squirrelwaffle | 7370d5a9b3ac43e12fb899b9b22f46c4e6564e884177f999c0f2bcad2e72d610

Analysis

max time kernel
128s
max time network
130s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 21:00

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General

Target

a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea.dll
Size

531KB
MD5

47c0e967f4efba7e10168c48b0547280
SHA1

57481c839e78f5da675a0442b079a850936c5115
SHA256

a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea
SHA512

3227b5cde15cd967cf8ef39e8ec00dc488bcc28e0d2fb81ffafce459dac0e035d195e42270f3a803ee178620559aeb23c4f3bc8545bb365bdb3a5419a74b9174

Score

10^/10

squirrelwaffle downloader suricata

Malware Config

Extracted

Family

squirrelwaffle

http://bostoncarservice.us/ttv8fU9U19

http://payparq-cloud-3513-01.com/bON7gU8BpvAU

http://luckysoxs.com/3FbCi7ej09p

http://payparq-cloud-8799-02.com/0yXFxtYs0Z

http://rjmholding.com/JKu3ByhTE

http://centroparquekrahmer.cl/iXIdCvMk5TD7

http://capaxion.cl/xigRVxm0X

http://bimcrea.cl/CRUKqDjn

http://payparq-cloud-8899-00.com/yeoXYV97

http://18pixels.org/mDZYHjiJi

http://e2eprocess.cl/EUsDZTqM

http://payparq.com/1DT7hrizVB

http://sammlerstore.pe/KKFuUiXVI5

Signatures

SquirrelWaffle is a simple downloader written in C++.
SquirrelWaffle.
downloader squirrelwaffle
suricata: ET MALWARE Possible SQUIRRELWAFFLE Server Response
suricata: ET MALWARE Possible SQUIRRELWAFFLE Server Response
suricata
suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)
suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)
suricata
suricata: ET MALWARE SQUIRRELWAFFLE Server Response
suricata: ET MALWARE SQUIRRELWAFFLE Server Response
suricata

Squirrelwaffle Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1332-117-0x0000000073390000-0x00000000733A0000-memory.dmp	squirrelwaffle
behavioral2/memory/1332-118-0x0000000073390000-0x0000000073D20000-memory.dmp	squirrelwaffle

Blocklisted process makes network request 4 IoCs

flow	pid	Process
29	1332	rundll32.exe
30	1332	rundll32.exe
31	1332	rundll32.exe
33	1332	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 1332	900	rundll32.exe	68
PID 900 wrote to memory of 1332	900	rundll32.exe	68
PID 900 wrote to memory of 1332	900	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:1332

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1332-116-0x0000000073390000-0x0000000073D20000-memory.dmp

Filesize
9.6MB

Download
memory/1332-117-0x0000000073390000-0x00000000733A0000-memory.dmp

Filesize
64KB

Download
memory/1332-119-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/1332-118-0x0000000073390000-0x0000000073D20000-memory.dmp

Filesize
9.6MB

Download