db5fabc8aea28952b6e40d35290914963f782d9b568582ae3f795c579218e4ed

Analysis

max time kernel
191s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 12:08

Target

RR.lnk
Size

1KB
MD5

5adfb10fa942ee453862b4adbcfbca6f
SHA1

d76867af1d617b82a6c2c69b43f3bcef5fedcdb2
SHA256

4cdbdd8e0e25072b84b74a3116f532819704a43daf567ef9230d137a11631895
SHA512

c79e0913d046d96cfacfd4bd345d021d9868492d4ee0c9422231daf3fc0c4b8d12fb0bf78bc410cb9c82c8dc1c5e54ff581daef5e7159cfa305d3535d3d16c4c

Score

7^/10

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

cmd.execmd.execmd.exerundll32.exe

description	pid	process	target process
PID 912 wrote to memory of 4144	912	cmd.exe	cmd.exe
PID 912 wrote to memory of 4144	912	cmd.exe	cmd.exe
PID 4144 wrote to memory of 4924	4144	cmd.exe	cmd.exe
PID 4144 wrote to memory of 4924	4144	cmd.exe	cmd.exe
PID 4924 wrote to memory of 4804	4924	cmd.exe	replace.exe
PID 4924 wrote to memory of 4804	4924	cmd.exe	replace.exe
PID 4924 wrote to memory of 4888	4924	cmd.exe	rundll32.exe
PID 4924 wrote to memory of 4888	4924	cmd.exe	rundll32.exe
PID 4888 wrote to memory of 4784	4888	rundll32.exe	rundll32.exe
PID 4888 wrote to memory of 4784	4888	rundll32.exe	rundll32.exe
PID 4888 wrote to memory of 4784	4888	rundll32.exe	rundll32.exe

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c sandstone\gold.cmd
2⤵
- Suspicious use of WriteProcessMemory
PID:4144

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K sandstone\beeches.cmd system rundl
3⤵
- Suspicious use of WriteProcessMemory
PID:4924

C:\Windows\system32\replace.exe
replace C:\Windows\\system32\\rundlr32.exe C:\Users\Admin\AppData\Local\Temp /A
4⤵
PID:4804

C:\Windows\system32\rundll32.exe
rundll32 sandstone\\kilketh.tmp,init
4⤵
- Suspicious use of WriteProcessMemory
PID:4888

C:\Windows\SysWOW64\rundll32.exe
rundll32 sandstone\\kilketh.tmp,init
5⤵
PID:4784

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact