Analysis Overview
SHA256
93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e
Threat Level: Known bad
The file 93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e was found to be: Known bad.
Malicious Activity Summary
Vidar
Stealc
Detect Vidar Stealer
Downloads MZ/PE file
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Executes dropped EXE
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 16:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 16:34
Reported
2024-06-28 16:36
Platform
win10v2004-20240611-en
Max time kernel
150s
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
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3F2C.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 2500 set thread context of 4440 | N/A | C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe | C:\Users\Admin\AppData\Local\Temp\kat3F2C.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\kat3F2C.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe
"C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe"
C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp
C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2500-0-0x0000000002290000-0x0000000002291000-memory.dmp
memory/2500-1-0x0000000002A70000-0x0000000002B80000-memory.dmp
memory/4440-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat3F2C.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2500-6-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4440-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4440-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4440-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4440-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4440-25-0x0000000020240000-0x000000002049F000-memory.dmp
memory/4440-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4440-34-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 16:34
Reported
2024-06-28 16:36
Platform
win11-20240508-en
Max time kernel
38s
Max time network
47s
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
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
Reads data files stored by FTP clients
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4748 set thread context of 4268 | N/A | C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat804C.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe
"C:\Users\Admin\AppData\Local\Temp\93dc2f406a0ca3344d70f217856858b2507493b535c86402915ab2e3e22e7c6e.exe"
C:\Users\Admin\AppData\Local\Temp\kat804C.tmp
C:\Users\Admin\AppData\Local\Temp\kat804C.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat804C.tmp" & rd /s /q "C:\ProgramData\BFCFBKKKFHCF" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
Files
memory/4748-0-0x0000000002490000-0x0000000002491000-memory.dmp
memory/4748-2-0x00000000040C0000-0x00000000041D0000-memory.dmp
memory/4268-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat804C.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4268-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4268-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4748-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4268-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4268-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4268-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4268-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4268-17-0x0000000000400000-0x0000000000648000-memory.dmp