Analysis Overview
SHA256
fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1
Threat Level: Known bad
The file fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1 was found to be: Known bad.
Malicious Activity Summary
Vidar
Stealc
Detect Vidar Stealer
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-07 22:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 22:58
Reported
2024-06-07 23:00
Platform
win10v2004-20240426-en
Max time kernel
92s
Max time network
123s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
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Stealc
Vidar
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2028 set thread context of 3132 | N/A | C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp |
Enumerates physical storage devices
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\kat43B0.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\kat43B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe
"C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe"
C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp
C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat43B0.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 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.249.124.192.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2028-0-0x00000000022E0000-0x00000000022E1000-memory.dmp
memory/2028-2-0x00000000040A0000-0x0000000004203000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat43B0.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3132-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2028-8-0x0000000000400000-0x000000000067A000-memory.dmp
memory/3132-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-27-0x0000000026040000-0x000000002629F000-memory.dmp
memory/3132-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-43-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-59-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-60-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-71-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-72-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3132-75-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 22:58
Reported
2024-06-07 23:00
Platform
win11-20240508-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 |
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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\kat6C08.tmp | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 128 set thread context of 1116 | N/A | C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe | C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp |
Enumerates physical storage devices
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\kat6C08.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\kat6C08.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe
"C:\Users\Admin\AppData\Local\Temp\fc16fb413e724e1062fa1834242b4e401a205f4e670e8160dea6009817504ef1.exe"
C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp
C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp" & rd /s /q "C:\ProgramData\ECFCBFBGDBKJ" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 52.111.227.14:443 | tcp |
Files
memory/128-0-0x00000000023D0000-0x00000000023D1000-memory.dmp
memory/128-2-0x0000000002BF0000-0x0000000002D53000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6C08.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1116-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/128-9-0x0000000000400000-0x000000000067A000-memory.dmp
memory/1116-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-18-0x000000001B8A0000-0x000000001BAFF000-memory.dmp
memory/1116-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-34-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-50-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-51-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-62-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-63-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1116-66-0x0000000000400000-0x0000000000648000-memory.dmp