Analysis Overview
SHA256
059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5
Threat Level: Known bad
The file 059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Vidar
Detects Windows executables referencing non-Windows User-Agents
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-31 01:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-31 01:00
Reported
2024-03-31 01:03
Platform
win7-20240221-en
Max time kernel
121s
Max time network
131s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Vidar
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe
"C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 508
Network
Files
memory/2876-0-0x0000000000A50000-0x0000000000A8C000-memory.dmp
memory/2876-1-0x00000000749D0000-0x00000000750BE000-memory.dmp
memory/2652-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2652-7-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2652-5-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2876-6-0x00000000021B0000-0x00000000041B0000-memory.dmp
memory/2652-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2652-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2876-10-0x00000000749D0000-0x00000000750BE000-memory.dmp
memory/2876-11-0x00000000021B0000-0x00000000041B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-31 01:00
Reported
2024-03-31 01:03
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
160s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Vidar
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1556 set thread context of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe
"C:\Users\Admin\AppData\Local\Temp\059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 1556
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 880
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2124 -ip 2124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 2340
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.192.122.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| GB | 104.82.234.109:443 | steamcommunity.com | tcp |
| US | 8.8.8.8:53 | 109.234.82.104.in-addr.arpa | udp |
| DE | 78.47.221.177:443 | 78.47.221.177 | tcp |
| US | 8.8.8.8:53 | 177.221.47.78.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| DE | 78.47.221.177:443 | 78.47.221.177 | tcp |
| DE | 78.47.221.177:443 | 78.47.221.177 | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| DE | 78.47.221.177:443 | 78.47.221.177 | tcp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
Files
memory/1556-0-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/1556-1-0x0000000000D90000-0x0000000000DCC000-memory.dmp
memory/2124-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2124-7-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2124-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1556-10-0x0000000003220000-0x0000000005220000-memory.dmp
memory/1556-14-0x0000000074F50000-0x0000000075700000-memory.dmp