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 01:06
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 01:06
Reported
2023-10-02 01:08
Platform
win7-20230831-en
Max time kernel
32s
Max time network
20s
Command Line
Signatures
Phemedrone
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2132 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | C:\Windows\system32\WerFault.exe |
| PID 2132 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\Jefutyl.exe | C:\Windows\system32\WerFault.exe |
| PID 2132 wrote to memory of 1712 | 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 2132 -s 524
Network
Files
memory/2132-0-0x0000000000C00000-0x0000000000C1C000-memory.dmp
memory/2132-1-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
memory/2132-2-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-02 01:06
Reported
2023-10-02 01:08
Platform
win10v2004-20230915-en
Max time kernel
91s
Max time network
95s
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 |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\svchost.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
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
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 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 135.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/1920-0-0x00000000003D0000-0x00000000003EC000-memory.dmp
memory/1920-1-0x00007FFA54D50000-0x00007FFA55811000-memory.dmp
memory/1920-2-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/1920-3-0x00007FFA54D50000-0x00007FFA55811000-memory.dmp
memory/1920-4-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/1920-6-0x00007FFA54D50000-0x00007FFA55811000-memory.dmp
memory/3468-7-0x000001CEC2340000-0x000001CEC2350000-memory.dmp
memory/3468-23-0x000001CEC2440000-0x000001CEC2450000-memory.dmp
memory/3468-39-0x000001CECA740000-0x000001CECA741000-memory.dmp
memory/3468-41-0x000001CECA770000-0x000001CECA771000-memory.dmp
memory/3468-42-0x000001CECA770000-0x000001CECA771000-memory.dmp
memory/3468-43-0x000001CECA880000-0x000001CECA881000-memory.dmp