ae515b9cf61e75ea6024235bfbd4f56dac1e07af26d4f774c5db4b04088d381a

Analysis

max time kernel
33s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2024, 13:31

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General

Target

main.pyc
Size

7KB
MD5

af5e35ef6fd7a89478f59a3e236e654e
SHA1

1cee061059ef5b811044c110fca9855b552cf0d1
SHA256

0e1b1803514d101139b09f5cbd5870fd5c454d433b73aa5ee158e343eed5f12a
SHA512

0d4022465e121a135f644b622c5308b5c7afb13992817020ae75d972ac453d629db59336b163a07f33fcb9650c851873938d07ade525e0fdf8f92507e991fca8
SSDEEP

192:wnGkFSnqD8zbWdXwRAuJpBJhwQbMdw2cnw:qMWuRAI72QbP2cw

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 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\edit\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\open	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\open\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\.pyc	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\.pyc\ = "pyc_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\pyc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4716	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3608	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe
3608	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 4716	3608	OpenWith.exe	86
PID 3608 wrote to memory of 4716	3608	OpenWith.exe	86

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Modifies registry class
PID:4984

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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