Analysis Overview
SHA256
f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb
Threat Level: Known bad
The file f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Checks computer location settings
Reads data files stored by FTP clients
Executes dropped EXE
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 14:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 14:16
Reported
2024-06-28 14:19
Platform
win10v2004-20240508-en
Max time kernel
43s
Max time network
52s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
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Stealc
Vidar
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.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 2416 set thread context of 2392 | N/A | C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe | C:\Users\Admin\AppData\Local\Temp\kat42B6.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\kat42B6.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat42B6.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\kat42B6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe
"C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe"
C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp
C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp" & rd /s /q "C:\ProgramData\CFCBFHJECAKE" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
Files
memory/2416-0-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/2416-2-0x00000000041C0000-0x00000000042D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat42B6.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2392-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2416-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/2392-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2392-15-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 14:16
Reported
2024-06-28 14:19
Platform
win11-20240611-en
Max time kernel
146s
Max time network
155s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5266.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 232 set thread context of 4656 | N/A | C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe | C:\Users\Admin\AppData\Local\Temp\kat5266.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\kat5266.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat5266.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5266.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5266.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5266.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5266.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe
"C:\Users\Admin\AppData\Local\Temp\f5c5bea6efe73c49cfd371c2bedebf80cf230e79ca33a4ef5520e410e60f7bbb.exe"
C:\Users\Admin\AppData\Local\Temp\kat5266.tmp
C:\Users\Admin\AppData\Local\Temp\kat5266.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 |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.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 |
| 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 |
| NL | 52.111.243.30:443 | tcp |
Files
memory/232-0-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/232-1-0x0000000002A80000-0x0000000002B90000-memory.dmp
memory/4656-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5266.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4656-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4656-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-26-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-27-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-28-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-30-0x0000000022740000-0x000000002299F000-memory.dmp
memory/4656-38-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4656-39-0x0000000000400000-0x0000000000648000-memory.dmp