Analysis Overview
SHA256
a91d9f566a433a99e842f33931932c66b86f8c5b74b4322484e54acaa06a2cff
Threat Level: Shows suspicious behavior
The file eptfydgqkrerhxuq.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Reads user/profile data of web browsers
Looks up external IP address via web service
Checks installed software on the system
Accesses Microsoft Outlook profiles
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Browser Information Discovery
Unsigned PE
Runs ping.exe
outlook_win_path
outlook_office_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 00:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 00:36
Reported
2024-10-16 00:38
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1668 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | C:\Windows\system32\WerFault.exe |
| PID 1668 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | C:\Windows\system32\WerFault.exe |
| PID 1668 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe
"C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1668 -s 44
Network
Files
memory/1668-1-0x000000013FD11000-0x000000013FD12000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 00:36
Reported
2024-10-16 00:38
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
149s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Browser Information Discovery
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4508 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | C:\Windows\System32\cmd.exe |
| PID 4508 wrote to memory of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | C:\Windows\System32\cmd.exe |
| PID 2300 wrote to memory of 1424 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 2300 wrote to memory of 1424 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\PING.EXE |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe
"C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"
C:\Windows\system32\PING.EXE
ping 1.1.1.1 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| DE | 79.137.202.152:15666 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.178.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 152.202.137.79.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.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 | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/4508-4-0x00007FF759331000-0x00007FF759332000-memory.dmp
memory/4508-0-0x00007FF6D93C0000-0x00007FF6D93C1000-memory.dmp
memory/4508-5-0x00007FF7592D0000-0x00007FF759510000-memory.dmp
memory/4508-8-0x00007FF7592D0000-0x00007FF759510000-memory.dmp