Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 15:32

General

  • Target

    364284b0b809c1decb53f61e1b78116dbee3d59f9af7dd3bf019e7a1aedea2be.dll

  • Size

    436KB

  • MD5

    378dad6feff672beffae9c9f88915321

  • SHA1

    73969f7d67e3ec59ec5244d24e12287b23a06f64

  • SHA256

    364284b0b809c1decb53f61e1b78116dbee3d59f9af7dd3bf019e7a1aedea2be

  • SHA512

    d3330de3e77793c8f03b14810b66955cd928b8a4fe6248bab5fc25fa0325b1a5629b894894bbbd5c8c18f127bfab6eaa731e010cc280b6c9ac4ca8c4d2b34fd3

Malware Config

Extracted

Family

squirrelwaffle

C2

http://deanandwilconstruction.com/UXEvfuIlhws

http://arimeto.lv/Nm70oAfwB

http://gitamschool.com/oZbs0Oqw7uv

http://eresourcesmoneymarket.com/JbVwdgaV6l

http://flyershipmanager.com/SGAsORYsywt

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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\364284b0b809c1decb53f61e1b78116dbee3d59f9af7dd3bf019e7a1aedea2be.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\364284b0b809c1decb53f61e1b78116dbee3d59f9af7dd3bf019e7a1aedea2be.dll,#1
      2⤵
        PID:1564

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1564-55-0x00000000756C1000-0x00000000756C3000-memory.dmp

      Filesize

      8KB

    • memory/1564-56-0x0000000001C10000-0x0000000001C81000-memory.dmp

      Filesize

      452KB

    • memory/1564-57-0x0000000000120000-0x0000000000121000-memory.dmp

      Filesize

      4KB

    • memory/1564-58-0x0000000000240000-0x0000000000254000-memory.dmp

      Filesize

      80KB

    • memory/1564-59-0x0000000000440000-0x0000000000452000-memory.dmp

      Filesize

      72KB