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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21/01/2022, 23:49

General

  • Target

    5970db6c0bdefe4bf0a991c0c8c67633c5cc44af5a3203b709c242c8460a782e.dll

  • Size

    256KB

  • MD5

    99fcd17998659990b15b77423e7fc580

  • SHA1

    a78884c01f5188f0eb12eeb19bae04ace2348686

  • SHA256

    5970db6c0bdefe4bf0a991c0c8c67633c5cc44af5a3203b709c242c8460a782e

  • SHA512

    b5d88e7093fd72bae36ffb9e46727821049988ea16403c1899143d37f080399874726ae875f0ceb6f3d92e87c0421b018ce07258f07265644fe0493c5f2b8bb8

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\5970db6c0bdefe4bf0a991c0c8c67633c5cc44af5a3203b709c242c8460a782e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5970db6c0bdefe4bf0a991c0c8c67633c5cc44af5a3203b709c242c8460a782e.dll,#1
      2⤵
        PID:1108

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1108-55-0x0000000075421000-0x0000000075423000-memory.dmp

      Filesize

      8KB

    • memory/1108-56-0x0000000010000000-0x00000000100D6000-memory.dmp

      Filesize

      856KB

    • memory/1108-57-0x00000000000F0000-0x00000000000F1000-memory.dmp

      Filesize

      4KB

    • memory/1108-58-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/1108-59-0x0000000010000000-0x00000000100D6000-memory.dmp

      Filesize

      856KB