Analysis Overview
SHA256
312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d
Threat Level: Known bad
The file 312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d was found to be: Known bad.
Malicious Activity Summary
Stealc
Vidar
Detect Vidar Stealer
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 09:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 09:18
Reported
2024-06-28 09:20
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\katED2F.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 116 set thread context of 1896 | N/A | C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe | C:\Users\Admin\AppData\Local\Temp\katED2F.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\katED2F.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katED2F.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED2F.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED2F.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED2F.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katED2F.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe
"C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe"
C:\Users\Admin\AppData\Local\Temp\katED2F.tmp
C:\Users\Admin\AppData\Local\Temp\katED2F.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=3668,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | 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 |
| 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 |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
Files
memory/116-0-0x0000000000720000-0x0000000000721000-memory.dmp
memory/116-2-0x0000000003FA0000-0x00000000040B0000-memory.dmp
memory/1896-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katED2F.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/116-9-0x0000000000400000-0x000000000058E000-memory.dmp
memory/1896-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1896-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1896-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1896-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1896-25-0x0000000022750000-0x00000000229AF000-memory.dmp
memory/1896-40-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1896-41-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 09:18
Reported
2024-06-28 09:20
Platform
win11-20240508-en
Max time kernel
92s
Max time network
126s
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\kat5DFE.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 4048 set thread context of 1212 | N/A | C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe | C:\Users\Admin\AppData\Local\Temp\kat5DFE.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\kat5DFE.tmp | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe
"C:\Users\Admin\AppData\Local\Temp\312b2e82eb91bcec6989b6d1551fdd40aaee30bc7f0b5828a7a6f989ce2b944d.exe"
C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp
C:\Users\Admin\AppData\Local\Temp\kat5DFE.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 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.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 | 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 | 52.111.227.14:443 | tcp |
Files
memory/4048-0-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/4048-1-0x0000000003FB0000-0x00000000040C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat5DFE.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1212-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4048-10-0x0000000000400000-0x000000000058E000-memory.dmp
memory/1212-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1212-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1212-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1212-25-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1212-27-0x000000002D120000-0x000000002D37F000-memory.dmp
memory/1212-42-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1212-43-0x0000000000400000-0x0000000000648000-memory.dmp