Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 08:46

General

  • Target

    66f8672c1ff0d_lyla3334.exe

  • Size

    406KB

  • MD5

    e2d279a05ab5b654f96fe3d96801b2a4

  • SHA1

    a33b2fc8560ae87aa120fc3a9829f5b28034e70b

  • SHA256

    c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526

  • SHA512

    5874d7cd69d4ad9b98f7d96dcd59ce8d52a4bc860c2811850c5829253d57c477954650526b1633e8ed0ae3780a7b5ee1380f47fb3f0e0c40fca15e57f2764ad1

  • SSDEEP

    12288:wtjCzBdPMNBVh5GtjfJ8uq990UXNQUHl:qwMNBVNqk

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\66f8672c1ff0d_lyla3334.exe
    "C:\Users\Admin\AppData\Local\Temp\66f8672c1ff0d_lyla3334.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 356
      2⤵
      • Program crash
      PID:1704
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3280 -ip 3280
    1⤵
      PID:556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3280-1-0x0000000002690000-0x0000000002790000-memory.dmp

      Filesize

      1024KB

    • memory/3280-2-0x0000000002620000-0x000000000262B000-memory.dmp

      Filesize

      44KB

    • memory/3280-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3280-6-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3280-5-0x0000000002620000-0x000000000262B000-memory.dmp

      Filesize

      44KB

    • memory/3280-4-0x0000000000400000-0x000000000247D000-memory.dmp

      Filesize

      32.5MB