fd7db19a65a23c88a35f30112abd4570fcd0cec2d2546bfaba7a687fcfb535da

Analysis

max time kernel
101s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2022 13:40

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General

Target

Re ⚠️LETTURA IMPORTANTE⚠️.eml
Size

783KB
MD5

5365b4a48b7bd17530de34a1c6eee0ad
SHA1

5a4cec7c8609ca262555be1a445493dcafe6e0db
SHA256

fd7db19a65a23c88a35f30112abd4570fcd0cec2d2546bfaba7a687fcfb535da
SHA512

5ffe9bc39d5b3efc4c324135cd41d82a1fb7c204306912eb18cf73a5d3a4b7fc3ab1dc846e66e9ec02de7a55ce78ba182119745cc36c2a0a7aa11b24ab866757
SSDEEP

24576:6wq+QR7jttehvLavq/sxSnDEjfDUqR1FKs:6Jnb62VxDfXnv

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	OpenWith.exe

NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Local\Temp\Re ⚠️LETTURA IMPORTANTE⚠️.eml:OECustomProperty cmd.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid process

1356 OpenWith.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

NOTEPAD.EXE

pid process

4240 NOTEPAD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\Re ⚠️LETTURA IMPORTANTE⚠️.eml:OECustomProperty	cmd.exe

pid	process
4240	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 47 IoCs

Processes:

OpenWith.exe

pid	process
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe
1356	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 1356 wrote to memory of 4240	1356	OpenWith.exe	NOTEPAD.EXE
PID 1356 wrote to memory of 4240	1356	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Re ⚠️LETTURA IMPORTANTE⚠️.eml"
1⤵
- Modifies registry class
- NTFS ADS
PID:764

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:1356

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Re ⚠️LETTURA IMPORTANTE⚠️.eml
2⤵
- Suspicious use of FindShellTrayWindow
PID:4240

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Re ⚠️LETTURA IMPORTANTE⚠️.eml
Filesize
783KB

MD5
5365b4a48b7bd17530de34a1c6eee0ad

SHA1
5a4cec7c8609ca262555be1a445493dcafe6e0db

SHA256
fd7db19a65a23c88a35f30112abd4570fcd0cec2d2546bfaba7a687fcfb535da

SHA512
5ffe9bc39d5b3efc4c324135cd41d82a1fb7c204306912eb18cf73a5d3a4b7fc3ab1dc846e66e9ec02de7a55ce78ba182119745cc36c2a0a7aa11b24ab866757

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memory/4240-133-0x0000000000000000-mapping.dmp

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