Analysis Overview
SHA256
39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c
Threat Level: Known bad
The file 39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
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
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 06:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 06:27
Reported
2024-06-03 06:30
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
156s
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\kat4DA3.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 4772 set thread context of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe | C:\Users\Admin\AppData\Local\Temp\kat4DA3.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\kat4DA3.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4DA3.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4DA3.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe
"C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe"
C:\Users\Admin\AppData\Local\Temp\kat4DA3.tmp
C:\Users\Admin\AppData\Local\Temp\kat4DA3.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 | 203.107.17.2.in-addr.arpa | udp |
| 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 |
| 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 |
| US | 8.8.8.8:53 | 68.32.126.40.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 |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.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 | 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |
Files
memory/4772-0-0x0000000000820000-0x0000000000821000-memory.dmp
memory/4772-2-0x0000000002B20000-0x0000000002C6C000-memory.dmp
memory/3500-4-0x0000000000400000-0x0000000000649000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4DA3.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4772-6-0x0000000000400000-0x0000000000663000-memory.dmp
memory/3500-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3500-10-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3500-13-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3500-14-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3500-16-0x000000001B7B0000-0x000000001BA0F000-memory.dmp
memory/3500-31-0x0000000000400000-0x0000000000649000-memory.dmp
memory/3500-32-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 06:27
Reported
2024-06-03 06:30
Platform
win11-20240426-en
Max time kernel
146s
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
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DEF.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 488 set thread context of 1140 | N/A | C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe | C:\Users\Admin\AppData\Local\Temp\kat5DEF.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\kat5DEF.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DEF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DEF.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe
"C:\Users\Admin\AppData\Local\Temp\39a59c41d470f8cb957f09db6ce3acdcc5651eb3509f7a7bf6bf4b04fe989d2c.exe"
C:\Users\Admin\AppData\Local\Temp\kat5DEF.tmp
C:\Users\Admin\AppData\Local\Temp\kat5DEF.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 | 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 | tcp | |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
Files
memory/488-0-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/488-1-0x00000000040E0000-0x000000000422C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5DEF.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1140-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1140-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/488-10-0x0000000000400000-0x0000000000663000-memory.dmp
memory/1140-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1140-15-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1140-16-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1140-18-0x00000000193D0000-0x000000001962F000-memory.dmp
memory/1140-33-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1140-34-0x0000000000400000-0x0000000000649000-memory.dmp