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
328s
max time network
405s
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/.github/workflows/commands.yaml
Size

729B
MD5

642b760df56dbb75d74a87136210cad3
SHA1

899a1237b6f90a9bc5133ccd39271d9ad536e302
SHA256

b9704fa3336af79ab14ed4f3dd9546dc01ba6934dd60414c9b93f1edfe345dc9
SHA512

ee91d9b06b9ba8acc1b3716eb0a33d5ba09073806074b3724ca81e3bb6386c4831cfbc143415210bdec8f7f2b626eac7b8cbeed4551b97cc37a86c590df6afdf

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-1-5-21-2629973501-4017243118-3254762364-1000_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 9 IoCs

Processes:

OpenWith.exe

pid	process
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe
1884	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 1884 wrote to memory of 5064	1884	OpenWith.exe	NOTEPAD.EXE
PID 1884 wrote to memory of 5064	1884	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\zsys-master\.github\workflows\commands.yaml
1⤵
- Modifies registry class
PID:4952

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\zsys-master\.github\workflows\commands.yaml
2⤵
PID:5064

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/5064-132-0x0000000000000000-mapping.dmp

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