squirrelwaffle | ae3a3999c23fb3d49e68f38c64fd903b88ba4758473f12cccb17a1ff566effc5

Analysis

max time kernel
110s
max time network
148s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:19

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General

Target

ae3a3999c23fb3d49e68f38c64fd903b88ba4758473f12cccb17a1ff566effc5.dll
Size

507KB
MD5

115c075075f7e79de8539f7aa073ad0f
SHA1

735486dd33eabd3a1480acd43982f7e576b7f444
SHA256

ae3a3999c23fb3d49e68f38c64fd903b88ba4758473f12cccb17a1ff566effc5
SHA512

bb3009a49797c9bca2a4946fc14dbc2896f98480c7919591aaa18b1b232cdc4043730f4fa47df4a5fef743d30016c79e0b6b968a48ba01a7aa6286492cad8d3e

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/2624-117-0x0000000000B60000-0x0000000000B71000-memory.dmp	squirrelwaffle
behavioral2/memory/2624-118-0x0000000000B90000-0x0000000000BA0000-memory.dmp	squirrelwaffle

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3728	2624	WerFault.exe	68

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3728	WerFault.exe
Token: SeBackupPrivilege	3728	WerFault.exe
Token: SeDebugPrivilege	3728	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2624	2496	rundll32.exe	68
PID 2496 wrote to memory of 2624	2496	rundll32.exe	68
PID 2496 wrote to memory of 2624	2496	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae3a3999c23fb3d49e68f38c64fd903b88ba4758473f12cccb17a1ff566effc5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae3a3999c23fb3d49e68f38c64fd903b88ba4758473f12cccb17a1ff566effc5.dll,#1
  2⤵
  PID:2624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 708
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2624-115-0x0000000000650000-0x00000000006CE000-memory.dmp

Filesize
504KB

Download
memory/2624-116-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/2624-117-0x0000000000B60000-0x0000000000B71000-memory.dmp

Filesize
68KB

Download
memory/2624-118-0x0000000000B90000-0x0000000000BA0000-memory.dmp

Filesize
64KB

Download