Analysis Overview
SHA256
21a174a42902e4e830e224ea8943c76f1a0730edafa280a99b09b5597c96af95
Threat Level: Known bad
The file ARK_Trainer_v0.9.9.9.exe was found to be: Known bad.
Malicious Activity Summary
Mars Stealer
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-25 09:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 09:33
Reported
2023-12-25 09:37
Platform
win7-20231215-en
Max time kernel
128s
Max time network
158s
Command Line
Signatures
Mars Stealer
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M4YI91.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M4YI91.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe
"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"
C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M4YI91.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M4YI91.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 816
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | moscow-post.ru | udp |
| RU | 185.71.67.60:80 | moscow-post.ru | tcp |
| US | 8.8.8.8:53 | www.moscow-post.ru | udp |
| RU | 185.71.67.60:80 | www.moscow-post.ru | tcp |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
Files
memory/2596-0-0x0000000000880000-0x000000000090E000-memory.dmp
memory/2596-1-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2596-2-0x00000000049F0000-0x0000000004A30000-memory.dmp
\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M4YI91.exe
| MD5 | 80ffae827667bd2a86cc1d1b17745ba3 |
| SHA1 | dae012b46c61ce189319b7d04a7d405db3f733f2 |
| SHA256 | dd9285cabf5ff86f34600c4b947c5cb2d442fed6391b14b52c6f0c94c8fff276 |
| SHA512 | 4ac4ecbd086bd340879676f2c7d3d83b684f0c3ba688dc9a289910c531b1d90ad67c34fc799c51a65c1339d52533aacaed117eedd847fa024232b882908c9442 |
memory/2596-11-0x00000000044E0000-0x000000000451D000-memory.dmp
memory/2596-13-0x00000000044E0000-0x000000000451D000-memory.dmp
memory/2592-14-0x0000000000400000-0x000000000043D000-memory.dmp
memory/2596-15-0x0000000074D70000-0x000000007545E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 09:33
Reported
2023-12-25 09:35
Platform
win10v2004-20231215-en
Max time kernel
17s
Max time network
140s
Command Line
Signatures
Mars Stealer
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Start Menu\VNC13YMPA0D.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\ProgramData\Start Menu\VNC13YMPA0D.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2036 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | C:\ProgramData\Start Menu\VNC13YMPA0D.exe |
| PID 2036 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | C:\ProgramData\Start Menu\VNC13YMPA0D.exe |
| PID 2036 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe | C:\ProgramData\Start Menu\VNC13YMPA0D.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe
"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"
C:\ProgramData\Start Menu\VNC13YMPA0D.exe
"C:\ProgramData\Start Menu\VNC13YMPA0D.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4916 -ip 4916
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1432
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | moscow-post.ru | udp |
| RU | 185.71.67.60:80 | moscow-post.ru | tcp |
| US | 8.8.8.8:53 | www.moscow-post.ru | udp |
| RU | 185.71.67.60:80 | www.moscow-post.ru | tcp |
| US | 8.8.8.8:53 | 60.67.71.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 20.231.121.79:80 | tcp | |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| NL | 20.103.156.88:443 | tcp | |
| NL | 20.103.156.88:443 | tcp | |
| NL | 20.103.156.88:443 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/2036-1-0x0000000075280000-0x0000000075A30000-memory.dmp
memory/2036-0-0x0000000000F50000-0x0000000000FDE000-memory.dmp
memory/2036-2-0x0000000005940000-0x0000000005950000-memory.dmp
memory/2036-14-0x0000000075280000-0x0000000075A30000-memory.dmp
memory/4916-13-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4916-16-0x0000000000400000-0x000000000043D000-memory.dmp