Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:20

General

  • Target

    aa3ff385ea80149fddbc8dbec7b7a5cd4071da3dc6133dbe35efdc33a6db06b0.dll

  • Size

    318KB

  • MD5

    18e015758c96c940e1303d0be78d7630

  • SHA1

    b3548fedf1fe5cdfc143fec47fca3fdedf1ec312

  • SHA256

    aa3ff385ea80149fddbc8dbec7b7a5cd4071da3dc6133dbe35efdc33a6db06b0

  • SHA512

    8f7cf002d255ee20be5924be50c6e263a9cddc34d0c479a9ab0a3860b5ad4c114979bf7922ae755094a23546dd0f21f1d759742e3d8758cf987d67af4f47b6b0

Malware Config

Extracted

Family

squirrelwaffle

C2

http://atertreat.in/5iPPVRKPPX9

http://incentivaconsultores.com.co/55jHpKCc9DWy

http://cdelean.org/0qvbbmu9g

http://bazy.ps/M6SjrMSYC

http://sukmabali.com/ZXxcLYs3rzRQ

http://bugwilliam.tk/cbB56YrugdbW

http://bestbeatsgh.com/42D7OwuPen

http://krumaila.com/UZ4NdDoDh4Tu

http://razehub.com/NN70nExbtLO

http://arcb.ro/aHUUNxE3Me5

http://cfmi.tg/m40YS6gDO0

http://sweetlittle.mx/ZCXP0dT2h

http://alkimia-prod.com/nT0imyzmo

http://almexperts.co.za/fEoJ3pdWZbF

Signatures

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

    SquirrelWaffle.

  • Squirrelwaffle Payload 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa3ff385ea80149fddbc8dbec7b7a5cd4071da3dc6133dbe35efdc33a6db06b0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa3ff385ea80149fddbc8dbec7b7a5cd4071da3dc6133dbe35efdc33a6db06b0.dll,#1
      2⤵
        PID:852

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/852-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/852-56-0x0000000000130000-0x0000000000153000-memory.dmp

      Filesize

      140KB

    • memory/852-57-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB