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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21/01/2022, 23:22

General

  • Target

    a669aa3f77aa5413dde1ef8763898419334a20782dc9d9511c28446b84be9dd3.dll

  • Size

    310KB

  • MD5

    537a4c1e896045d158c7f0900056917d

  • SHA1

    7b67ecb201e6f031687a3724befa17dd6f40765a

  • SHA256

    a669aa3f77aa5413dde1ef8763898419334a20782dc9d9511c28446b84be9dd3

  • SHA512

    dbae52be5a4fc9af111526dc4cce14edf75b184d5c439c337e68589e176ef28da0a3d007ec896d9d93b8feac72d128d3ad107fa6ea946648c3841a890e98e16c

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\a669aa3f77aa5413dde1ef8763898419334a20782dc9d9511c28446b84be9dd3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a669aa3f77aa5413dde1ef8763898419334a20782dc9d9511c28446b84be9dd3.dll,#1
      2⤵
        PID:948

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/948-54-0x0000000076C91000-0x0000000076C93000-memory.dmp

      Filesize

      8KB

    • memory/948-55-0x0000000000190000-0x00000000001B3000-memory.dmp

      Filesize

      140KB

    • memory/948-56-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB