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Analysis

  • max time kernel
    117s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30/01/2022, 15:52

General

  • Target

    277c5272ac242f4f737cae075fe33b5793364090c55d9cf743e61e52a453daf6.dll

  • Size

    333KB

  • MD5

    ca91c16904dcf84520cd41417285f0bc

  • SHA1

    f261b0943ce84cd4ead5fdc73694bc2f6113c4f1

  • SHA256

    277c5272ac242f4f737cae075fe33b5793364090c55d9cf743e61e52a453daf6

  • SHA512

    c22c9bf6dadf6671465441a26ba1a0fe7d8d68bd6ab49087d10262e9c773cbe3baa2aa1bc328c3e990ea6f5e4b27f5b9411ed319fa28e76bdd89d3eea76f3c3a

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\277c5272ac242f4f737cae075fe33b5793364090c55d9cf743e61e52a453daf6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\277c5272ac242f4f737cae075fe33b5793364090c55d9cf743e61e52a453daf6.dll,#1
      2⤵
        PID:1248

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1248-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

      Filesize

      8KB

    • memory/1248-56-0x00000000001C0000-0x00000000001E3000-memory.dmp

      Filesize

      140KB

    • memory/1248-57-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB