Analysis Overview
SHA256
9993b7040d4e10c0279053f8f681628634b87ab5ac2cfc33695b29ce549d76bc
Threat Level: Known bad
The file 586f7fecacd49adab650fae36e2db994.bin was found to be: Known bad.
Malicious Activity Summary
Stealc
Downloads MZ/PE file
Loads dropped DLL
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
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-08 01:16
Reported
2024-04-08 01:19
Platform
win7-20240221-en
Max time kernel
119s
Max time network
127s
Command Line
Signatures
Stealc
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2304 set thread context of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe
"C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 256
Network
Files
memory/2304-0-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2304-1-0x0000000000CE0000-0x0000000000D0E000-memory.dmp
memory/2304-4-0x0000000002230000-0x0000000004230000-memory.dmp
memory/2688-5-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-8-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-11-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-10-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-7-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2688-13-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2304-17-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2688-16-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-19-0x0000000000400000-0x000000000063B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 01:16
Reported
2024-04-08 01:18
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Stealc
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4604 set thread context of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe
"C:\Users\Admin\AppData\Local\Temp\cf88d499c83da613ad5ccd8805822901bdc3a12eb9b15804aeff8c53dc05fc4e.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| FR | 52.143.157.84:80 | 52.143.157.84 | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.157.143.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
memory/4604-0-0x00000000005C0000-0x00000000005EE000-memory.dmp
memory/4604-1-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2344-4-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2344-7-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4604-9-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4604-10-0x0000000002AC0000-0x0000000004AC0000-memory.dmp
memory/2344-11-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2344-12-0x0000000061E00000-0x0000000061EF3000-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/2344-80-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4604-81-0x0000000002AC0000-0x0000000004AC0000-memory.dmp