2757fa3287b7c4ebbe244efdf36758c50f961226c4b35d61b8e9926f793a6a16

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 23:11

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General

Target

PySilon-malware-3.7.5/resources/source_code/block_input.py
Size

2KB
MD5

b70feedd80d5267aadc24132ecda5633
SHA1

1f4995eee52226ca1c2d6c54ea98900120093c88
SHA256

346216866f911ddd4a4f80ac15dcf25d3fc6a49a9024f19facc599561afc1072
SHA512

0471eb21e3ff9f99f4afb3fb174f453a9b7c7096576791fb8e23a47eba78706ccd53de6011ed3f91eccd23f187b80a56980ef2360c95285fc69d94779cac73c6

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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_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-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\py_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2684 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2684 AcroRd32.exe
2684 AcroRd32.exe

pid	process
2684	AcroRd32.exe

pid	process
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2872 wrote to memory of 2668	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2668	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2668	2872	cmd.exe	rundll32.exe
PID 2668 wrote to memory of 2684	2668	rundll32.exe	AcroRd32.exe
PID 2668 wrote to memory of 2684	2668	rundll32.exe	AcroRd32.exe
PID 2668 wrote to memory of 2684	2668	rundll32.exe	AcroRd32.exe
PID 2668 wrote to memory of 2684	2668	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\resources\source_code\block_input.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2872

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\resources\source_code\block_input.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2668

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\resources\source_code\block_input.py"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
95d7472fa81d89983ccfde4b787803e1

SHA1
818f37d3a577a20f40254d04e0463cf6ed5c968a

SHA256
54f1796e1859d50edbe614584e71ae921904605f393943807cd077885be6bcdf

SHA512
f043fe0be812595047f796871799b981f27fdf12341c90a052adf8c05217470b6d303b12b82810e4e833a59b7c7941c315516ceb9c06778579821988fab60389

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