Analysis Overview
SHA256
6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e
Threat Level: Known bad
The file 6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Vidar
Stealc
Downloads MZ/PE file
Reads user/profile data of web browsers
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies system certificate store
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
win7-20231129-en
Max time kernel
120s
Max time network
122s
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\katE91.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.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 2232 set thread context of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe | C:\Users\Admin\AppData\Local\Temp\katE91.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\katE91.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\katE91.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\katE91.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\katE91.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katE91.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe
"C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe"
C:\Users\Admin\AppData\Local\Temp\katE91.tmp
C:\Users\Admin\AppData\Local\Temp\katE91.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | 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 |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
Files
memory/2232-0-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2352-18-0x0000000000400000-0x0000000000646000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katE91.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/2352-23-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-22-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2232-20-0x0000000000400000-0x00000000005EC000-memory.dmp
memory/2352-17-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-15-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-8-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-14-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-10-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2232-11-0x0000000003300000-0x0000000003449000-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\Tar12DA.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 147ec02cd3681157b5120e3e22131b7e |
| SHA1 | 255cc02fe9e72869dc0276d457a33a60d987cf8c |
| SHA256 | c106379f9182a53ee3e16ca73c65a25ea27c082f8a2feb10fa83cf2b86ebfac6 |
| SHA512 | 01cccad821c45d1dc8412d30a9ceb2ee1c2aeb5a18cbceb40d85e1ffde95950d2637a40f268b805aed91e7e655babdb7648a44fe62b9f88f41d84d47a3000957 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
| MD5 | 7bb20c8aebb35c5841d5e20f660a8cfb |
| SHA1 | c4f0b184511556fc58718fa7ec06853a60aef7c0 |
| SHA256 | 15e89befb58084eda57618c083dd65755395ae151f7670388126ea61d8fd145a |
| SHA512 | 7417b611650af1d618c0a545988f8e93006a452c4a3a21933f58ccf22f4dc41253a069ff8b5010362bd09d478f029cea749d752147225d7893ec96d752380819 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
| MD5 | a266bb7dcc38a562631361bbf61dd11b |
| SHA1 | 3b1efd3a66ea28b16697394703a72ca340a05bd5 |
| SHA256 | df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e |
| SHA512 | 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc |
memory/2352-192-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-241-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-243-0x00000000228B0000-0x0000000022B0F000-memory.dmp
memory/2352-254-0x0000000000400000-0x0000000000646000-memory.dmp
memory/2352-279-0x0000000000400000-0x0000000000646000-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
301s
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
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6CD3.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 1900 set thread context of 4852 | N/A | C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe | C:\Users\Admin\AppData\Local\Temp\kat6CD3.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\kat6CD3.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe
"C:\Users\Admin\AppData\Local\Temp\6bddc3c6bbde8dc2b40607bec7bfb990a2ee59367fd428b2715eab93f85a155e.exe"
C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp
C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| US | 20.231.121.79:80 | 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 | 137.241.217.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.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 | tcp | |
| FI | 95.217.241.137:443 | 95.217.241.137 | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.253.116.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/1900-0-0x0000000000860000-0x0000000000861000-memory.dmp
memory/1900-1-0x0000000003E60000-0x0000000003FA9000-memory.dmp
memory/4852-8-0x0000000000400000-0x0000000000646000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat6CD3.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1900-9-0x0000000000400000-0x00000000005EC000-memory.dmp
memory/4852-4-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4852-10-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4852-16-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4852-17-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4852-19-0x000000001B6C0000-0x000000001B91F000-memory.dmp
memory/4852-34-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4852-35-0x0000000000400000-0x0000000000646000-memory.dmp