squirrelwaffle | 6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2023 04:13

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General

Target

6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll
Size

235KB
MD5

8e37795097400f6a609525749d154cd0
SHA1

8e1502c2aa56e6a8c7c1d2c75f3946332a5bb8c0
SHA256

6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b
SHA512

c7453b8f50e557a5990ac3708931845eeb6dc2992cd907d5534733524f523226d8d013be6e09bb2b5210f6f5ad2303625f8998a5111d3b0925bb4228b6c9152a
SSDEEP

3072:CmmeuJ6jkhHVFpvq69D6UkqGFpMdsiOXdaygQ6YToG+rt:BmRJAkbFJqVvBpMZOcQ3Gt

Score

10^/10

squirrelwaffle downloader

Malware Config

Extracted

Family

squirrelwaffle

http://acdlimited.com/2u6aW9Pfe

http://jornaldasoficinas.com/ZF8GKIGVDupL

http://orldofjain.com/lMsTA7tSYpe

http://altayaralsudani.net/SSUsPgb7PHgC

http://hoteloaktree.com/QthLWsZsVgb

http://aterwellnessinc.com/U7D0sswwp

http://sirifinco.com/Urbhq9wO50j

http://ordpress17.com/5WG6Z62sKWo

http://mohsinkhanfoundation.com/pcQLeLMbur

http://lendbiz.vn/xj3BhHtMbf

http://geosever.rs/ObHP1CHt

http://nuevainfotech.com/xCNyTjzkoe

http://dadabhoy.pk/m6rQE94U

http://111

http://sjgrand.lk/zvMYuQqEZj

http://erogholding.com/GFM1QcCFk

http://armordetailing.rs/lgfrZb4Re6WO

http://lefrenchwineclub.com/eRUGdDox

Signatures

SquirrelWaffle is a simple downloader written in C++.
SquirrelWaffle.
downloader squirrelwaffle

Squirrelwaffle payload 6 IoCs

resource	yara_rule
behavioral2/memory/1160-135-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/1160-136-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/1160-139-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/1160-142-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/1160-145-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle
behavioral2/memory/1160-148-0x0000000010000000-0x00000000100D6000-memory.dmp	squirrelwaffle

Blocklisted process makes network request 4 IoCs

flow	pid	Process
25	1160	rundll32.exe
38	1160	rundll32.exe
42	1160	rundll32.exe
44	1160	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1160	1668	rundll32.exe	81
PID 1668 wrote to memory of 1160	1668	rundll32.exe	81
PID 1668 wrote to memory of 1160	1668	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:1160

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1160-133-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-134-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1160-135-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-136-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-137-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1160-139-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-142-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-145-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download
memory/1160-148-0x0000000010000000-0x00000000100D6000-memory.dmp

Filesize
856KB

Download