Analysis

  • max time kernel
    130s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2022 20:04

General

  • Target

    167c4cd037260192c03ef9ae848c419b9d3286c268816d694ffc91f7ce380641.dll

  • Size

    532KB

  • MD5

    6a067040084936093fdecb5fcf0bdac3

  • SHA1

    9eea4dde7c830e95cb17c3d7009263cbb71d6b88

  • SHA256

    167c4cd037260192c03ef9ae848c419b9d3286c268816d694ffc91f7ce380641

  • SHA512

    0d9d01b2e9571508877ab744e11f5b7f820d9bdae7fb131b03a22cd47d4b1224c16da89594e1c6eaba56f6d6a90610fa7a56cae529c80b0c5b58ca67459ff7db

  • SSDEEP

    12288:0RrUk9Wnwhj27lkhYzFcxgqgZbFzmNhdBjmCc:0R4YWnwhj27l+YpcWzLzmHddjc

Malware Config

Extracted

Family

squirrelwaffle

C2

http://agora.360cyberlink.com/wpuDolwbH9c9

http://panel.betfredtakeaway.com/awJPDGElQ

http://believeinus.net/S6y8WsHm

http://onlinecourses.mirrainternationaluniversity.com/VnCSkt13PkuT

http://reward.tyrehamperpromotion.co.uk/GWJ3gHMtUdk

http://panels.betfredtakeaway.com/0PKIQI4OFxD

http://ambassade-mauritanie-rabat.net/hovwkJJaIt8

http://bitcoinup.bafflepoetry.org/uTyCcQUDkCX3

http://pwcgov-x.gq/doMZFSHYs

http://business-a.ml/lDyw7Vs3x

http://unifarma.com.br/6GREencD

http://digitalmaster.online/rgzce1W5g

http://patatec.com/OTfcXmew

http://megasoftsol.com/R26csFnDY

http://authentification.scanandrace.com/m1xwraBcBFN

http://new.actsgeneration.org/1vXSPxRR3bR

http://lagochapala.com.mx/DplUgNSqWfc

Attributes
  • blocklist

    94.46.179.80

    206.189.205.251

    88.242.66.45

    85.75.110.214

    87.104.3.136

    207.244.91.171

    49.230.88.160

    91.149.252.75

    91.149.252.88

    92.211.109.152

    178.0.250.168

    88.69.16.230

    95.223.77.160

    99.234.62.23

    2.206.105.223

    84.222.8.201

    89.183.239.142

    5.146.132.101

    77.7.60.154

    45.41.106.122

    45.74.72.13

    74.58.152.123

    88.87.68.197

    109.70.100.25

    185.67.82.114

    207.102.138.19

    204.101.161.14

    193.128.108.251

    111.7.100.17

    111.7.100.16

Signatures

  • SquirrelWaffle is a simple downloader written in C++.

    SquirrelWaffle.

  • Squirrelwaffle payload 1 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\167c4cd037260192c03ef9ae848c419b9d3286c268816d694ffc91f7ce380641.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\167c4cd037260192c03ef9ae848c419b9d3286c268816d694ffc91f7ce380641.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1032

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1032-55-0x0000000075501000-0x0000000075503000-memory.dmp

    Filesize

    8KB

  • memory/1032-56-0x00000000021E0000-0x00000000021EE000-memory.dmp

    Filesize

    56KB

  • memory/1032-57-0x0000000074C10000-0x0000000074C9A000-memory.dmp

    Filesize

    552KB