Analysis Overview
SHA256
d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d
Threat Level: Known bad
The file d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d was found to be: Known bad.
Malicious Activity Summary
Stealc
Vidar
Detect Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-08 01:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-08 01:51
Reported
2024-06-08 01:54
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
148s
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 |
| 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\katFE65.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 4832 set thread context of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.exe | C:\Users\Admin\AppData\Local\Temp\katFE65.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\katFE65.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katFE65.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katFE65.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katFE65.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katFE65.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.exe
"C:\Users\Admin\AppData\Local\Temp\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.exe"
C:\Users\Admin\AppData\Local\Temp\katFE65.tmp
C:\Users\Admin\AppData\Local\Temp\katFE65.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=3912 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /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 |
| 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 |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | tcp | |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | tcp | |
| DE | 116.202.190.18:5432 | 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 |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.73.50.20.in-addr.arpa | udp |
Files
memory/4832-0-0x0000000002410000-0x0000000002411000-memory.dmp
memory/4832-1-0x0000000004220000-0x0000000004383000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katFE65.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2244-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4832-8-0x0000000000400000-0x000000000067A000-memory.dmp
memory/2244-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-17-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-18-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-20-0x000000001B760000-0x000000001B9BF000-memory.dmp
memory/2244-27-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2244-28-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-08 01:51
Reported
2024-06-08 01:54
Platform
win11-20240419-en
Max time kernel
147s
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\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 3000 set thread context of 3520 | N/A | C:\Users\Admin\AppData\Local\Temp\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.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\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.exe
"C:\Users\Admin\AppData\Local\Temp\d8bc55b00cd35aa07883e225305a205ed94ff8365bf8cd1bb01dd3f93c76d16d.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 |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.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 |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/3000-0-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/3000-2-0x0000000002B70000-0x0000000002CD3000-memory.dmp
memory/3520-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3520-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3000-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/3520-9-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat4EFB.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3520-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3520-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3520-27-0x0000000026030000-0x000000002628F000-memory.dmp
memory/3520-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3520-43-0x0000000000400000-0x0000000000648000-memory.dmp