b01ee9e4b7e57dc0d9a0415723cbc1e7df84c90b352d9b2a716e222360961de8

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:18

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General

Target

PySilon-malware-main/resources/protections.py
Size

1KB
MD5

f5f7860862ff9026ae5ef626ccbf7c59
SHA1

f0b9827394cc388ed07b9cbdb44b8aafc3b44820
SHA256

8370294651cf9164b5183033e0adaeb3fea820359f9652f06713c135cf549b59
SHA512

24553294f40b295af656ccd39efedd905d6fe9d68fb78e0b4311f22907dd1b6faf2f9f37bd41b0a163a9e85d5c6a88dbb7c54226822199c9f85efaeac68fb0e1

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

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

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2060	1620	cmd.exe	31
PID 1620 wrote to memory of 2060	1620	cmd.exe	31
PID 1620 wrote to memory of 2060	1620	cmd.exe	31
PID 2060 wrote to memory of 2764	2060	rundll32.exe	33
PID 2060 wrote to memory of 2764	2060	rundll32.exe	33
PID 2060 wrote to memory of 2764	2060	rundll32.exe	33
PID 2060 wrote to memory of 2764	2060	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\protections.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- 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-main\resources\protections.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2060
- - 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-main\resources\protections.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

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
cc2336c9c880b9dcf2aad2ae0ff9217b

SHA1
d60ab02383f0b95b7dc5ea131357436c9b7957a4

SHA256
0635b5d97efe8f8d31574cd95338e2ba344fec48e0840c1f2f5315746f71f639

SHA512
afa782fb82b090f11009b77af2f868beda98bcdb51f89f9f2400c335efaf65e25d2d862f92d5d300e1226fe362f31ff456c2a5956bf4eb1972508162c6090a24

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