Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 15:14

General

  • Target

    42ceb4c68a7d4eaf87843e10856d6dab0d749cc6de525af37c94d66f942b27bd.dll

  • Size

    206KB

  • MD5

    659aa828fa92a0864b4dd1bf9feef6a8

  • SHA1

    f7d5ad5957689c9617a1edfa8a1c3703ed2ce26d

  • SHA256

    42ceb4c68a7d4eaf87843e10856d6dab0d749cc6de525af37c94d66f942b27bd

  • SHA512

    e7ede9928dcef6530b71916d142e0970426b4bab8ae01a78c30c1a6bd4d6c0385fa14f9b5253c147532a6c688f8e8b2569fa808102b1285501e0bd53e22d1ece

Malware Config

Extracted

Family

squirrelwaffle

C2

http://hutraders.com/0eeUtmJf8O

http://goodartishard.com/0JXDM9kMwx

http://now.byteinsure.com/tnjUrmlhN

http://asceaub.com/Xl8UCLSU

http://colchonesmanzur.com/GjVgBnKaNIC

http://sistemasati.com/0SzGNkx6P

http://maldivehost.net/zLIisQRWZI9

http://lrdgon.org/l7r96tjAJ

http://binnawaz.com.pk/jhSZGWS76C

http://fhstorse.com/vJlgdjJnpIop

Signatures

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

    SquirrelWaffle.

  • Squirrelwaffle Payload 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\42ceb4c68a7d4eaf87843e10856d6dab0d749cc6de525af37c94d66f942b27bd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42ceb4c68a7d4eaf87843e10856d6dab0d749cc6de525af37c94d66f942b27bd.dll,#1
      2⤵
        PID:1552

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1552-54-0x0000000075601000-0x0000000075603000-memory.dmp

      Filesize

      8KB

    • memory/1552-55-0x00000000022D0000-0x00000000062EA000-memory.dmp

      Filesize

      64.1MB

    • memory/1552-56-0x0000000010000000-0x0000000014030000-memory.dmp

      Filesize

      64.2MB