Analysis
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max time kernel
130s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
23-09-2021 19:21
Static task
static1
Behavioral task
behavioral1
Sample
test.test.dll
Resource
win7v20210408
Behavioral task
behavioral2
Sample
test.test.dll
Resource
win10-en-20210920
General
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Target
test.test.dll
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Size
222KB
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MD5
539e0a32348f112da72bb7868fd5cfac
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SHA1
bcdfd82522a0a45af4e4064c7f509b29b8ea83ed
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SHA256
4545b601c6d8a636dce6597da6443dce45d11b48fcf668336bcdf12ffdc3e97e
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SHA512
d3b46706f1724bf9e4daf53461ebdcef607354b2d30608e9fe2cf33aa282eac7143071ac1e8712679f15bf72abf7454562f4179a90f5a6d61af5658cb3fe762d
Malware Config
Extracted
squirrelwaffle
pop.vicamtaynam.com/VtyiHAft
snsvidyapeeth.in/aXmo2Dr3
trinitytesttubebaby.com/QR2JvfE3Sv
iconskw.com/cqdPtAbZ
ebookchuyennganh.com/v9PMvQDxHK8W
alsader.net/BHdQaiQ9rt
avyanshglobal.com/6pYjPlqf
primahills-online.com/ypCiZn7tMx
antoniocastroycia.com.co/WHe08obY
apexbiotech.net/VQgunQ4t5Ue
vscm.in/V3tYKxDz
sinaloworx.co.za/3GilA8Eo3r
dancongnghe.xyz/yRByhX6J3REI
trajesuniformes.com.br/qQofZMaJm
fiorenzapaes.com.br/PGYpETW7
astetinternational.com/arW5e44Y7vzO
razisystem.ir/MqvvkX0cWvn
krishnaiti.org.in/rWA02HQY4
Signatures
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SquirrelWaffle is a simple downloader written in C++.
SquirrelWaffle.
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suricata: ET MALWARE Possible SQUIRRELWAFFLE Server Response
suricata: ET MALWARE Possible SQUIRRELWAFFLE Server Response
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suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)
suricata: ET MALWARE SQUIRRELWAFFLE Loader Activity (POST)
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suricata: ET MALWARE SQUIRRELWAFFLE Server Response
suricata: ET MALWARE SQUIRRELWAFFLE Server Response
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squirrelwaffle 1 IoCs
Squirrelwaffle Payload
resource yara_rule behavioral2/memory/3604-117-0x0000000010000000-0x0000000014030000-memory.dmp squirrelwaffle -
Blocklisted process makes network request 5 IoCs
flow pid Process 3 3604 rundll32.exe 5 3604 rundll32.exe 6 3604 rundll32.exe 7 3604 rundll32.exe 10 3604 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3716 wrote to memory of 3604 3716 rundll32.exe 70 PID 3716 wrote to memory of 3604 3716 rundll32.exe 70 PID 3716 wrote to memory of 3604 3716 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#12⤵
- Blocklisted process makes network request
PID:3604
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