Analysis Overview
SHA256
c64daa27c0465771e2df05a9dfd33540793005c5e500b3641f5c52fc06845b82
Threat Level: Known bad
The file eafwafafa.exe was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Checks computer location settings
Executes dropped EXE
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Drops file in Windows directory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-15 18:48
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-15 18:48
Reported
2025-01-15 18:51
Platform
win10ltsc2021-20250113-en
Max time kernel
101s
Max time network
127s
Command Line
Signatures
Orcus
Orcus family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3463531801-1484541064-3495084620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.ngrok.io | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\eafwafafa.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\eafwafafa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4028 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4028 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4028 wrote to memory of 1100 | N/A | C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe
"C:\Users\Admin\AppData\Local\Temp\eafwafafa.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.ngrok.io | udp |
| US | 3.135.250.11:19843 | 0.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.250.135.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fd.api.iris.microsoft.com | udp |
| IE | 20.223.35.26:443 | fd.api.iris.microsoft.com | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/4028-0-0x00000000751D2000-0x00000000751D3000-memory.dmp
memory/4028-1-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/4028-2-0x00000000751D0000-0x0000000075781000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 118dfc8a885a3d4e965570149afe3893 |
| SHA1 | 224a6d377419a6b2b8214ec0af9b07f3cfe6287c |
| SHA256 | c64daa27c0465771e2df05a9dfd33540793005c5e500b3641f5c52fc06845b82 |
| SHA512 | 687159a7022036fdddc6973deb0a540ee70f8545c832b065cca712539ee41dca3037949e7f33b388fabdb05f55685f65ead7889b319338d645fb64f3292d8b5c |
memory/1100-7-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/4028-8-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/1100-9-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/1100-10-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/1100-11-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/1100-13-0x00000000751D0000-0x0000000075781000-memory.dmp