Analysis Overview
SHA256
bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361
Threat Level: Known bad
The file bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361 was found to be: Known bad.
Malicious Activity Summary
Stealc
Downloads MZ/PE file
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
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
2024-06-26 22:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 22:36
Reported
2024-06-26 22:39
Platform
win10v2004-20240611-en
Max time kernel
133s
Max time network
112s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3520 set thread context of 3144 | N/A | C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe
"C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
Network
| Country | Destination | Domain | Proto |
| DE | 65.21.175.0:80 | 65.21.175.0 | tcp |
| 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 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.175.21.65.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| 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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/3520-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp
memory/3520-1-0x0000000000CD0000-0x0000000000E02000-memory.dmp
C:\Users\Admin\AppData\Roaming\d3d9.dll
| MD5 | 8fa26f1e37d3ff7f736fc93d520bc8ab |
| SHA1 | ad532e1cb4a1b3cd82c7a85647f8f6dd99833bb1 |
| SHA256 | 6c47da8fbd12f22d7272fbf223e054bf5093c0922d0e8fb7d6289a5913c2e45d |
| SHA512 | 8a0b53cbc3a20e2f0fd41c486b1af1fbbcf7f2fed9f7368b672a07f25faaa2568bbdbcf0841233ac8c473a4d1dee099e90bf6098a6fa15e44b8526efdafc1287 |
memory/3144-8-0x0000000000400000-0x000000000063C000-memory.dmp
memory/3144-13-0x0000000000400000-0x000000000063C000-memory.dmp
memory/3520-12-0x0000000074E30000-0x00000000755E0000-memory.dmp
memory/3144-11-0x0000000000400000-0x000000000063C000-memory.dmp
memory/3144-14-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/3144-84-0x0000000000400000-0x000000000063C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 22:36
Reported
2024-06-26 22:39
Platform
win11-20240419-en
Max time kernel
90s
Max time network
95s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4048 set thread context of 4472 | N/A | C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe
"C:\Users\Admin\AppData\Local\Temp\bac402b5749b2da2211db6d2404c1c621ccd0c2e5d492eb6f973b3e2d38dd361.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
Network
| Country | Destination | Domain | Proto |
| DE | 65.21.175.0:80 | 65.21.175.0 | tcp |
| US | 8.8.8.8:53 | 0.175.21.65.in-addr.arpa | udp |
Files
memory/4048-0-0x00000000745DE000-0x00000000745DF000-memory.dmp
memory/4048-1-0x00000000001F0000-0x0000000000322000-memory.dmp
C:\Users\Admin\AppData\Roaming\d3d9.dll
| MD5 | 8fa26f1e37d3ff7f736fc93d520bc8ab |
| SHA1 | ad532e1cb4a1b3cd82c7a85647f8f6dd99833bb1 |
| SHA256 | 6c47da8fbd12f22d7272fbf223e054bf5093c0922d0e8fb7d6289a5913c2e45d |
| SHA512 | 8a0b53cbc3a20e2f0fd41c486b1af1fbbcf7f2fed9f7368b672a07f25faaa2568bbdbcf0841233ac8c473a4d1dee099e90bf6098a6fa15e44b8526efdafc1287 |
memory/4472-8-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4472-10-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4048-12-0x00000000745D0000-0x0000000074D81000-memory.dmp
memory/4472-13-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4472-14-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/4472-84-0x0000000000400000-0x000000000063C000-memory.dmp