Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    109s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-10-2021 01:44

General

  • Target

    2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a.dll

  • Size

    506KB

  • MD5

    803768a34f7e59b8a9a2f3969624c47e

  • SHA1

    09a38940ef023929897fdc9c996de0b0f39116e2

  • SHA256

    2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a

  • SHA512

    21e4aa621360a4ec4a0c73fad494e133f2584f92d058a72772e390c7bf1e1ad3e4d0778e95b590c663fe5efed3cfbecb08d5e78e1216c1bfbef729062806722f

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\2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a.dll,#1
      2⤵
        PID:1228

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1228-60-0x0000000075891000-0x0000000075893000-memory.dmp

      Filesize

      8KB

    • memory/1228-61-0x0000000000240000-0x00000000002BE000-memory.dmp

      Filesize

      504KB

    • memory/1228-63-0x00000000001D0000-0x00000000001E1000-memory.dmp

      Filesize

      68KB

    • memory/1228-62-0x0000000000130000-0x0000000000131000-memory.dmp

      Filesize

      4KB

    • memory/1228-64-0x0000000000300000-0x0000000000310000-memory.dmp

      Filesize

      64KB