Analysis Overview
SHA256
b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46
Threat Level: Known bad
The file b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46 was found to be: Known bad.
Malicious Activity Summary
Stealc
Detect Vidar Stealer
Vidar
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
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 08:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-29 08:04
Reported
2024-06-29 08:06
Platform
win10v2004-20240508-en
Max time kernel
93s
Max time network
126s
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\kat594B.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 4584 set thread context of 1376 | N/A | C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe | C:\Users\Admin\AppData\Local\Temp\kat594B.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\kat594B.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat594B.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat594B.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat594B.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat594B.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat594B.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe
"C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe"
C:\Users\Admin\AppData\Local\Temp\kat594B.tmp
C:\Users\Admin\AppData\Local\Temp\kat594B.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.251.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.249.124.192.in-addr.arpa | udp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/4584-0-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/4584-2-0x0000000004060000-0x0000000004170000-memory.dmp
memory/1376-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat594B.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4584-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/1376-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-25-0x0000000020110000-0x000000002036F000-memory.dmp
memory/1376-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 08:04
Reported
2024-06-29 08:06
Platform
win11-20240611-en
Max time kernel
92s
Max time network
126s
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\kat4B70.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 2000 set thread context of 3480 | N/A | C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe
"C:\Users\Admin\AppData\Local\Temp\b8f4f490fd3c97051e4d408a909dab811e55d17c0a4f7113a8d569c779819c46.exe"
C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp
C:\Users\Admin\AppData\Local\Temp\kat4B70.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 | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.251.201.195.in-addr.arpa | udp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 52.111.227.14:443 | tcp |
Files
memory/2000-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/2000-1-0x0000000002C00000-0x0000000002D10000-memory.dmp
memory/3480-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3480-8-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4B70.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2000-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/3480-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3480-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3480-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3480-28-0x000000002D140000-0x000000002D39F000-memory.dmp
memory/3480-35-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3480-36-0x0000000000400000-0x0000000000648000-memory.dmp