78b868e7183eadac76b5433abd8ba24dcaed723103f912a25af21530471c3a60

Analysis

max time kernel
133s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2023, 19:11

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General

Target

Shadow_setup_file.rar
Size

84.1MB
MD5

92367254ce1419170a56148502d52cf8
SHA1

791fdb52cb0c8d4cfe7d7a448424e3970c3bb341
SHA256

78b868e7183eadac76b5433abd8ba24dcaed723103f912a25af21530471c3a60
SHA512

74977b7de232a1e26e59736f0f36b4f8b0306e428539b3312e7e449bca6d4325fa277889a255e9bbd0e4694e0f636810e4e9842e82b2623551b37b76d7fff6d1
SSDEEP

1572864:2hiqIEQA6hL1uarcGPD83l27CoJ17Dd+3Xzb2Tnp8jbEbdc8/asjvo89KsMVQIg:2kqIVA6hNrB7GnonZ+3Xzgpwb8/asLVP

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-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\open	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\.rar	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\edit\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\.rar\ = "rar_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\rar_auto_file\shell\open\command	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3096	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3436	OpenWith.exe

Suspicious use of SetWindowsHookEx 35 IoCs

pid	Process
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe
3436	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 3096	3436	OpenWith.exe	109
PID 3436 wrote to memory of 3096	3436	OpenWith.exe	109

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Shadow_setup_file.rar
1⤵
- Modifies registry class
PID:2748

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:3436
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Shadow_setup_file.rar
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3096

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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