Analysis Overview
SHA256
a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0
Threat Level: Known bad
The file a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 10:03
Reported
2024-06-03 10:05
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
152s
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\kat4D35.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 1428 set thread context of 3772 | N/A | C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe | C:\Users\Admin\AppData\Local\Temp\kat4D35.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\kat4D35.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4D35.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4D35.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe
"C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe"
C:\Users\Admin\AppData\Local\Temp\kat4D35.tmp
C:\Users\Admin\AppData\Local\Temp\kat4D35.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
Files
memory/1428-0-0x0000000002430000-0x0000000002431000-memory.dmp
memory/1428-2-0x0000000003C10000-0x0000000003D5C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4D35.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3772-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1428-9-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/3772-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3772-10-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3772-13-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3772-14-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3772-16-0x000000001B760000-0x000000001B9BF000-memory.dmp
memory/3772-31-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3772-32-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:03
Reported
2024-06-03 10:05
Platform
win11-20240508-en
Max time kernel
90s
Max time network
129s
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\kat80C9.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 2172 set thread context of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe | C:\Users\Admin\AppData\Local\Temp\kat80C9.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\kat80C9.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat80C9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat80C9.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe
"C:\Users\Admin\AppData\Local\Temp\a7673fcf3719bd3ceffb61f5d81e5b55ad4d271b7942d9a26598ec85e02024b0.exe"
C:\Users\Admin\AppData\Local\Temp\kat80C9.tmp
C:\Users\Admin\AppData\Local\Temp\kat80C9.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 | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
Files
memory/2172-0-0x0000000002320000-0x0000000002321000-memory.dmp
memory/2172-2-0x0000000002A40000-0x0000000002B8C000-memory.dmp
memory/2068-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2068-8-0x0000000000400000-0x0000000000649000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat80C9.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2068-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2172-10-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/2068-24-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2068-25-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2068-27-0x000000001DC90000-0x000000001DEEF000-memory.dmp
memory/2068-42-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2068-43-0x0000000000400000-0x0000000000649000-memory.dmp