Analysis Overview
SHA256
b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a
Threat Level: Known bad
The file b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a was found to be: Known bad.
Malicious Activity Summary
Stealc
Downloads MZ/PE file
Reads user/profile data of web browsers
Loads dropped DLL
Reads data files stored by FTP clients
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Program crash
Unsigned PE
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 19:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 19:50
Reported
2024-05-07 19:53
Platform
win11-20240419-en
Max time kernel
146s
Max time network
152s
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\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe |
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\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe
"C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3788 -ip 3788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 2468
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.151:80 | 185.172.128.151 | tcp |
| US | 8.8.8.8:53 | 151.128.172.185.in-addr.arpa | udp |
Files
memory/3788-1-0x0000000002D10000-0x0000000002E10000-memory.dmp
memory/3788-2-0x0000000002F60000-0x0000000002F87000-memory.dmp
memory/3788-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3788-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3788-52-0x0000000000400000-0x0000000002AFE000-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 |
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/3788-82-0x0000000002F60000-0x0000000002F87000-memory.dmp
memory/3788-83-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3788-81-0x0000000000400000-0x0000000002AFE000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 19:50
Reported
2024-05-07 19:53
Platform
win10v2004-20240426-en
Max time kernel
142s
Max time network
108s
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\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe
"C:\Users\Admin\AppData\Local\Temp\b40400bbb2dfc39bdebeb77bf2f2d3b5a59c38d06cfcb63b8594a62019eb313a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 740 -ip 740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 2112
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| DE | 185.172.128.151:80 | 185.172.128.151 | tcp |
| US | 8.8.8.8:53 | 151.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/740-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/740-2-0x0000000002E80000-0x0000000002EA7000-memory.dmp
memory/740-1-0x0000000002C80000-0x0000000002D80000-memory.dmp
memory/740-4-0x0000000061E00000-0x0000000061EF3000-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 |
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/740-80-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/740-82-0x0000000000400000-0x000000000063B000-memory.dmp
memory/740-81-0x0000000000400000-0x0000000002AFE000-memory.dmp