Analysis Overview
SHA256
a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151
Threat Level: Known bad
The file a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 09:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 09:40
Reported
2024-06-28 09:43
Platform
win10v2004-20240508-en
Max time kernel
125s
Max time network
127s
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\katE3B9.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 4824 set thread context of 584 | N/A | C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe | C:\Users\Admin\AppData\Local\Temp\katE3B9.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\katE3B9.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe
"C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe"
C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp
C:\Users\Admin\AppData\Local\Temp\katE3B9.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=3624,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3824 /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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| 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 |
| 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 |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
Files
memory/4824-0-0x0000000000840000-0x0000000000841000-memory.dmp
memory/4824-1-0x0000000003F40000-0x0000000004050000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katE3B9.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/584-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/584-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/584-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4824-10-0x0000000000400000-0x000000000058E000-memory.dmp
memory/584-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/584-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/584-25-0x0000000020130000-0x000000002038F000-memory.dmp
memory/584-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/584-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 09:40
Reported
2024-06-28 09:43
Platform
win11-20240611-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 |
| 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\kat39AD.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 5056 set thread context of 4092 | N/A | C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe | C:\Users\Admin\AppData\Local\Temp\kat39AD.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\kat39AD.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe
"C:\Users\Admin\AppData\Local\Temp\a97a6c75928c3d615ec0a47dd89453e58ca43c2a4a7ed3fbe4776ad62cb93151.exe"
C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp
C:\Users\Admin\AppData\Local\Temp\kat39AD.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 | 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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.249.124.192.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 | 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 |
Files
memory/5056-0-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/5056-2-0x0000000003FB0000-0x00000000040C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat39AD.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4092-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4092-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5056-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/4092-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4092-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4092-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4092-27-0x0000000022780000-0x00000000229DF000-memory.dmp
memory/4092-35-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4092-36-0x0000000000400000-0x0000000000648000-memory.dmp