Analysis Overview
SHA256
621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1
Threat Level: Known bad
The file 621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1 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 use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 04:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-29 04:57
Reported
2024-06-29 05:00
Platform
win10v2004-20240611-en
Max time kernel
150s
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\kat3D28.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 3608 set thread context of 332 | N/A | C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe | C:\Users\Admin\AppData\Local\Temp\kat3D28.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\kat3D28.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe
"C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe"
C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp
C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 22.249.124.192.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 |
| 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 |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3608-0-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/3608-2-0x0000000002AF0000-0x0000000002C00000-memory.dmp
memory/332-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3608-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/332-8-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat3D28.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/332-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/332-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/332-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/332-25-0x0000000024C90000-0x0000000024EEF000-memory.dmp
memory/332-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/332-34-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 04:57
Reported
2024-06-29 05:00
Platform
win11-20240611-en
Max time kernel
149s
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\kat79B4.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 2628 set thread context of 4080 | N/A | C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe | C:\Users\Admin\AppData\Local\Temp\kat79B4.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\kat79B4.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe
"C:\Users\Admin\AppData\Local\Temp\621ea1a4e883fb9a31ea2d42dd9a199dcad0867495850ea10a4f363c688058e1.exe"
C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp
C:\Users\Admin\AppData\Local\Temp\kat79B4.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 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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 |
Files
memory/2628-0-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/2628-2-0x0000000002A60000-0x0000000002B70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat79B4.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4080-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4080-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4080-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2628-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4080-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4080-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4080-27-0x000000002D180000-0x000000002D3DF000-memory.dmp
memory/4080-35-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4080-36-0x0000000000400000-0x0000000000648000-memory.dmp