Analysis Overview
SHA256
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c
Threat Level: Known bad
The file b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
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
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 07:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 07:58
Reported
2024-06-29 08:01
Platform
win11-20240611-en
Max time kernel
147s
Max time network
152s
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\kat350A.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 2684 set thread context of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe | C:\Users\Admin\AppData\Local\Temp\kat350A.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\kat350A.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\kat350A.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat350A.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat350A.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat350A.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat350A.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe
"C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe"
C:\Users\Admin\AppData\Local\Temp\kat350A.tmp
C:\Users\Admin\AppData\Local\Temp\kat350A.tmp
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 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.249.124.192.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 |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
Files
memory/2684-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/2684-1-0x0000000002BB0000-0x0000000002CC0000-memory.dmp
memory/4528-8-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat350A.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2684-9-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4528-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4528-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4528-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4528-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4528-27-0x000000002F6F0000-0x000000002F94F000-memory.dmp
memory/4528-35-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4528-36-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-29 07:58
Reported
2024-06-29 08:01
Platform
win10v2004-20240508-en
Max time kernel
131s
Max time network
133s
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\katF5BA.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 1376 set thread context of 4688 | N/A | C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe | C:\Users\Admin\AppData\Local\Temp\katF5BA.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\katF5BA.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe
"C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe"
C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp
C:\Users\Admin\AppData\Local\Temp\katF5BA.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 --field-trial-handle=4212,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| 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 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| 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 | 41.249.124.192.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 |
| US | 8.8.8.8:53 | 214.251.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.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 |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/1376-0-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/1376-1-0x0000000004070000-0x0000000004180000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katF5BA.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4688-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1376-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4688-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4688-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4688-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4688-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4688-25-0x0000000022800000-0x0000000022A5F000-memory.dmp
memory/4688-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4688-41-0x0000000000400000-0x0000000000648000-memory.dmp