Analysis Overview
SHA256
b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae
Threat Level: Known bad
The file b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
Downloads MZ/PE file
Reads user/profile data of web browsers
Executes dropped EXE
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-08 01:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-08 01:17
Reported
2024-06-08 01:20
Platform
win10v2004-20240426-en
Max time kernel
134s
Max time network
139s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2208 set thread context of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe | C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe
"C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe"
C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/2208-0-0x0000000000930000-0x0000000000931000-memory.dmp
memory/2208-1-0x0000000003D80000-0x0000000003EE3000-memory.dmp
memory/3968-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2208-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/3968-9-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3968-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3968-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3968-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3968-25-0x000000001DBE0000-0x000000001DE3F000-memory.dmp
memory/3968-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3968-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-08 01:17
Reported
2024-06-08 01:20
Platform
win11-20240508-en
Max time kernel
92s
Max time network
94s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 440 set thread context of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4 | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat545A.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe
"C:\Users\Admin\AppData\Local\Temp\b94c4833f7ebfbc2706299aaf9fbaf3dd1f770f566f01a37f6d1644e1ef9c7ae.exe"
C:\Users\Admin\AppData\Local\Temp\kat545A.tmp
C:\Users\Admin\AppData\Local\Temp\kat545A.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/440-0-0x0000000002520000-0x0000000002521000-memory.dmp
memory/440-1-0x0000000002D60000-0x0000000002EC3000-memory.dmp
memory/2128-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2128-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/440-9-0x0000000000400000-0x000000000067A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat545A.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2128-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2128-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2128-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2128-19-0x0000000019430000-0x000000001968F000-memory.dmp
memory/2128-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2128-34-0x0000000000400000-0x0000000000648000-memory.dmp