squirrelwaffle | 6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b

Analysis

max time kernel
138s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
27-09-2021 12:50

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General

Target

test1.test.0.dr.dll
Size

235KB
MD5

8e37795097400f6a609525749d154cd0
SHA1

8e1502c2aa56e6a8c7c1d2c75f3946332a5bb8c0
SHA256

6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b
SHA512

c7453b8f50e557a5990ac3708931845eeb6dc2992cd907d5534733524f523226d8d013be6e09bb2b5210f6f5ad2303625f8998a5111d3b0925bb4228b6c9152a

Score

10^/10

squirrelwaffle downloader suricata

Malware Config

Extracted

Family

squirrelwaffle

acdlimited.com/2u6aW9Pfe

jornaldasoficinas.com/ZF8GKIGVDupL

orldofjain.com/lMsTA7tSYpe

altayaralsudani.net/SSUsPgb7PHgC

hoteloaktree.com/QthLWsZsVgb

aterwellnessinc.com/U7D0sswwp

sirifinco.com/Urbhq9wO50j

ordpress17.com/5WG6Z62sKWo

mohsinkhanfoundation.com/pcQLeLMbur

lendbiz.vn/xj3BhHtMbf

geosever.rs/ObHP1CHt

nuevainfotech.com/xCNyTjzkoe

dadabhoy.pk/m6rQE94U

111

sjgrand.lk/zvMYuQqEZj

erogholding.com/GFM1QcCFk

armordetailing.rs/lgfrZb4Re6WO

lefrenchwineclub.com/eRUGdDox

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 2 IoCs

Squirrelwaffle Payload

resource	yara_rule
behavioral2/memory/804-117-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/804-116-0x0000000010000000-0x0000000010010000-memory.dmp	squirrelwaffle

Blocklisted process makes network request 4 IoCs

flow	pid	Process
12	804	rundll32.exe
15	804	rundll32.exe
16	804	rundll32.exe
17	804	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 804	636	rundll32.exe	68
PID 636 wrote to memory of 804	636	rundll32.exe	68
PID 636 wrote to memory of 804	636	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.0.dr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.0.dr.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:804

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/804-115-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/804-117-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/804-116-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download