Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:11

General

  • Target

    c48540c91f7cafef33a0af7639cf033a3cdc9bf3735f9cd31f5325b1fcfa3f27.dll

  • Size

    295KB

  • MD5

    38a01972ed52ed73f95098f55f780bb0

  • SHA1

    d9901db760db3f3f22f7b4da3254fd5a1cb538ae

  • SHA256

    c48540c91f7cafef33a0af7639cf033a3cdc9bf3735f9cd31f5325b1fcfa3f27

  • SHA512

    0b03b0051b01c7cddddb44a1478d120827c60959d9f4dbdc64a8963ea67271c1d252afe09fafdc065ff59698357da5388d803131258cbd2e57c1661e4b9e9f47

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\c48540c91f7cafef33a0af7639cf033a3cdc9bf3735f9cd31f5325b1fcfa3f27.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c48540c91f7cafef33a0af7639cf033a3cdc9bf3735f9cd31f5325b1fcfa3f27.dll,#1
      2⤵
        PID:268

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/268-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

      Filesize

      8KB

    • memory/268-55-0x0000000000240000-0x0000000000263000-memory.dmp

      Filesize

      140KB

    • memory/268-56-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB