Analysis Overview
SHA256
05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02
Threat Level: Known bad
The file 05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Executes dropped EXE
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 10:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-29 10:48
Reported
2024-06-29 10:51
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
147s
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
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF220.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 868 set thread context of 5080 | N/A | C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe | C:\Users\Admin\AppData\Local\Temp\katF220.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\katF220.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4 | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF220.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe
"C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe"
C:\Users\Admin\AppData\Local\Temp\katF220.tmp
C:\Users\Admin\AppData\Local\Temp\katF220.tmp
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 23.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.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 |
| 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 |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.200.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 216.239.32.29:80 | pki.goog | tcp |
| US | 8.8.8.8:53 | i.pki.goog | udp |
| US | 8.8.8.8:53 | i.pki.goog | udp |
| GB | 172.217.169.67:80 | i.pki.goog | tcp |
| US | 8.8.8.8:53 | 10.200.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.32.239.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
Files
memory/868-0-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/868-1-0x0000000004110000-0x0000000004220000-memory.dmp
memory/5080-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katF220.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/868-8-0x0000000000400000-0x0000000000635000-memory.dmp
memory/5080-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-25-0x0000000024D90000-0x0000000024FEF000-memory.dmp
memory/5080-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5080-42-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 10:48
Reported
2024-06-29 10:51
Platform
win11-20240508-en
Max time kernel
145s
Max time network
153s
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\kat8BB5.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 2084 set thread context of 232 | N/A | C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe | C:\Users\Admin\AppData\Local\Temp\kat8BB5.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\kat8BB5.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat8BB5.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\kat8BB5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe
"C:\Users\Admin\AppData\Local\Temp\05f8a91d22dcd2a1e9acc913a8609b155868b78eb3692f0365fa54d08548fc02.exe"
C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp
C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp" & rd /s /q "C:\ProgramData\DBFCBGCGIJKJ" & 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/2084-0-0x0000000002470000-0x0000000002471000-memory.dmp
memory/2084-1-0x0000000004030000-0x0000000004140000-memory.dmp
memory/232-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat8BB5.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/232-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2084-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/232-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/232-15-0x0000000000400000-0x0000000000648000-memory.dmp