Analysis Overview
SHA256
f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d
Threat Level: Known bad
The file f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Vidar
Stealc
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
2024-06-08 11:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-08 11:40
Reported
2024-06-08 11:43
Platform
win10v2004-20240508-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\kat514C.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 3528 set thread context of 2388 | N/A | C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe | C:\Users\Admin\AppData\Local\Temp\kat514C.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\kat514C.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat514C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat514C.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe
"C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe"
C:\Users\Admin\AppData\Local\Temp\kat514C.tmp
C:\Users\Admin\AppData\Local\Temp\kat514C.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.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 | 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 | 133.32.126.40.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 |
| 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 |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3528-0-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3528-2-0x0000000002A60000-0x0000000002BC3000-memory.dmp
memory/2388-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2388-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3528-10-0x0000000000400000-0x00000000005EE000-memory.dmp
memory/2388-9-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat514C.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2388-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2388-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2388-25-0x000000001B790000-0x000000001B9EF000-memory.dmp
memory/2388-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2388-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-08 11:40
Reported
2024-06-08 11:43
Platform
win11-20240426-en
Max time kernel
147s
Max time network
151s
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\kat6DEC.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 240 set thread context of 4572 | N/A | C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe | C:\Users\Admin\AppData\Local\Temp\kat6DEC.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\kat6DEC.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6DEC.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6DEC.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe
"C:\Users\Admin\AppData\Local\Temp\f58fdbe807a8c635a94fb3d2544f057daedb7f6c43fb3133c0d92a482bb1344d.exe"
C:\Users\Admin\AppData\Local\Temp\kat6DEC.tmp
C:\Users\Admin\AppData\Local\Temp\kat6DEC.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 |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.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 |
| 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/240-0-0x0000000002490000-0x0000000002491000-memory.dmp
memory/240-1-0x00000000041C0000-0x0000000004323000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6DEC.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4572-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4572-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4572-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/240-10-0x0000000000400000-0x00000000005EE000-memory.dmp
memory/4572-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4572-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4572-27-0x000000001DC90000-0x000000001DEEF000-memory.dmp
memory/4572-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4572-43-0x0000000000400000-0x0000000000648000-memory.dmp