Analysis Overview
SHA256
bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20
Threat Level: Known bad
The file bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
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 use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 06:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 06:57
Reported
2024-06-01 07:00
Platform
win10v2004-20240508-en
Max time kernel
132s
Max time network
102s
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\kat6244.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 4132 set thread context of 1376 | N/A | C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe | C:\Users\Admin\AppData\Local\Temp\kat6244.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\kat6244.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6244.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6244.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe
"C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe"
C:\Users\Admin\AppData\Local\Temp\kat6244.tmp
C:\Users\Admin\AppData\Local\Temp\kat6244.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 | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 132.102.69.159.in-addr.arpa | udp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | 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 |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4132-0-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/4132-2-0x0000000002A00000-0x0000000002B4C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6244.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1376-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1376-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4132-9-0x0000000000400000-0x0000000000663000-memory.dmp
memory/1376-10-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1376-13-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1376-14-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1376-16-0x000000001DBD0000-0x000000001DE2F000-memory.dmp
memory/1376-31-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1376-32-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 06:57
Reported
2024-06-01 07:00
Platform
win11-20240426-en
Max time kernel
91s
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\kat4314.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 784 set thread context of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe | C:\Users\Admin\AppData\Local\Temp\kat4314.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\kat4314.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4314.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4314.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe
"C:\Users\Admin\AppData\Local\Temp\bef99d959d60db4a024f2bfbebbbc5ab43e7658f16965c9c11e2eb99f5740f20.exe"
C:\Users\Admin\AppData\Local\Temp\kat4314.tmp
C:\Users\Admin\AppData\Local\Temp\kat4314.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.249.124.192.in-addr.arpa | udp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| DE | 159.69.102.132:5432 | 159.69.102.132 | tcp |
| NL | 52.111.243.31:443 | tcp |
Files
memory/784-0-0x00000000024C0000-0x00000000024C1000-memory.dmp
memory/784-1-0x00000000040A0000-0x00000000041EC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4314.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4996-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4996-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4996-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/784-10-0x0000000000400000-0x0000000000663000-memory.dmp
memory/4996-24-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4996-25-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4996-27-0x0000000026030000-0x000000002628F000-memory.dmp
memory/4996-42-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4996-43-0x0000000000400000-0x0000000000649000-memory.dmp