGFfrlU7YEqNti6xybph

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Looks for VMWare services registry key.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks