Analysis Overview
SHA256
99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e
Threat Level: Known bad
The file 99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
Downloads MZ/PE file
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks computer location settings
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 02:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 02:51
Reported
2024-06-28 02:54
Platform
win10v2004-20240508-en
Max time kernel
93s
Max time network
129s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
Stealc
Vidar
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.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 3884 set thread context of 1932 | N/A | C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe | C:\Users\Admin\AppData\Local\Temp\kat5227.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\kat5227.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat5227.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\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5227.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe
"C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe"
C:\Users\Admin\AppData\Local\Temp\kat5227.tmp
C:\Users\Admin\AppData\Local\Temp\kat5227.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5227.tmp" & rd /s /q "C:\ProgramData\HIDHDGDHJEGH" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.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 | 36.249.124.192.in-addr.arpa | udp |
| 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 |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | 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 | 28.118.140.52.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 |
| US | 8.8.8.8:53 | tea.arpdabl.org | udp |
| DE | 207.180.253.128:80 | tea.arpdabl.org | tcp |
| US | 8.8.8.8:53 | 128.253.180.207.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/3884-0-0x00000000021C0000-0x00000000021C1000-memory.dmp
memory/3884-1-0x0000000003F90000-0x00000000040A0000-memory.dmp
memory/1932-8-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5227.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1932-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3884-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/1932-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-25-0x00000000226F0000-0x000000002294F000-memory.dmp
memory/1932-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-57-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-58-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-69-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-70-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1932-73-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 02:51
Reported
2024-06-28 02:54
Platform
win11-20240611-en
Max time kernel
140s
Max time network
124s
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 |
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| 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\kat564E.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 1160 set thread context of 3176 | N/A | C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe | C:\Users\Admin\AppData\Local\Temp\kat564E.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\kat564E.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat564E.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\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat564E.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe
"C:\Users\Admin\AppData\Local\Temp\99805a59ffd0d78f5f5ac821015aafafd41a5f679e29d3da311e22bdc75daf1e.exe"
C:\Users\Admin\AppData\Local\Temp\kat564E.tmp
C:\Users\Admin\AppData\Local\Temp\kat564E.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat564E.tmp" & rd /s /q "C:\ProgramData\GHDHJEBFBFHJ" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| NL | 149.154.167.99:443 | t.me | 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 |
| 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 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | tcp | |
| DE | 195.201.251.214:9000 | 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 |
| DE | 207.180.253.128:80 | tea.arpdabl.org | tcp |
Files
memory/1160-0-0x00000000022F0000-0x00000000022F1000-memory.dmp
memory/1160-1-0x0000000002980000-0x0000000002A90000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat564E.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3176-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1160-10-0x0000000000400000-0x000000000058E000-memory.dmp
memory/3176-7-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-25-0x0000000020190000-0x00000000203EF000-memory.dmp
memory/3176-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-34-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-43-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-59-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-60-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-71-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-72-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-73-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3176-74-0x0000000000400000-0x0000000000648000-memory.dmp