Analysis

  • max time kernel
    75s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    27-09-2021 17:42

General

  • Target

    803768a34f7e59b8a9a2f3969624c47e.dll

  • Size

    506KB

  • MD5

    803768a34f7e59b8a9a2f3969624c47e

  • SHA1

    09a38940ef023929897fdc9c996de0b0f39116e2

  • SHA256

    2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a

  • SHA512

    21e4aa621360a4ec4a0c73fad494e133f2584f92d058a72772e390c7bf1e1ad3e4d0778e95b590c663fe5efed3cfbecb08d5e78e1216c1bfbef729062806722f

Malware Config

Extracted

Family

squirrelwaffle

C2

acdlimited.com/2u6aW9Pfe

jornaldasoficinas.com/ZF8GKIGVDupL

orldofjain.com/lMsTA7tSYpe

altayaralsudani.net/SSUsPgb7PHgC

hoteloaktree.com/QthLWsZsVgb

aterwellnessinc.com/U7D0sswwp

sirifinco.com/Urbhq9wO50j

ordpress17.com/5WG6Z62sKWo

mohsinkhanfoundation.com/pcQLeLMbur

lendbiz.vn/xj3BhHtMbf

geosever.rs/ObHP1CHt

nuevainfotech.com/xCNyTjzkoe

dadabhoy.pk/m6rQE94U

111

sjgrand.lk/zvMYuQqEZj

erogholding.com/GFM1QcCFk

armordetailing.rs/lgfrZb4Re6WO

lefrenchwineclub.com/eRUGdDox

Signatures

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

    SquirrelWaffle.

  • squirrelwaffle 2 IoCs

    Squirrelwaffle Payload

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
      2⤵
        PID:1588

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1588-54-0x0000000076961000-0x0000000076963000-memory.dmp

      Filesize

      8KB

    • memory/1588-55-0x00000000001D0000-0x000000000024E000-memory.dmp

      Filesize

      504KB

    • memory/1588-56-0x0000000000120000-0x0000000000121000-memory.dmp

      Filesize

      4KB

    • memory/1588-57-0x00000000002C0000-0x00000000002D1000-memory.dmp

      Filesize

      68KB

    • memory/1588-58-0x0000000000410000-0x0000000000420000-memory.dmp

      Filesize

      64KB