Analysis Overview
SHA256
6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3
Threat Level: Known bad
The file 6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3 was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Modifies system certificate store
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 23:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 23:04
Reported
2024-05-30 23:09
Platform
win7-20240221-en
Max time kernel
121s
Max time network
153s
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\kat1D31.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1632 set thread context of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe | C:\Users\Admin\AppData\Local\Temp\kat1D31.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\kat1D31.tmp | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 | C:\Users\Admin\AppData\Local\Temp\kat1D31.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\kat1D31.tmp | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\kat1D31.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe
"C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe"
C:\Users\Admin\AppData\Local\Temp\kat1D31.tmp
C:\Users\Admin\AppData\Local\Temp\kat1D31.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
Files
memory/1632-0-0x00000000001B0000-0x00000000001B1000-memory.dmp
\Users\Admin\AppData\Local\Temp\kat1D31.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1632-2-0x00000000032C0000-0x0000000003409000-memory.dmp
memory/2224-9-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-18-0x0000000000400000-0x0000000000646000-memory.dmp
memory/1632-20-0x0000000000400000-0x0000000000612000-memory.dmp
memory/2224-23-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-17-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-15-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-13-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-11-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-22-0x0000000000400000-0x0000000000646000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar2312.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/2224-176-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-197-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-219-0x00000000229A0000-0x0000000022BFF000-memory.dmp
memory/2224-234-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2224-255-0x0000000000400000-0x0000000000646000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 23:04
Reported
2024-05-30 23:09
Platform
win10-20240404-en
Max time kernel
194s
Max time network
302s
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\kat662C.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 1092 set thread context of 244 | N/A | C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe | C:\Users\Admin\AppData\Local\Temp\kat662C.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\kat662C.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat662C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat662C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat662C.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat662C.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe
"C:\Users\Admin\AppData\Local\Temp\6a1b36a536af1fc526a66c79a6df44cf2d1131e96b59acfbe38fe6bb01f9d5f3.exe"
C:\Users\Admin\AppData\Local\Temp\kat662C.tmp
C:\Users\Admin\AppData\Local\Temp\kat662C.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| US | 8.8.8.8:53 | 92.92.68.104.in-addr.arpa | udp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.241.217.95.in-addr.arpa | udp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |
Files
memory/1092-0-0x0000000002230000-0x0000000002231000-memory.dmp
memory/1092-1-0x0000000003EB0000-0x0000000003FF9000-memory.dmp
memory/244-4-0x0000000000400000-0x0000000000646000-memory.dmp
memory/244-8-0x0000000000400000-0x0000000000646000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat662C.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1092-10-0x0000000000400000-0x0000000000612000-memory.dmp
memory/244-9-0x0000000000400000-0x0000000000646000-memory.dmp
memory/244-16-0x0000000000400000-0x0000000000646000-memory.dmp
memory/244-17-0x0000000000400000-0x0000000000646000-memory.dmp
memory/244-19-0x000000001B6C0000-0x000000001B91F000-memory.dmp
memory/244-34-0x0000000000400000-0x0000000000646000-memory.dmp
memory/244-35-0x0000000000400000-0x0000000000646000-memory.dmp