Analysis Overview
SHA256
2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4
Threat Level: Known bad
The file 2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4 was found to be: Known bad.
Malicious Activity Summary
Stealc
Detect binaries embedding considerable number of MFA browser extension IDs.
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Downloads MZ/PE file
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of web browsers
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 19:59
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 19:59
Reported
2024-06-15 20:01
Platform
win7-20240220-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe
"C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 68
Network
Files
memory/2080-0-0x0000000000020000-0x0000000000021000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 19:59
Reported
2024-06-15 20:01
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Stealc
Detect binaries embedding considerable number of MFA browser extension IDs.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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 2516 set thread context of 4540 | N/A | C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.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\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.exe
"C:\Users\Admin\AppData\Local\Temp\2a98c1dde08c8cca1d331e7b369d26711153b97adb82e444a3905721c49862d4.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 |
| RU | 94.228.166.55:80 | 94.228.166.55 | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.166.228.94.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2516-0-0x00000000017E0000-0x00000000017E1000-memory.dmp
memory/4540-1-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4540-3-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4540-4-0x0000000000400000-0x000000000063C000-memory.dmp
memory/4540-5-0x0000000061E00000-0x0000000061EF3000-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/4540-77-0x0000000000400000-0x000000000063C000-memory.dmp