b4c9bbd996be7e80fb07819f1e765be56c0eed5940079de70b03cde9add745e6

Analysis

Target

TXRTN_4654211.lnk
Size

1KB
MD5

eea824215afd2936b4b9c428558a11ed
SHA1

de5d15491319ee9c15c3bcbf215d9f6996f76776
SHA256

aa1add7b438592b57f9c7e53f5c19ead55d313824822835c73ca998f8e06134d
SHA512

24b0322fefbbb9eb57629f9396466cfbc79e205f126209319cd9ad2c83dda9a7975ac987058dc730e9149b6e315cfed35924e40a14a313655961bb4ed26a0b77

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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cmd.execmd.execalc.exe

description	pid	process	target process
PID 1540 wrote to memory of 3176	1540	cmd.exe	cmd.exe
PID 1540 wrote to memory of 3176	1540	cmd.exe	cmd.exe
PID 3176 wrote to memory of 4992	3176	cmd.exe	calc.exe
PID 3176 wrote to memory of 4992	3176	cmd.exe	calc.exe
PID 3176 wrote to memory of 4992	3176	cmd.exe	calc.exe
PID 4992 wrote to memory of 2176	4992	calc.exe	regsvr32.exe
PID 4992 wrote to memory of 2176	4992	calc.exe	regsvr32.exe
PID 4992 wrote to memory of 2176	4992	calc.exe	regsvr32.exe

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /q /c calc.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Users\Admin\AppData\Local\Temp\calc.exe
calc.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4992

C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\SysWOW64\regsvr32.exe 102755.dll
4⤵
PID:2176

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/2176-132-0x0000000000000000-mapping.dmp

Download
memory/2176-133-0x0000000001FF0000-0x000000000209E000-memory.dmp

Filesize
696KB

Download
memory/3176-130-0x0000000000000000-mapping.dmp

Download
memory/4992-131-0x0000000000000000-mapping.dmp

Download