Analysis

  • max time kernel
    165s
  • max time network
    185s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    21/01/2022, 23:05

General

  • Target
    d718b0e17e6dc671f63cf0e5740b377f351cdfba11dc17986f25bbdae0eaae6d.dll
  • Size 202KB
  • Sample220121-22y69scear
  • SHA256 d718b0e17e6dc671f63cf0e5740b377f351cdfba11dc17986f25bbdae0eaae6d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • squirrelwaffle

C2
  • http://pop.vicamtaynam.com/VtyiHAft

  • http://snsvidyapeeth.in/aXmo2Dr3

  • http://trinitytesttubebaby.com/QR2JvfE3Sv

  • http://iconskw.com/cqdPtAbZ

  • http://ebookchuyennganh.com/v9PMvQDxHK8W

  • http://alsader.net/BHdQaiQ9rt

  • http://avyanshglobal.com/6pYjPlqf

  • http://primahills-online.com/ypCiZn7tMx

  • http://antoniocastroycia.com.co/WHe08obY

  • http://apexbiotech.net/VQgunQ4t5Ue

  • http://vscm.in/V3tYKxDz

  • http://sinaloworx.co.za/3GilA8Eo3r

  • http://dancongnghe.xyz/yRByhX6J3REI

  • http://trajesuniformes.com.br/qQofZMaJm

  • http://fiorenzapaes.com.br/PGYpETW7

  • http://astetinternational.com/arW5e44Y7vzO

  • http://razisystem.ir/MqvvkX0cWvn

  • http://krishnaiti.org.in/rWA02HQY4

Signatures

  • SquirrelWaffle is a simple downloader written in C++.

    SquirrelWaffle.

  • suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)

    suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)

  • Squirrelwaffle Payload 1 IoCs
  • Blocklisted process makes network request 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d718b0e17e6dc671f63cf0e5740b377f351cdfba11dc17986f25bbdae0eaae6d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d718b0e17e6dc671f63cf0e5740b377f351cdfba11dc17986f25bbdae0eaae6d.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:3436

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3436-118-0x00000000047F0000-0x000000000880A000-memory.dmp

        memory/3436-119-0x0000000010000000-0x0000000014030000-memory.dmp