Analysis Overview
SHA256
437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca
Threat Level: Known bad
The file 437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca was found to be: Known bad.
Malicious Activity Summary
Vidar
Stealc
Detect Vidar Stealer
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 behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-07 14:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 14:27
Reported
2024-06-07 14:29
Platform
win10v2004-20240426-en
Max time kernel
93s
Max time network
123s
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\kat3B34.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 1836 set thread context of 3672 | N/A | C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe | C:\Users\Admin\AppData\Local\Temp\kat3B34.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\kat3B34.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3B34.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3B34.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe
"C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe"
C:\Users\Admin\AppData\Local\Temp\kat3B34.tmp
C:\Users\Admin\AppData\Local\Temp\kat3B34.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.83.221.88.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 228.249.119.40.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 |
| DE | 116.202.190.18:5432 | tcp | |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/1836-0-0x0000000000930000-0x0000000000931000-memory.dmp
memory/1836-2-0x0000000002AC0000-0x0000000002C23000-memory.dmp
memory/1836-7-0x0000000000400000-0x000000000067A000-memory.dmp
memory/3672-9-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat3B34.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3672-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3672-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3672-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3672-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3672-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3672-16-0x000000001B720000-0x000000001B97F000-memory.dmp
memory/3672-32-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 14:27
Reported
2024-06-07 14:30
Platform
win11-20240508-en
Max time kernel
89s
Max time network
99s
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\kat6021.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 5048 set thread context of 1356 | N/A | C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe | C:\Users\Admin\AppData\Local\Temp\kat6021.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\kat6021.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6021.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6021.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe
"C:\Users\Admin\AppData\Local\Temp\437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca.exe"
C:\Users\Admin\AppData\Local\Temp\kat6021.tmp
C:\Users\Admin\AppData\Local\Temp\kat6021.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 |
| US | 8.8.8.8:53 | 99.167.154.149.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 |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/5048-0-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/1356-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5048-9-0x0000000000400000-0x000000000067A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6021.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1356-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1356-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5048-1-0x0000000004150000-0x00000000042B3000-memory.dmp
memory/1356-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1356-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1356-18-0x0000000019410000-0x000000001966F000-memory.dmp
memory/1356-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1356-34-0x0000000000400000-0x0000000000648000-memory.dmp