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
300s
max time network
321s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-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/main.go
Size

1KB
MD5

5766d5d0c3ebe2b01c7b16e2e9e07774
SHA1

8002c8f08d6bb23925ada614179989ca9e3722b7
SHA256

4233037e4ad872ffb8496b4755b900f70498a2a7d34aafc2ad85ebc9fc543762
SHA512

8c9bb049dac89a16fc7a33352700a90effb034e3437bc5f5a9a2573d2a2092bc621b1d3ffa1de90640808d563648f804940fa785ffb7dcc74edf05f7adbfe7cc

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4900	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\zsys-master\cmd\zsysd\main.go
1⤵
- Modifies registry class
PID:4320

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4900

Network

MITRE ATT&CK Enterprise v6

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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