Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 20:48

General

  • Target

    file.exe

  • Size

    446KB

  • MD5

    bf87a376305099cac2ea13ff482ba319

  • SHA1

    8215ee2aed65897764ce557e4472092c6fb76636

  • SHA256

    8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031

  • SHA512

    59bf9b99b3cb6e30749cdb66e93c42481a61b6a6ea7e21ac6a52e6701aabb55faf169dcc87c21eed1dafcaa72c09df38f64d2a1c7545207fd49409cde02bd8ff

  • SSDEEP

    6144:coZe1DyEeam8WeaxWQnNpfpFkBSGKh9PXKyo9lDGLDlq5FXCnFk:cowByEeam8KxWUv0Srh9qQLRMSC

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 356
      2⤵
      • Program crash
      PID:3996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3976 -ip 3976
    1⤵
      PID:4544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3976-1-0x00000000026A0000-0x00000000027A0000-memory.dmp

      Filesize

      1024KB

    • memory/3976-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3976-3-0x0000000000400000-0x0000000002488000-memory.dmp

      Filesize

      32.5MB

    • memory/3976-4-0x0000000000400000-0x0000000002488000-memory.dmp

      Filesize

      32.5MB

    • memory/3976-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB