Analysis Overview
SHA256
58b525579968cba0c68e8f7ae12e51e0b5542acc2c14a2e75fa6df44556e373f
Threat Level: Known bad
The file Jefutyl.exe was found to be: Known bad.
Malicious Activity Summary
Phemedrone family
Phemedrone
Reads user/profile data of web browsers
Looks up external IP address via web service
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-02 13:51
Signatures
Phemedrone family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-02 13:51
Reported
2023-10-02 13:54
Platform
win7-20230831-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Phemedrone
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | C:\Windows\system32\WerFault.exe |
| PID 2244 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | C:\Windows\system32\WerFault.exe |
| PID 2244 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe
"C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2244 -s 520
Network
Files
memory/2244-0-0x0000000000840000-0x000000000085C000-memory.dmp
memory/2244-1-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp
memory/2244-2-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-02 13:51
Reported
2023-10-02 13:54
Platform
win10v2004-20230915-en
Max time kernel
148s
Max time network
152s
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 |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe
"C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.211.247.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.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 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 252.15.104.51.in-addr.arpa | udp |
Files
memory/1396-0-0x0000000000440000-0x000000000045C000-memory.dmp
memory/1396-1-0x00007FFFABFA0000-0x00007FFFACA61000-memory.dmp
memory/1396-2-0x000000001B220000-0x000000001B230000-memory.dmp
memory/1396-3-0x00007FFFABFA0000-0x00007FFFACA61000-memory.dmp
memory/1396-4-0x000000001B220000-0x000000001B230000-memory.dmp
memory/1396-6-0x00007FFFABFA0000-0x00007FFFACA61000-memory.dmp