Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 13:08

General

  • Target

    1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe

  • Size

    303KB

  • MD5

    ceaa361db12c482e95a8b83e2de2af2f

  • SHA1

    7288d4cfcea6a4e478354bb15f06d3af82ec9cfc

  • SHA256

    1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593

  • SHA512

    94ca0bc39bbdc92672215daf4df1c9d5d9e288bb6097eb8a147bf3816dda1b992d971faa39ed0ee5daf1e4b2cbeaf3ff5a683834e66d47c474f6591d711a0fbb

  • SSDEEP

    3072:ZQzJkBHCgU0lpcWt+sNX2VYXSjNr6gYatNEnZnKZI6DOZWCwbUcP1KS:EkBPmWtt2rZYzyI6DOUCwb1Pw

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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\1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe
    "C:\Users\Admin\AppData\Local\Temp\1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 352
      2⤵
      • Program crash
      PID:3176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4344 -ip 4344
    1⤵
      PID:4848

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4344-1-0x0000000000CE0000-0x0000000000DE0000-memory.dmp
      Filesize

      1024KB

    • memory/4344-2-0x0000000000C90000-0x0000000000C9B000-memory.dmp
      Filesize

      44KB

    • memory/4344-3-0x0000000000400000-0x0000000000AF4000-memory.dmp
      Filesize

      7.0MB

    • memory/4344-4-0x0000000000400000-0x0000000000AF4000-memory.dmp
      Filesize

      7.0MB