Analysis Overview
SHA256
5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8
Threat Level: Known bad
The file 5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8 was found to be: Known bad.
Malicious Activity Summary
Vidar
Stealc
Detect Vidar Stealer
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
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 12:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 12:29
Reported
2024-06-07 12:42
Platform
win10v2004-20240426-en
Max time kernel
3s
Max time network
17s
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
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42E5.tmp | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 860 set thread context of 4468 | N/A | C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe | C:\Users\Admin\AppData\Local\Temp\kat42E5.tmp |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe
"C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe"
C:\Users\Admin\AppData\Local\Temp\kat42E5.tmp
C:\Users\Admin\AppData\Local\Temp\kat42E5.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp |
Files
memory/860-0-0x0000000000730000-0x0000000000731000-memory.dmp
memory/860-1-0x0000000002AE0000-0x0000000002C43000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat42E5.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4468-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/860-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/4468-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4468-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4468-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4468-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4468-16-0x000000001B770000-0x000000001B9CF000-memory.dmp
memory/4468-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4468-32-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 12:29
Reported
2024-06-07 12:42
Platform
win11-20240508-en
Max time kernel
148s
Max time network
150s
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\kat73B9.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 4500 set thread context of 4072 | N/A | C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe | C:\Users\Admin\AppData\Local\Temp\kat73B9.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\kat73B9.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat73B9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat73B9.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe
"C:\Users\Admin\AppData\Local\Temp\5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8.exe"
C:\Users\Admin\AppData\Local\Temp\kat73B9.tmp
C:\Users\Admin\AppData\Local\Temp\kat73B9.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | 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 |
| 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 |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/4500-0-0x00000000008E0000-0x00000000008E1000-memory.dmp
memory/4500-1-0x0000000002B20000-0x0000000002C83000-memory.dmp
memory/4072-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat73B9.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4072-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4500-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/4072-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4072-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4072-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4072-27-0x000000001B840000-0x000000001BA9F000-memory.dmp
memory/4072-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4072-43-0x0000000000400000-0x0000000000648000-memory.dmp