Resubmissions

24-09-2021 14:21

210924-rpcsdshca9 10

16-09-2021 14:45

210916-r477vagebj 8

Analysis

  • max time kernel
    132s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-09-2021 14:45

General

  • Target

    www2.bin.dll

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.

  • squirrelwaffle 2 IoCs

    Squirrelwaffle Payload

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\www2.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\www2.bin.dll,#1
      2⤵
        PID:1036

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1036-60-0x0000000000000000-mapping.dmp

    • memory/1036-61-0x00000000750C1000-0x00000000750C3000-memory.dmp

      Filesize

      8KB

    • memory/1036-63-0x0000000074630000-0x0000000074692000-memory.dmp

      Filesize

      392KB

    • memory/1036-62-0x0000000074630000-0x0000000074641000-memory.dmp

      Filesize

      68KB

    • memory/1036-64-0x0000000000180000-0x0000000000181000-memory.dmp

      Filesize

      4KB