squirrelwaffle | 647e8c0f87b8325c6d9015253724643c077d7d5a21e2e15053ae94847d868c5a

Analysis

max time kernel
159s
max time network
173s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:45

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General

Target

647e8c0f87b8325c6d9015253724643c077d7d5a21e2e15053ae94847d868c5a.dll
Size

310KB
MD5

d78be1aaae573167680db8be2768b720
SHA1

6e4786485813ec70d6d4ae7585e4034e87b37991
SHA256

647e8c0f87b8325c6d9015253724643c077d7d5a21e2e15053ae94847d868c5a
SHA512

c481ebaffe97603fd6de7e44c3a1d0a6a42386ecdddf1b001ce63fe81a15b082a1d88decf54e17ec94c3830b20b5331b4e8fe2423f913e7e659396d374b16495

Score

10^/10

squirrelwaffle downloader

Malware Config

Extracted

Family

squirrelwaffle

http://hutraders.com/0eeUtmJf8O

http://goodartishard.com/0JXDM9kMwx

http://now.byteinsure.com/tnjUrmlhN

http://asceaub.com/Xl8UCLSU

http://colchonesmanzur.com/GjVgBnKaNIC

http://sistemasati.com/0SzGNkx6P

http://maldivehost.net/zLIisQRWZI9

http://lrdgon.org/l7r96tjAJ

http://binnawaz.com.pk/jhSZGWS76C

http://fhstorse.com/vJlgdjJnpIop

Signatures

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

Squirrelwaffle Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3148-117-0x0000000073620000-0x0000000073630000-memory.dmp	squirrelwaffle
behavioral2/memory/3148-118-0x0000000073620000-0x00000000736FF000-memory.dmp	squirrelwaffle

Blocklisted process makes network request 3 IoCs

flow	pid	Process
15	3148	rundll32.exe
29	3148	rundll32.exe
36	3148	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 3148	3840	rundll32.exe	69
PID 3840 wrote to memory of 3148	3840	rundll32.exe	69
PID 3840 wrote to memory of 3148	3840	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\647e8c0f87b8325c6d9015253724643c077d7d5a21e2e15053ae94847d868c5a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\647e8c0f87b8325c6d9015253724643c077d7d5a21e2e15053ae94847d868c5a.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:3148

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3148-115-0x0000000073620000-0x00000000736FF000-memory.dmp

Filesize
892KB

Download
memory/3148-116-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/3148-117-0x0000000073620000-0x0000000073630000-memory.dmp

Filesize
64KB

Download
memory/3148-118-0x0000000073620000-0x00000000736FF000-memory.dmp

Filesize
892KB

Download