Analysis Overview
SHA256
a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac
Threat Level: Known bad
The file a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac 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
Executes dropped EXE
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 10:23
Reported
2024-06-03 10:25
Platform
win10v2004-20240226-en
Max time kernel
113s
Max time network
158s
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\kat2EAC.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 1848 set thread context of 1648 | N/A | C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe | C:\Users\Admin\AppData\Local\Temp\kat2EAC.tmp |
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\kat2EAC.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat2EAC.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat2EAC.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe
"C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe"
C:\Users\Admin\AppData\Local\Temp\kat2EAC.tmp
C:\Users\Admin\AppData\Local\Temp\kat2EAC.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=4828 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.201.106:443 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.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 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.249.124.192.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/1848-0-0x00000000008C0000-0x00000000008C1000-memory.dmp
memory/1848-1-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/1848-3-0x0000000004150000-0x000000000429C000-memory.dmp
memory/1848-2-0x0000000000400000-0x00000000005CE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat2EAC.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1648-6-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-10-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-12-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-24-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-25-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-26-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-28-0x000000001DBF0000-0x000000001DE4F000-memory.dmp
memory/1648-43-0x0000000000400000-0x0000000000649000-memory.dmp
memory/1648-44-0x0000000000400000-0x0000000000649000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:23
Reported
2024-06-03 10:25
Platform
win11-20240508-en
Max time kernel
90s
Max time network
93s
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 |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7F61.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 4528 set thread context of 4768 | N/A | C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe | C:\Users\Admin\AppData\Local\Temp\kat7F61.tmp |
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\kat7F61.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7F61.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat7F61.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe
"C:\Users\Admin\AppData\Local\Temp\a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac.exe"
C:\Users\Admin\AppData\Local\Temp\kat7F61.tmp
C:\Users\Admin\AppData\Local\Temp\kat7F61.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 | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 245.158.13.49.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
| DE | 49.13.158.245:5432 | 49.13.158.245 | tcp |
Files
memory/4528-0-0x0000000002570000-0x0000000002571000-memory.dmp
memory/4528-1-0x0000000004120000-0x000000000426C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat7F61.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4768-8-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4528-10-0x0000000000400000-0x00000000005CE000-memory.dmp
memory/4768-9-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4768-4-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4768-15-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4768-16-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4768-19-0x000000001B880000-0x000000001BADF000-memory.dmp
memory/4768-33-0x0000000000400000-0x0000000000649000-memory.dmp
memory/4768-34-0x0000000000400000-0x0000000000649000-memory.dmp