Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2024, 09:24

General

  • Target
    file.exe
  • Size 267KB
  • Sample240330-lc2cbscd6z
  • SHA256 083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
  • MD5 SHA1 SHA512 SSDEEP

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2244
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 352
      2⤵
      • Program crash
      PID:4440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2244 -ip 2244
    1⤵
      PID:4104
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1956 --field-trial-handle=2268,i,4334050275411101233,11484630688883830558,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2004

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            memory/2244-1-0x0000000000D80000-0x0000000000E80000-memory.dmp

            memory/2244-2-0x0000000002830000-0x000000000283B000-memory.dmp

            memory/2244-3-0x0000000000400000-0x0000000000AEC000-memory.dmp