2757fa3287b7c4ebbe244efdf36758c50f961226c4b35d61b8e9926f793a6a16

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 23:11

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General

Target

PySilon-malware-3.7.5/compiler.py
Size

4KB
MD5

aadef420fde1ac41b1635c7c3ad28e5e
SHA1

ad6f209d53d39418dbc057dc432527bac5d3f40b
SHA256

0202e6c73f6bd429cb704474354898c8aad29885b058a25aca738cda75bbb69d
SHA512

f7f3c78f7a86d4414be2917ae34e35b24f9f18e1ae451a1b748fb21b6e856034f9581a4d13e5a674537180293b106a4a5efebe45e03d9ff69f500be730424194
SSDEEP

96:ODwmTAYUtPvMjoDpz0I9dwsKgwS8n151QqlrAFUetud18ZCrGOF+L6v:O6YUtPvMMDIul+tQu0qe0p+L6v

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2600 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2600 AcroRd32.exe
2600 AcroRd32.exe

pid	process
2600	AcroRd32.exe

pid	process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2704 wrote to memory of 2272	2704	cmd.exe	rundll32.exe
PID 2704 wrote to memory of 2272	2704	cmd.exe	rundll32.exe
PID 2704 wrote to memory of 2272	2704	cmd.exe	rundll32.exe
PID 2272 wrote to memory of 2600	2272	rundll32.exe	AcroRd32.exe
PID 2272 wrote to memory of 2600	2272	rundll32.exe	AcroRd32.exe
PID 2272 wrote to memory of 2600	2272	rundll32.exe	AcroRd32.exe
PID 2272 wrote to memory of 2600	2272	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\compiler.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\compiler.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2272

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\compiler.py"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2600

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
7c77c2b70fe33701ea8b3f3e85547709

SHA1
4ac41091c37b9052b0d2b0be9f8927a9fc98eab1

SHA256
5cbb7ae7fb6214ee8b4bad18927d80ab59ab32bfbb5e6b7eb699dfd909217cb8

SHA512
9d97ef6eb8009f809949748c21297b508f37a3df756308c3442aa19fc08d753f9ab160975d87c0f8f522e032a0704cb2030df31b5cf8e5c34fe1d6f62e754944

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