Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:04

General

  • Target

    d8609d51a67ae6dad5b6953236bb59ca9563cdb00aaa746636225eda1a0fba98.dll

  • Size

    315KB

  • MD5

    9f24e3374fd1786b9f5246463413ec08

  • SHA1

    0575006428526121cc1b0382512b27d77a742026

  • SHA256

    d8609d51a67ae6dad5b6953236bb59ca9563cdb00aaa746636225eda1a0fba98

  • SHA512

    6f586650038f82e8620d44375f3f71b6851d3ef7d52af2516c7e4e714160f25b370db32a5d8f04235ff8a9cabe28836f7b108df4fd6465dbbc14b5eec169c948

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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8609d51a67ae6dad5b6953236bb59ca9563cdb00aaa746636225eda1a0fba98.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8609d51a67ae6dad5b6953236bb59ca9563cdb00aaa746636225eda1a0fba98.dll,#1
      2⤵
        PID:948

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/948-54-0x0000000076C91000-0x0000000076C93000-memory.dmp

      Filesize

      8KB

    • memory/948-55-0x00000000751C0000-0x000000007529F000-memory.dmp

      Filesize

      892KB

    • memory/948-56-0x0000000000160000-0x0000000000161000-memory.dmp

      Filesize

      4KB

    • memory/948-58-0x00000000751C0000-0x000000007529F000-memory.dmp

      Filesize

      892KB

    • memory/948-57-0x00000000751C0000-0x00000000751D0000-memory.dmp

      Filesize

      64KB