Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-04-2024 09:00

General

  • Target

    4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe

  • Size

    311KB

  • MD5

    204d683564be599027ba32ed8897842d

  • SHA1

    d96443e1c8e085d130a5dc6ec00a00516af1f57c

  • SHA256

    4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69

  • SHA512

    1bf0cd9d003ec6bf538e3d5e189c0f8230942d50a44f37e89d3a81be2a66b65169ecb58d503e3a17cd25b3cda2af93e6b877c4accea04260a83140ed3f742869

  • SSDEEP

    3072:n1Et3irRpiJFyw043mc8+i0+f4mmpbUPgkVhxEUxtK4SeI/QOQtUHERow6I7Ild:HwJFuhuYmmPn3ta2t8ER761d

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • 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\4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe
    "C:\Users\Admin\AppData\Local\Temp\4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 384
      2⤵
      • Program crash
      PID:5020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3884 -ip 3884
    1⤵
      PID:3876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3884-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp
      Filesize

      1024KB

    • memory/3884-2-0x0000000003720000-0x000000000372B000-memory.dmp
      Filesize

      44KB

    • memory/3884-3-0x0000000000400000-0x0000000001A19000-memory.dmp
      Filesize

      22.1MB