e198a1cf6988b3e8bffa5dec0b28c891c5ef4116c71fbc94d9a68ed9e9b444eb

Resubmissions

23-01-2023 13:41

230123-qzjg9add79 10

27-12-2022 17:22

221227-vxl8ksfd97 10

27-12-2022 17:10

221227-vprhbsae8t 10

Analysis

max time kernel
307s
max time network
333s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2022 17:22

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Report Analysis Logs

General

Target

zsys-master/cmd/zsysd/client/version.go
Size

1KB
MD5

658a6e7482ecf7d8994422e76052aea9
SHA1

b0fd47256b29a4ad235a8e51de713f943c46e1f8
SHA256

596946560765899b44f55c7415cb9e0cf1704d214c0fcb0359673c825dabfb63
SHA512

08042805f8585a2a0e5975c890f6871a7ee38a82e0bd2d743fdce568ce0f1db5b198d4d7151f931f0040fc0c9a238787efcc9f87eb1a67de93bfbcb40fe6ff53

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:

OpenWith.execmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	cmd.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

OpenWith.exe

pid	process
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe
4800	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 4800 wrote to memory of 3544	4800	OpenWith.exe	NOTEPAD.EXE
PID 4800 wrote to memory of 3544	4800	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\zsys-master\cmd\zsysd\client\version.go
1⤵
- Modifies registry class
PID:1124

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\zsys-master\cmd\zsysd\client\version.go
2⤵
PID:3544

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

memory/3544-132-0x0000000000000000-mapping.dmp

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