Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:30

General

  • Target

    8ed766a294811e4b1f73ecdb4f2675b41cc50783b31e2c3b546715cbbf4ae5dc.dll

  • Size

    507KB

  • MD5

    f3a8b9bbe9e0e7c8b1e47b241feb0ea1

  • SHA1

    3aa5a1fefe4f4948dc578accb623c4fac5044820

  • SHA256

    8ed766a294811e4b1f73ecdb4f2675b41cc50783b31e2c3b546715cbbf4ae5dc

  • SHA512

    a843494ac8cb268adcb661f3a8e7c1b1c9b68aa001959c4e93b26cc356899da449e6c471b89694efdf351b47ddc64e763d72f053307539c1a54cc27816739837

Malware Config

Extracted

Family

squirrelwaffle

C2

http://acdlimited.com/2u6aW9Pfe

http://jornaldasoficinas.com/ZF8GKIGVDupL

http://orldofjain.com/lMsTA7tSYpe

http://altayaralsudani.net/SSUsPgb7PHgC

http://hoteloaktree.com/QthLWsZsVgb

http://aterwellnessinc.com/U7D0sswwp

http://sirifinco.com/Urbhq9wO50j

http://ordpress17.com/5WG6Z62sKWo

http://mohsinkhanfoundation.com/pcQLeLMbur

http://lendbiz.vn/xj3BhHtMbf

http://geosever.rs/ObHP1CHt

http://nuevainfotech.com/xCNyTjzkoe

http://dadabhoy.pk/m6rQE94U

http://111

http://sjgrand.lk/zvMYuQqEZj

http://erogholding.com/GFM1QcCFk

http://armordetailing.rs/lgfrZb4Re6WO

http://lefrenchwineclub.com/eRUGdDox

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\8ed766a294811e4b1f73ecdb4f2675b41cc50783b31e2c3b546715cbbf4ae5dc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ed766a294811e4b1f73ecdb4f2675b41cc50783b31e2c3b546715cbbf4ae5dc.dll,#1
      2⤵
        PID:1288

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1288-55-0x0000000075F81000-0x0000000075F83000-memory.dmp
      Filesize

      8KB

    • memory/1288-56-0x0000000000740000-0x00000000007BE000-memory.dmp
      Filesize

      504KB

    • memory/1288-57-0x0000000000130000-0x0000000000131000-memory.dmp
      Filesize

      4KB

    • memory/1288-58-0x0000000000220000-0x0000000000231000-memory.dmp
      Filesize

      68KB

    • memory/1288-59-0x0000000000250000-0x0000000000260000-memory.dmp
      Filesize

      64KB