Analysis Overview
SHA256
23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f
Threat Level: Known bad
The file 23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f 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
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 20:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 20:22
Reported
2024-06-28 20:24
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
154s
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 |
| 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\kat443D.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 1784 set thread context of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe | C:\Users\Admin\AppData\Local\Temp\kat443D.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\kat443D.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat443D.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat443D.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat443D.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat443D.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat443D.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe
"C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe"
C:\Users\Admin\AppData\Local\Temp\kat443D.tmp
C:\Users\Admin\AppData\Local\Temp\kat443D.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 209.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.249.124.192.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.143.182.52.in-addr.arpa | udp |
Files
memory/1784-0-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/1784-1-0x00000000040A0000-0x00000000041B0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat443D.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/728-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1784-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/728-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-26-0x0000000020290000-0x00000000204EF000-memory.dmp
memory/728-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/728-42-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 20:22
Reported
2024-06-28 20:24
Platform
win11-20240508-en
Max time kernel
90s
Max time network
130s
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 |
| 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\kat5EE9.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 1972 set thread context of 4304 | N/A | C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe | C:\Users\Admin\AppData\Local\Temp\kat5EE9.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\kat5EE9.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe
"C:\Users\Admin\AppData\Local\Temp\23b305f8d65784e0e30ba06c713e87466036ab3f79b9403568720b0d0cbe099f.exe"
C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp
C:\Users\Admin\AppData\Local\Temp\kat5EE9.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 | 203.197.17.2.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 |
| 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/1972-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/1972-1-0x00000000040C0000-0x00000000041D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5EE9.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4304-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1972-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4304-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-27-0x000000002F6C0000-0x000000002F91F000-memory.dmp
memory/4304-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-43-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-59-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4304-67-0x0000000000400000-0x0000000000648000-memory.dmp