Overview

overview

10

Static

static

test.test.dll

windows7_x64

10

test.test.dll

windows10_x64

10

Resubmissions

29/09/2021, 16:05

210929-tjnc2sfcd810

21/09/2021, 11:19

210921-net25shcf93

Analysis

  • max time kernel
    116s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    29/09/2021, 16:05

Sharing

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General

  • Target
    test.test.dll
  • Size 439KB
  • Sample210929-tjnc2sfcd8
  • SHA256 64c044cb3ec26babdd17107b2aa6ded60b22473c4e2943e1fcc03df8bc2e0edb
  • MD5 SHA1 SHA512
Score
10/10
squirrelwaffledownloader

Malware Config

Extracted

Family

  • squirrelwaffle

C2

  • deanandwilconstruction.com/UXEvfuIlhws

  • arimeto.lv/Nm70oAfwB

  • gitamschool.com/oZbs0Oqw7uv

  • eresourcesmoneymarket.com/JbVwdgaV6l

  • 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.

    downloadersquirrelwaffle
  • squirrelwaffle 2 IoCs

    Squirrelwaffle Payload

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#1
      2⤵
        PID:2432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 688
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2800

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/2432-116-0x0000000000920000-0x0000000000921000-memory.dmp
          Download

          memory/2432-117-0x0000000002E10000-0x0000000002E24000-memory.dmp
          Download

          memory/2432-118-0x0000000004970000-0x0000000004982000-memory.dmp
          Download