Analysis Overview
SHA256
695b8d6b97edf8239d5ae772c2d726740d81a0b4893199c3be812406e0942123
Threat Level: Known bad
The file 9d8339d342ed747583da03583afdb445.exe was found to be: Known bad.
Malicious Activity Summary
Stealc
Stealc family
Downloads MZ/PE file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 19:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 19:26
Reported
2024-11-09 19:28
Platform
win7-20240903-en
Max time kernel
141s
Max time network
120s
Command Line
Signatures
Stealc
Stealc family
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2752 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe |
| PID 2752 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe |
| PID 2752 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe |
| PID 2752 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe
"C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe"
C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\4194.tmp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | post-to-me.com | udp |
| US | 172.67.179.207:443 | post-to-me.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.195:80 | c.pki.goog | tcp |
| RU | 176.113.115.37:80 | 176.113.115.37 | tcp |
| RU | 62.204.41.163:80 | 62.204.41.163 | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.117.18:80 | crl.microsoft.com | tcp |
Files
memory/2752-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp
memory/2752-2-0x0000000000220000-0x0000000000285000-memory.dmp
memory/2752-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/2752-19-0x0000000002CE0000-0x0000000002DE0000-memory.dmp
memory/2752-21-0x0000000000220000-0x0000000000285000-memory.dmp
memory/2752-20-0x0000000000400000-0x0000000002B74000-memory.dmp
memory/2752-22-0x0000000000400000-0x0000000000468000-memory.dmp
\Users\Admin\AppData\Local\Temp\4194.tmp.exe
| MD5 | f7e637924f021b359d158d31c93d239f |
| SHA1 | dfc068dc3c019741c56481bdc1d2ff216ac50765 |
| SHA256 | f87fafe5077d57748093d125dccf8fb8d80bed99de2f11c5032ddd80ae09b3b1 |
| SHA512 | 2203fcb797198774dd9a43304a221849e2170c3c6dc8b55c7859a0482026c1dfdb6bcae74fe35c6296fa954fe0fd2b571c1f2b411259a667247d2d3b15ccfd9c |
memory/3044-43-0x0000000000400000-0x0000000002B50000-memory.dmp
memory/2752-44-0x0000000000400000-0x0000000002B74000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 19:26
Reported
2024-11-09 19:28
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
139s
Command Line
Signatures
Stealc
Stealc family
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe | N/A |
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\E6C6.tmp.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4628 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe |
| PID 4628 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe |
| PID 4628 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe | C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe
"C:\Users\Admin\AppData\Local\Temp\9d8339d342ed747583da03583afdb445.exe"
C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2396 -ip 2396
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 1016
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | post-to-me.com | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 104.21.56.70:443 | post-to-me.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.195:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 70.56.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| RU | 176.113.115.37:80 | 176.113.115.37 | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.115.113.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| RU | 62.204.41.163:80 | 62.204.41.163 | tcp |
| US | 8.8.8.8:53 | 163.41.204.62.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/4628-1-0x0000000002D30000-0x0000000002E30000-memory.dmp
memory/4628-2-0x00000000047D0000-0x0000000004835000-memory.dmp
memory/4628-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4628-4-0x0000000002D30000-0x0000000002E30000-memory.dmp
memory/4628-6-0x00000000047D0000-0x0000000004835000-memory.dmp
memory/4628-5-0x0000000000400000-0x0000000002B74000-memory.dmp
memory/4628-7-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4628-14-0x0000000000400000-0x0000000002B74000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\E6C6.tmp.exe
| MD5 | f7e637924f021b359d158d31c93d239f |
| SHA1 | dfc068dc3c019741c56481bdc1d2ff216ac50765 |
| SHA256 | f87fafe5077d57748093d125dccf8fb8d80bed99de2f11c5032ddd80ae09b3b1 |
| SHA512 | 2203fcb797198774dd9a43304a221849e2170c3c6dc8b55c7859a0482026c1dfdb6bcae74fe35c6296fa954fe0fd2b571c1f2b411259a667247d2d3b15ccfd9c |
memory/4628-29-0x0000000000400000-0x0000000002B74000-memory.dmp
memory/2396-30-0x0000000000400000-0x0000000002B50000-memory.dmp