42f47cb41507151ec2db8422662adfd8d234533874740b6680ebd06f4f359403

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 03:33

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General

Target

PySilon-malware-3.7.5/builder.py
Size

30KB
MD5

f011ab09f5e640bbf339d9edd93e2739
SHA1

cfe055600b42ed2eb3b77c3f9632301cd4c3e6dd
SHA256

443bd85e3bf8d6a5880400025047933bf58e7cccdb9f1c7585fc6932113f2fdb
SHA512

bdae087b6fa1a781805fa8a1a2b248e23226261bb4be179dcf1b762f0a1241f7d697797434f23e0820ab39b4c6156c9b4674383cdfb251ce346351132b6ee3b3
SSDEEP

768:d2PufIVSZvFWL2sthHqxFgYP0kqhvqeju:d22QEZvMLp/HqxFgYP0kqhvqei

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

1264 OpenWith.exe

pid	process
1264	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\builder.py
1⤵
- Modifies registry class
PID:2744

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1264

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2812,i,6522675234395427298,2952738987384583032,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
1⤵
PID:2328

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads