Analysis Overview
SHA256
a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38
Threat Level: Known bad
The file a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe was found to be: Known bad.
Malicious Activity Summary
Phemedrone
Phemedrone family
Reads user/profile data of web browsers
Looks up external IP address via web service
Drops file in System32 directory
Unsigned PE
Program crash
Enumerates system info in registry
Uses Task Scheduler COM API
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-09 14:38
Signatures
Phemedrone family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-09 14:38
Reported
2023-09-09 14:41
Platform
win7-20230831-en
Max time kernel
118s
Max time network
121s
Command Line
Signatures
Phemedrone
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2076 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe | C:\Windows\system32\WerFault.exe |
| PID 2076 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe | C:\Windows\system32\WerFault.exe |
| PID 2076 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2076 -s 1712
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2076-0-0x00000000013C0000-0x00000000013DC000-memory.dmp
memory/2076-1-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp
memory/2076-2-0x0000000001340000-0x00000000013C0000-memory.dmp
memory/2076-3-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp
memory/2076-4-0x0000000001340000-0x00000000013C0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-09 14:38
Reported
2023-09-09 14:41
Platform
win10v2004-20230831-en
Max time kernel
138s
Max time network
144s
Command Line
Signatures
Phemedrone
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{9AEF3A36-9741-4ECC-B174-6CA5409B4B6A}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\System32\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.179.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.65.42.20.in-addr.arpa | udp |
Files
memory/2640-0-0x0000000000370000-0x000000000038C000-memory.dmp
memory/2640-1-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp
memory/2640-2-0x000000001B3E0000-0x000000001B3F0000-memory.dmp
memory/2640-10-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp
memory/2640-11-0x000000001B3E0000-0x000000001B3F0000-memory.dmp
memory/2640-13-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp