squirrelwaffle | 3a7fab640591f62eff86d47ae9ae92fe621895bb6f369ee13ff05c9a54e9c8fa

Analysis

max time kernel
124s
max time network
173s
platform
windows10_x64
resource
win10-en-20211208
submitted
30/01/2022, 15:26

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General

Target

3a7fab640591f62eff86d47ae9ae92fe621895bb6f369ee13ff05c9a54e9c8fa.dll
Size

498KB
MD5

b420ad4aebfc38a2091d253828f57a14
SHA1

30855bb558d1ab9282e38027b7b5b3e03882a041
SHA256

3a7fab640591f62eff86d47ae9ae92fe621895bb6f369ee13ff05c9a54e9c8fa
SHA512

fb5246d4c0c033b070f06e7086845e2e343db0cb346998d4526470f4e301b6ca1b1f4769ff08e331d021720ed9eb7ef0ea84455b17702d5c07e29adaaae4ccbd

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 2 IoCs

resource	yara_rule
behavioral2/memory/2820-120-0x0000000004530000-0x0000000004540000-memory.dmp	squirrelwaffle
behavioral2/memory/2820-119-0x0000000002D50000-0x0000000002D61000-memory.dmp	squirrelwaffle

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	2820	WerFault.exe	68

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe
3776	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3776	WerFault.exe
Token: SeBackupPrivilege	3776	WerFault.exe
Token: SeDebugPrivilege	3776	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2820	3048	rundll32.exe	68
PID 3048 wrote to memory of 2820	3048	rundll32.exe	68
PID 3048 wrote to memory of 2820	3048	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a7fab640591f62eff86d47ae9ae92fe621895bb6f369ee13ff05c9a54e9c8fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a7fab640591f62eff86d47ae9ae92fe621895bb6f369ee13ff05c9a54e9c8fa.dll,#1
  2⤵
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 700
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3776

Network

MITRE ATT&CK Matrix

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Downloads

memory/2820-118-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/2820-120-0x0000000004530000-0x0000000004540000-memory.dmp

Filesize
64KB

Download
memory/2820-119-0x0000000002D50000-0x0000000002D61000-memory.dmp

Filesize
68KB

Download