Analysis Overview
SHA256
f456a8901ab04ed11142a4f5413cbba1f13778a319b0c9d4815cb4f5e542c56c
Threat Level: Known bad
The file 8b526ff1976f1ca1fde34987043d0dfe was found to be: Known bad.
Malicious Activity Summary
Marsstealer family
Mars Stealer
VMProtect packed file
Reads user/profile data of web browsers
Suspicious use of NtSetInformationThreadHideFromDebugger
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 19:59
Signatures
Marsstealer family
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 19:59
Reported
2023-12-20 00:52
Platform
win7-20231215-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Mars Stealer
Reads user/profile data of web browsers
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2512 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2512 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2512 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2512 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe
"C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 808
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sadasew94okl234.000webhostapp.com | udp |
| US | 145.14.145.196:80 | sadasew94okl234.000webhostapp.com | tcp |
Files
memory/2512-0-0x0000000000400000-0x00000000009B5000-memory.dmp
memory/2512-11-0x00000000775B0000-0x00000000775B1000-memory.dmp
memory/2512-10-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2512-8-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2512-6-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2512-5-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2512-3-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2512-1-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2512-15-0x0000000000400000-0x00000000009B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 19:59
Reported
2023-12-20 00:53
Platform
win10v2004-20231215-en
Max time kernel
135s
Max time network
144s
Command Line
Signatures
Mars Stealer
Reads user/profile data of web browsers
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe
"C:\Users\Admin\AppData\Local\Temp\8b526ff1976f1ca1fde34987043d0dfe.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4984 -ip 4984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 1388
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sadasew94okl234.000webhostapp.com | udp |
| US | 145.14.144.31:80 | sadasew94okl234.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | 31.144.14.145.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/4984-0-0x0000000000400000-0x00000000009B5000-memory.dmp
memory/4984-2-0x0000000000E20000-0x0000000000E21000-memory.dmp
memory/4984-3-0x0000000000E30000-0x0000000000E31000-memory.dmp
memory/4984-7-0x0000000000400000-0x00000000009B5000-memory.dmp