Analysis Overview
SHA256
55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a
Threat Level: Known bad
The file 55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a 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
2024-06-03 05:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 05:38
Reported
2024-06-03 05:41
Platform
win10v2004-20240508-en
Max time kernel
137s
Max time network
124s
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\kat4F68.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 2584 set thread context of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe | C:\Users\Admin\AppData\Local\Temp\kat4F68.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\kat4F68.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4F68.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4F68.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe
"C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe"
C:\Users\Admin\AppData\Local\Temp\kat4F68.tmp
C:\Users\Admin\AppData\Local\Temp\kat4F68.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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.142.123.92.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 | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/2584-0-0x0000000000920000-0x0000000000921000-memory.dmp
memory/2584-1-0x0000000002AA0000-0x0000000002BEC000-memory.dmp
memory/4824-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/2584-10-0x0000000000400000-0x0000000000663000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4F68.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4824-22-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-23-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-25-0x000000001B7F0000-0x000000001BA4F000-memory.dmp
memory/4824-40-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-56-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4824-57-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 05:38
Reported
2024-06-03 05:41
Platform
win11-20240426-en
Max time kernel
93s
Max time network
124s
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\kat7947.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 532 set thread context of 5072 | N/A | C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe | C:\Users\Admin\AppData\Local\Temp\kat7947.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\kat7947.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7947.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7947.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe
"C:\Users\Admin\AppData\Local\Temp\55ae28e1e0118a91a582025d286cdf3b2c911381ea6e3d1ddcb5090c807cdb0a.exe"
C:\Users\Admin\AppData\Local\Temp\kat7947.tmp
C:\Users\Admin\AppData\Local\Temp\kat7947.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 | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
Files
memory/532-0-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/532-2-0x0000000004090000-0x00000000041DC000-memory.dmp
memory/5072-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/5072-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/532-9-0x0000000000400000-0x0000000000663000-memory.dmp
memory/5072-10-0x0000000000400000-0x0000000000649000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat7947.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/5072-24-0x0000000000400000-0x0000000000649000-memory.dmp
memory/5072-25-0x0000000000400000-0x0000000000649000-memory.dmp
memory/5072-27-0x000000001DCC0000-0x000000001DF1F000-memory.dmp
memory/5072-42-0x0000000000400000-0x0000000000649000-memory.dmp
memory/5072-43-0x0000000000400000-0x0000000000649000-memory.dmp