Analysis Overview
SHA256
feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1
Threat Level: Known bad
The file feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1 was found to be: Known bad.
Malicious Activity Summary
Laplas Clipper
Executes dropped EXE
Adds Run key to start application
Program crash
GoLang User-Agent
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-17 20:31
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-17 20:31
Reported
2023-03-17 20:33
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
146s
Command Line
Signatures
Laplas Clipper
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" | C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe |
GoLang User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Go-http-client/1.1 | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3168 wrote to memory of 1200 | N/A | C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe | C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe |
| PID 3168 wrote to memory of 1200 | N/A | C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe | C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe |
| PID 3168 wrote to memory of 1200 | N/A | C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe | C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe
"C:\Users\Admin\AppData\Local\Temp\feb5a0556e226e438f4ca419f476e611df2ff7112a0668303b2da9ef1d2b89b1.exe"
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3168 -ip 3168
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 484
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.43.26.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.192.144.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| LV | 45.87.154.105:80 | 45.87.154.105 | tcp |
| US | 8.8.8.8:53 | 105.154.87.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.17.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| IE | 20.54.89.15:443 | tcp | |
| US | 8.8.8.8:53 | 58.104.205.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.138.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp |
Files
memory/3168-134-0x0000000004D60000-0x0000000005130000-memory.dmp
memory/3168-136-0x0000000000400000-0x0000000002C8F000-memory.dmp
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
| MD5 | c644f0d0431c72a81c82399befbfd523 |
| SHA1 | 038fe35633abfdeb17ef8bdca17458dcaeaae796 |
| SHA256 | f5823204a8287cb17880da972eb10f52366d9c4be85620797806741ca4b40299 |
| SHA512 | c609579fc2cb54558dcfe6dc320417fade3540d8124e85674daee1b1ccd443e61567e563a7407c6cb62909f8136a5842f2bfc8bef5e1ee293c1e96b719ab4828 |
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
| MD5 | 951b29c3a7cbb0f95981076b4e70425a |
| SHA1 | 855a7987af162a01972b91089a807dc9d634c800 |
| SHA256 | b809cf746815882304eeb5e713e395abc7a95f5b2ca7e82bfd8a11b25ce40a56 |
| SHA512 | 42cf6fc5fb8d79d63e67e15efba3967b12c91b8b935bb9df0e026b556dee15d52b1d04fc308ee89953ed52327ca109ac00c1ff4b5fc1f91dc9ffcd20f47e6f1e |
memory/1200-141-0x0000000004A80000-0x0000000004E50000-memory.dmp
memory/3168-142-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-144-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-145-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-146-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-147-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-148-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-149-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-151-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-152-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-153-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-154-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-155-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-156-0x0000000000400000-0x0000000002C8F000-memory.dmp
memory/1200-157-0x0000000000400000-0x0000000002C8F000-memory.dmp