Analysis Overview
SHA256
681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422
Threat Level: Known bad
The file 681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422 was found to be: Known bad.
Malicious Activity Summary
Stealc
Detect Vidar Stealer
Vidar
Downloads MZ/PE file
Reads data files stored by FTP clients
Checks computer location settings
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 use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 13:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 13:01
Reported
2024-06-28 13:04
Platform
win10v2004-20240508-en
Max time kernel
39s
Max time network
47s
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\kat5709.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.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 1992 set thread context of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe | C:\Users\Admin\AppData\Local\Temp\kat5709.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\kat5709.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat5709.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\kat5709.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5709.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe
"C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe"
C:\Users\Admin\AppData\Local\Temp\kat5709.tmp
C:\Users\Admin\AppData\Local\Temp\kat5709.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5709.tmp" & rd /s /q "C:\ProgramData\GCAFCAFHJJDB" & 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 | steamcommunity.com | udp |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
Files
memory/1992-0-0x00000000023D0000-0x00000000023D1000-memory.dmp
memory/1992-1-0x0000000004110000-0x0000000004220000-memory.dmp
memory/4992-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-9-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5709.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1992-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4992-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-15-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 13:01
Reported
2024-06-28 13:04
Platform
win11-20240611-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 |
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| 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\kat4EAC.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 4024 set thread context of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe | C:\Users\Admin\AppData\Local\Temp\kat4EAC.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\kat4EAC.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe
"C:\Users\Admin\AppData\Local\Temp\681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422.exe"
C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp
C:\Users\Admin\AppData\Local\Temp\kat4EAC.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 | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.251.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.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 |
| 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 | 52.111.227.13:443 | tcp |
Files
memory/4024-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/4024-1-0x0000000002B00000-0x0000000002C10000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4EAC.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4024-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4208-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-28-0x000000002F6A0000-0x000000002F8FF000-memory.dmp
memory/4208-35-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4208-36-0x0000000000400000-0x0000000000648000-memory.dmp