Analysis Overview
SHA256
644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b
Threat Level: Known bad
The file 644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
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
2024-06-28 04:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 04:51
Reported
2024-06-28 04:54
Platform
win10v2004-20240508-en
Max time kernel
149s
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
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4844.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 4600 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe | C:\Users\Admin\AppData\Local\Temp\kat4844.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\kat4844.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat4844.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4844.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4844.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4844.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4844.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe
"C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe"
C:\Users\Admin\AppData\Local\Temp\kat4844.tmp
C:\Users\Admin\AppData\Local\Temp\kat4844.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 | 23.249.124.192.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 | tcp | |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 94.65.42.20.in-addr.arpa | udp |
Files
memory/4600-0-0x00000000022F0000-0x00000000022F1000-memory.dmp
memory/4600-1-0x0000000003F70000-0x0000000004080000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4844.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2576-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4600-10-0x0000000000400000-0x000000000058E000-memory.dmp
memory/2576-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2576-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2576-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2576-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2576-25-0x0000000022830000-0x0000000022A8F000-memory.dmp
memory/2576-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2576-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 04:51
Reported
2024-06-28 04:54
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\kat6FA2.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 2152 set thread context of 3880 | N/A | C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe | C:\Users\Admin\AppData\Local\Temp\kat6FA2.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\kat6FA2.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe
"C:\Users\Admin\AppData\Local\Temp\644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b.exe"
C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp
C:\Users\Admin\AppData\Local\Temp\kat6FA2.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 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.249.124.192.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 |
| NL | 52.111.243.30:443 | tcp |
Files
memory/2152-0-0x0000000000850000-0x0000000000851000-memory.dmp
memory/2152-2-0x0000000003FA0000-0x00000000040B0000-memory.dmp
memory/3880-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6FA2.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3880-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3880-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2152-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/3880-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3880-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3880-27-0x000000002F6A0000-0x000000002F8FF000-memory.dmp
memory/3880-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3880-43-0x0000000000400000-0x0000000000648000-memory.dmp