Analysis Overview
SHA256
d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77
Threat Level: Known bad
The file d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77 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
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-07 13:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 13:52
Reported
2024-06-07 13:55
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\katED3E.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 3168 set thread context of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe | C:\Users\Admin\AppData\Local\Temp\katED3E.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\katED3E.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED3E.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED3E.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe
"C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe"
C:\Users\Admin\AppData\Local\Temp\katED3E.tmp
C:\Users\Admin\AppData\Local\Temp\katED3E.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=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8
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 | 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 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 24.249.124.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/3168-0-0x0000000000840000-0x0000000000841000-memory.dmp
memory/3168-1-0x0000000002A60000-0x0000000002BC3000-memory.dmp
memory/4992-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katED3E.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4992-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3168-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/4992-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-25-0x000000001B7B0000-0x000000001BA0F000-memory.dmp
memory/4992-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4992-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 13:52
Reported
2024-06-07 13:55
Platform
win11-20240419-en
Max time kernel
147s
Max time network
151s
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\kat4EFB.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 5052 set thread context of 4800 | N/A | C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe | C:\Users\Admin\AppData\Local\Temp\kat4EFB.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\kat4EFB.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EFB.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat4EFB.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe
"C:\Users\Admin\AppData\Local\Temp\d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77.exe"
C:\Users\Admin\AppData\Local\Temp\kat4EFB.tmp
C:\Users\Admin\AppData\Local\Temp\kat4EFB.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 | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/5052-0-0x0000000002510000-0x0000000002511000-memory.dmp
memory/5052-2-0x0000000002C80000-0x0000000002DE3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4EFB.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4800-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4800-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4800-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/5052-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/4800-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4800-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4800-18-0x000000001B890000-0x000000001BAEF000-memory.dmp
memory/4800-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4800-34-0x0000000000400000-0x0000000000648000-memory.dmp