squirrelwaffle | 07c7cb49350bf3c6de4193fb2eeb8dd92d6662d60393ebd483a54bac80fb0b44

Analysis

max time kernel
143s
max time network
130s
platform
windows7_x64
resource
win7-en-20210920
submitted
25-09-2021 00:04

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General

Target

test1.test.dll
Size

309KB
MD5

3d77d7a2e2697d35b281123afe4b030c
SHA1

4087259179a6761e376dcfbf2e981e1c0cacc287
SHA256

07c7cb49350bf3c6de4193fb2eeb8dd92d6662d60393ebd483a54bac80fb0b44
SHA512

8c1645fa7bf81be88533e9aff8a308311f637e3d0b64244a4fa1679de53f706b9222d4bc9caa82f1340dea641d33feb3dfa3b67b2cd324a65bf570b18bf3a17c

Score

10^/10

squirrelwaffle downloader

Malware Config

Extracted

Family

squirrelwaffle

hutraders.com/0eeUtmJf8O

goodartishard.com/0JXDM9kMwx

now.byteinsure.com/tnjUrmlhN

asceaub.com/Xl8UCLSU

colchonesmanzur.com/GjVgBnKaNIC

sistemasati.com/0SzGNkx6P

maldivehost.net/zLIisQRWZI9

lrdgon.org/l7r96tjAJ

binnawaz.com.pk/jhSZGWS76C

fhstorse.com/vJlgdjJnpIop

Signatures

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

squirrelwaffle 2 IoCs

Squirrelwaffle Payload

resource	yara_rule
behavioral1/memory/1144-55-0x0000000074500000-0x0000000074510000-memory.dmp	squirrelwaffle
behavioral1/memory/1144-56-0x0000000074500000-0x00000000745DF000-memory.dmp	squirrelwaffle

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27
PID 1128 wrote to memory of 1144	1128	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.dll,#1
  2⤵
  PID:1144

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1144-54-0x0000000074B41000-0x0000000074B43000-memory.dmp

Filesize
8KB

Download
memory/1144-55-0x0000000074500000-0x0000000074510000-memory.dmp

Filesize
64KB

Download
memory/1144-56-0x0000000074500000-0x00000000745DF000-memory.dmp

Filesize
892KB

Download
memory/1144-57-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download