squirrelwaffle | 2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a

Analysis

max time kernel
151s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
27-09-2021 17:42

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General

Target

803768a34f7e59b8a9a2f3969624c47e.dll
Size

506KB
MD5

803768a34f7e59b8a9a2f3969624c47e
SHA1

09a38940ef023929897fdc9c996de0b0f39116e2
SHA256

2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a
SHA512

21e4aa621360a4ec4a0c73fad494e133f2584f92d058a72772e390c7bf1e1ad3e4d0778e95b590c663fe5efed3cfbecb08d5e78e1216c1bfbef729062806722f

Score

10^/10

squirrelwaffle downloader

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

squirrelwaffle 2 IoCs

Squirrelwaffle Payload

resource	yara_rule
behavioral2/memory/772-116-0x00000000043D0000-0x00000000043E1000-memory.dmp	squirrelwaffle
behavioral2/memory/772-117-0x0000000004400000-0x0000000004410000-memory.dmp	squirrelwaffle

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1164	772	WerFault.exe	68

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe
1164	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	1164	WerFault.exe
Token: SeBackupPrivilege	1164	WerFault.exe
Token: SeDebugPrivilege	1164	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 772	644	rundll32.exe	68
PID 644 wrote to memory of 772	644	rundll32.exe	68
PID 644 wrote to memory of 772	644	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
  2⤵
  PID:772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 700
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1164

Network

MITRE ATT&CK Matrix

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Downloads

memory/772-115-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/772-116-0x00000000043D0000-0x00000000043E1000-memory.dmp

Filesize
68KB

Download
memory/772-117-0x0000000004400000-0x0000000004410000-memory.dmp

Filesize
64KB

Download