42f47cb41507151ec2db8422662adfd8d234533874740b6680ebd06f4f359403

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 03:33

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General

Target

PySilon-malware-3.7.5/resources/passwords_grabber.py
Size

4KB
MD5

d501b318f5df2e0c18cef8a64161326b
SHA1

8d3d44fce5a9df6fa728f6f090e0a6c239c90736
SHA256

6bae31f78fa66e73da3a5d7e7e489c4c79d36da8811fa94d5bbf052eb3d28f86
SHA512

683f2d34a12712a65a293d7b7ede3028a52ed0f5aebb6a9c18cbeafcfe769c20b07e7db2af31edb60f4ac870c2aa16a16a625270242ca6b9dbb30f740b1f6340
SSDEEP

96:D9b569f3ItMS2tdNWkOHKy0BZfnMJ6dHZdgoLHZtU5jNEYDmbVjp5t:Dl569f3wM5N/OdcZvMJ6dH/bZtUjFDGV

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_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-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2888 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2888 AcroRd32.exe
2888 AcroRd32.exe

pid	process
2888	AcroRd32.exe

pid	process
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2944 wrote to memory of 2708	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2708	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2708	2944	cmd.exe	rundll32.exe
PID 2708 wrote to memory of 2888	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2888	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2888	2708	rundll32.exe	AcroRd32.exe
PID 2708 wrote to memory of 2888	2708	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\resources\passwords_grabber.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2944

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\passwords_grabber.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2708

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\passwords_grabber.py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2888

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

Replay Monitor

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Downloads

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

MD5
3288a42e6ec9265c200c1a1dd766fc46

SHA1
68e75ccdd9ece006899d77d3cf656dfc4186848e

SHA256
908062017bd6e735880de2284503ea074558aa6bdcd37940ca4da107c4a5f7c5

SHA512
282ab262b72228ad20d9ddc1324002854a544f85f4af042fa0ab642bcd8f2e4da55c47e09679d88d734b2cfc463e82b929f202fab1d4edf5cd17032cc38caf08

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