Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:06

General

  • Target

    d41b920d8d5190fd8cefc8406e6a7ca169170fe4b75efddd88c39da2689cc350.dll

  • Size

    300KB

  • MD5

    662b8f8a684918958dfa112dc1e351be

  • SHA1

    a3fae1c3deeb3071b5e446d0a3546243d261e97c

  • SHA256

    d41b920d8d5190fd8cefc8406e6a7ca169170fe4b75efddd88c39da2689cc350

  • SHA512

    207ac0d2fdf90c84bd265fd9216110c48199663834242b2ea1091784d4b7d85df07c3ca8474f14b0a27039161452c3c108157c0d8bbddacae4dd406d2ac137bb

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\d41b920d8d5190fd8cefc8406e6a7ca169170fe4b75efddd88c39da2689cc350.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d41b920d8d5190fd8cefc8406e6a7ca169170fe4b75efddd88c39da2689cc350.dll,#1
      2⤵
        PID:1068

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1068-54-0x00000000751B1000-0x00000000751B3000-memory.dmp

      Filesize

      8KB

    • memory/1068-55-0x0000000000240000-0x0000000000263000-memory.dmp

      Filesize

      140KB

    • memory/1068-56-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB