Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 15:20

General

  • Target

    3d6c14cf2ad05a9fd3ae82c699a2ae5701851bac04829ccc7459fbc96b468997.dll

  • Size

    489KB

  • MD5

    1c4d98b8f4088fcd0acfad86d3dd66a2

  • SHA1

    0c250ba26d5d86ac35888b405dbdd6977f5ef657

  • SHA256

    3d6c14cf2ad05a9fd3ae82c699a2ae5701851bac04829ccc7459fbc96b468997

  • SHA512

    bb2c486849d8b11de1caa4d128819a966e5fac859405e11a3608580fd3159d5ccaec86136ced5caab76fe20a7c04aad525b734d22b0739214c8e9dd614dc2e19

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\3d6c14cf2ad05a9fd3ae82c699a2ae5701851bac04829ccc7459fbc96b468997.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d6c14cf2ad05a9fd3ae82c699a2ae5701851bac04829ccc7459fbc96b468997.dll,#1
      2⤵
        PID:1524

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1524-54-0x0000000076911000-0x0000000076913000-memory.dmp

      Filesize

      8KB

    • memory/1524-55-0x0000000000260000-0x00000000002DE000-memory.dmp

      Filesize

      504KB

    • memory/1524-56-0x00000000000C0000-0x00000000000C1000-memory.dmp

      Filesize

      4KB

    • memory/1524-57-0x00000000007A0000-0x00000000007B1000-memory.dmp

      Filesize

      68KB

    • memory/1524-58-0x0000000000750000-0x0000000000760000-memory.dmp

      Filesize

      64KB