squirrelwaffle | 7370d5a9b3ac43e12fb899b9b22f46c4e6564e884177f999c0f2bcad2e72d610

Analysis

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

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea.dll
Size 531KB
Sample211021-ztscmsbfdn
SHA256 a4d7848d13ff3e7119820779f0c7267fdd0962116e41d926240b13a3403eeaea
MD5 47c0e967f4efba7e10168c48b0547280
SHA1 57481c839e78f5da675a0442b079a850936c5115
SHA512 3227b5cde15cd967cf8ef39e8ec00dc488bcc28e0d2fb81ffafce459dac0e035d195e42270f3a803ee178620559aeb23c4f3bc8545bb365bdb3a5419a74b9174
MD5 SHA1 SHA512

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

Loading Replay Monitor...

Downloads

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

Download

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

Download

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

Download

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

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads