Analysis

  • max time kernel
    157s
  • max time network
    170s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 15:02

General

  • Target

    4bfc09d8778add8c747270f83a46cacc222bceb8fee87dad1b152262be04ac14.dll

  • Size

    300KB

  • MD5

    aa69a5a760fa27550d69931bf5b0de07

  • SHA1

    8fefb35baa6ccb5fa2d0457e2b2e162c28b0f3b2

  • SHA256

    4bfc09d8778add8c747270f83a46cacc222bceb8fee87dad1b152262be04ac14

  • SHA512

    f107a9a8fbe3bfb0e35475bd193e01ccbb64919089c2f88f212c1b2f0d9330fd1373a8bac3a803013439fa60eeb0a3cf44c43800bd6be9a4412764d9e28e76f6

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
  • Blocklisted process makes network request 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bfc09d8778add8c747270f83a46cacc222bceb8fee87dad1b152262be04ac14.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bfc09d8778add8c747270f83a46cacc222bceb8fee87dad1b152262be04ac14.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:2744

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2744-118-0x0000000000510000-0x000000000065A000-memory.dmp
    Filesize

    1.3MB

  • memory/2744-119-0x0000000010000000-0x000000001004D000-memory.dmp
    Filesize

    308KB