Overview

overview

10

Static

static

www1.dll

windows7_x64

10

www1.dll

windows10_x64

10

Resubmissions

21/09/2021, 13:35

210921-qvmdcacceq10

16/09/2021, 14:37

210916-ry5vjagdhr8

Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21/09/2021, 13:35

Sharing

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General

  • Target
    www1.dll
  • Size 316KB
  • Sample210921-qvmdcacceq
  • SHA256 85d0b72fe822fd6c22827b4da1917d2c1f2d9faa838e003e78e533384ea80939
  • MD5 SHA1 SHA512
Score
10/10
squirrelwaffledownloader

Malware Config

Extracted

Family

  • squirrelwaffle

C2

  • spiritofprespa.com/9783Tci2SGF6

  • amjsys.com/RIZszf8vR

  • hrms.prodigygroupindia.com/SKyufGZV

  • centralfloridaasphalt.com/GCN0FChS

  • jhehosting.com/rUuKheB7

  • shoeclearanceoutlet.co.uk/46awDTJjI4l

  • kmslogistik.com/aS1mjTkJIy

  • bartek-lenart.pl/1bWJ57V9vx

  • voip.voipcallhub.com/ZVmfdGHs4T

  • mercyfoundationcio.org/XF9aQrXnakeG

  • key4net.com/a8A2kcc1J

  • chaturanga.groopy.com/mxN3lxZoVApc

  • voipcallhub.com/ilGht5r26

  • ems.prodigygroupindia.com/v5RvVJTz

  • novamarketing.com.pk/k8l36uus

  • lenartsa.webd.pro/fz16DjmKmHtl

  • lead.jhinfotech.co/YERjiAMaupaz

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

    211.107.25.121

    109.70.100.25

    185.67.82.114

    207.102.138.19

    204.101.161.14

    193.128.108.251

    111.7.100.17

Signatures

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

    SquirrelWaffle.

    downloadersquirrelwaffle
  • squirrelwaffle 2 IoCs

    Squirrelwaffle Payload

  • Blocklisted process makes network request 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\www1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\www1.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1496

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1496-115-0x0000000003480000-0x0000000003481000-memory.dmp
        Download

        memory/1496-116-0x0000000073950000-0x0000000073961000-memory.dmp
        Download

        memory/1496-117-0x0000000073950000-0x00000000739B2000-memory.dmp
        Download