2757fa3287b7c4ebbe244efdf36758c50f961226c4b35d61b8e9926f793a6a16

Analysis

max time kernel
121s
max time network
123s
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/resources/misc.py
Size

2KB
MD5

d6a7a397e1626ba1e7346f890f31866c
SHA1

a8d2e69bb24c287232a22055e0333c6da746853f
SHA256

98c3c9e981f91b6eb10db0217a16da8c7ba0891e6ad392061d1332fe4af96742
SHA512

dfd6f95aee07e1845e0a475b8473f92d73d03927e3835facb3c9ebebacbd4d34725dd26d63419d0b6e06a999d71c22c99e2697db585e19f397d15ba747425b6e

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-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2604 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2604 AcroRd32.exe
2604 AcroRd32.exe

pid	process
2604	AcroRd32.exe

pid	process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2792 wrote to memory of 2608	2792	cmd.exe	rundll32.exe
PID 2792 wrote to memory of 2608	2792	cmd.exe	rundll32.exe
PID 2792 wrote to memory of 2608	2792	cmd.exe	rundll32.exe
PID 2608 wrote to memory of 2604	2608	rundll32.exe	AcroRd32.exe
PID 2608 wrote to memory of 2604	2608	rundll32.exe	AcroRd32.exe
PID 2608 wrote to memory of 2604	2608	rundll32.exe	AcroRd32.exe
PID 2608 wrote to memory of 2604	2608	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\resources\misc.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2792

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\misc.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2608

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\misc.py"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2604

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
c115ec0c8ad5d8174cbae2f2e4426a28

SHA1
c1133fec42feb335e8683b322c896cb69cb340dd

SHA256
fc9d2d4c0cd5e29f9f249c91a9a0c0e3811b982f1de0bfe45d3d95b6ac20f4bc

SHA512
0acb017a5df96a3b143fb617dd7f4b8f246520b706932a8137a4c8f2affeab315bd270cdedec93a37440ebd59aad6f8dc6798e0cf2286e39199d81379738b4dc

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