Analysis

  • max time kernel
    117s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    21-01-2022 23:44

General

  • Target

    67a63fdf13aa81b714cd3513b452afec88671ad5930535a158fa995c116e603b.dll

  • Size

    500KB

  • MD5

    06c113520b7c6b424f9525a67769c4fb

  • SHA1

    34d450fba9d83ee269fe1c3efe40e0fdd3e48375

  • SHA256

    67a63fdf13aa81b714cd3513b452afec88671ad5930535a158fa995c116e603b

  • SHA512

    0e88ac42465687b94b4a8a7a85a53a6aec87d66b87dffecead26edbcab4693fa02c6361f96f6d60fb70f82bc7fbda6c7ba405a46fb984e0444a9db76fa1722b5

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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\67a63fdf13aa81b714cd3513b452afec88671ad5930535a158fa995c116e603b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\67a63fdf13aa81b714cd3513b452afec88671ad5930535a158fa995c116e603b.dll,#1
      2⤵
        PID:3104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 700
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:636

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3104-117-0x0000000002FE0000-0x0000000002FE1000-memory.dmp

      Filesize

      4KB

    • memory/3104-118-0x00000000036E0000-0x00000000036F1000-memory.dmp

      Filesize

      68KB

    • memory/3104-119-0x0000000003720000-0x0000000003730000-memory.dmp

      Filesize

      64KB