Analysis Overview
SHA256
f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6
Threat Level: Known bad
The file f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6 was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
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
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 17:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 17:56
Reported
2024-06-28 17:58
Platform
win10v2004-20240226-en
Max time kernel
142s
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 |
| 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\katEE19.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 4868 set thread context of 4848 | N/A | C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe | C:\Users\Admin\AppData\Local\Temp\katEE19.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\katEE19.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katEE19.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEE19.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEE19.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEE19.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEE19.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe
"C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe"
C:\Users\Admin\AppData\Local\Temp\katEE19.tmp
C:\Users\Admin\AppData\Local\Temp\katEE19.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=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 |
| DE | 195.201.251.214:9000 | 195.201.251.214 | tcp |
| 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 |
| 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.178.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.173.189.20.in-addr.arpa | udp |
Files
memory/4868-0-0x0000000000830000-0x0000000000831000-memory.dmp
memory/4868-1-0x00000000041D0000-0x00000000042E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katEE19.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4848-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4868-7-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4848-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-25-0x0000000022750000-0x00000000229AF000-memory.dmp
memory/4848-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4848-42-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 17:56
Reported
2024-06-28 17:58
Platform
win11-20240611-en
Max time kernel
116s
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 |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katA6B0.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 4460 set thread context of 4548 | N/A | C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe | C:\Users\Admin\AppData\Local\Temp\katA6B0.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\katA6B0.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe
"C:\Users\Admin\AppData\Local\Temp\f1b4488c8e4ffb41a7f6b95a45ec898451fb8fc16e4946b0051cb0eed304f1b6.exe"
C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp
C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp
Network
| Country | Destination | Domain | Proto |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 23.249.124.192.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 |
| US | 20.42.65.94:443 | tcp | |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| SE | 192.229.221.95:80 | tcp |
Files
memory/4460-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/4460-2-0x0000000002BD0000-0x0000000002CE0000-memory.dmp
memory/4548-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4460-10-0x0000000000400000-0x0000000000635000-memory.dmp
memory/4548-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4548-8-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katA6B0.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4548-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4548-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4548-26-0x0000000020190000-0x00000000203EF000-memory.dmp
memory/4548-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4548-34-0x0000000000400000-0x0000000000648000-memory.dmp