squirrelwaffle | 777addf1e748572c3250cbaea20a1aafa19dad08d1e544d7e030e71a66a5ec82

Analysis

max time kernel
172s
max time network
197s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:39

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General

Target

777addf1e748572c3250cbaea20a1aafa19dad08d1e544d7e030e71a66a5ec82.dll
Size

489KB
MD5

c241132a6549df034d28bb446fd02d38
SHA1

1741463c4659539643009436f436819ecdb8f008
SHA256

777addf1e748572c3250cbaea20a1aafa19dad08d1e544d7e030e71a66a5ec82
SHA512

bac2126cef2864230e039102a4ad89397dab0f1e9d8e7207b43c93259a3954147de43f355faf57a2b27b3f36d71b053ae26b3942f7bac466becf03cd5846a0e4

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/880-117-0x00000000045F0000-0x0000000004601000-memory.dmp	squirrelwaffle
behavioral2/memory/880-118-0x00000000041D0000-0x00000000041E0000-memory.dmp	squirrelwaffle

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	880	WerFault.exe	69

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe
1456	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	1456	WerFault.exe
Token: SeBackupPrivilege	1456	WerFault.exe
Token: SeDebugPrivilege	1456	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 880	3700	rundll32.exe	69
PID 3700 wrote to memory of 880	3700	rundll32.exe	69
PID 3700 wrote to memory of 880	3700	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\777addf1e748572c3250cbaea20a1aafa19dad08d1e544d7e030e71a66a5ec82.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\777addf1e748572c3250cbaea20a1aafa19dad08d1e544d7e030e71a66a5ec82.dll,#1
  2⤵
  PID:880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 700
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1456

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/880-115-0x0000000000B10000-0x0000000000B8E000-memory.dmp

Filesize
504KB

Download
memory/880-116-0x00000000004B0000-0x00000000005FA000-memory.dmp

Filesize
1.3MB

Download
memory/880-117-0x00000000045F0000-0x0000000004601000-memory.dmp

Filesize
68KB

Download
memory/880-118-0x00000000041D0000-0x00000000041E0000-memory.dmp

Filesize
64KB

Download