Analysis Overview
SHA256
e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5
Threat Level: Known bad
The file e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-29 16:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-29 16:41
Reported
2023-11-29 16:44
Platform
win10v2004-20231127-en
Max time kernel
112s
Max time network
162s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe" | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2548 set thread context of 4856 | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"
C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp196A.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21F6.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 80.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.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 | rn72836.sytes.net | udp |
| VN | 103.114.106.29:6696 | rn72836.sytes.net | tcp |
| US | 8.8.8.8:53 | 29.106.114.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.111.26.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
Files
memory/2548-0-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2548-1-0x00000000001E0000-0x000000000028A000-memory.dmp
memory/2548-2-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/2548-3-0x0000000004C80000-0x0000000004D12000-memory.dmp
memory/2548-4-0x0000000004EE0000-0x0000000005234000-memory.dmp
memory/2548-5-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/2548-6-0x0000000004E40000-0x0000000004E4A000-memory.dmp
memory/2548-7-0x0000000005990000-0x00000000059AA000-memory.dmp
memory/2548-8-0x00000000065B0000-0x00000000065B8000-memory.dmp
memory/2548-9-0x00000000046C0000-0x00000000046CA000-memory.dmp
memory/2548-10-0x0000000006A70000-0x0000000006AE2000-memory.dmp
memory/2548-11-0x0000000006B80000-0x0000000006C1C000-memory.dmp
memory/4856-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4856-13-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2548-14-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4856-16-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/2548-17-0x0000000074FC0000-0x0000000075770000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp196A.tmp
| MD5 | 875dc87e150d02c32fff4a9b93e2c597 |
| SHA1 | 5fcabd949c2819d092fc8ebccb9f5ccd643cc414 |
| SHA256 | aba11d13c09cfc9704e52c7d9704a4eca16276e26f172d3853b78fc3c525e09a |
| SHA512 | 5780dbd6401991302f6b45e5b3ed9f929b3b6a4d93b0dd95f0800fee9a55912b942bb08929c3605f0fe9bb285a43719f7d4893344ad3999ce71683a4878d3b2f |
C:\Users\Admin\AppData\Local\Temp\tmp21F6.tmp
| MD5 | cdf5683344404764a0f3592e9db8a5a1 |
| SHA1 | 6705943b404de237cdd7080c05af25e2b1b6410c |
| SHA256 | 1ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff |
| SHA512 | 23c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b |
memory/4856-25-0x00000000064B0000-0x00000000064BA000-memory.dmp
memory/4856-26-0x0000000006540000-0x000000000655E000-memory.dmp
memory/4856-27-0x0000000006680000-0x000000000668A000-memory.dmp
memory/4856-30-0x0000000006F20000-0x0000000006F32000-memory.dmp
memory/4856-31-0x0000000006F30000-0x0000000006F4A000-memory.dmp
memory/4856-32-0x00000000070A0000-0x00000000070AE000-memory.dmp
memory/4856-33-0x00000000070B0000-0x00000000070C2000-memory.dmp
memory/4856-34-0x00000000070C0000-0x00000000070CE000-memory.dmp
memory/4856-35-0x00000000070D0000-0x00000000070DC000-memory.dmp
memory/4856-36-0x00000000070E0000-0x00000000070F4000-memory.dmp
memory/4856-37-0x00000000070F0000-0x0000000007100000-memory.dmp
memory/4856-38-0x0000000007110000-0x0000000007124000-memory.dmp
memory/4856-39-0x0000000007130000-0x000000000713E000-memory.dmp
memory/4856-40-0x0000000007140000-0x000000000716E000-memory.dmp
memory/4856-41-0x0000000007170000-0x0000000007184000-memory.dmp
memory/4856-42-0x0000000007210000-0x0000000007276000-memory.dmp
memory/4856-44-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4856-45-0x00000000054B0000-0x00000000054C0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-29 16:41
Reported
2023-11-29 16:44
Platform
win7-20231023-en
Max time kernel
118s
Max time network
153s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1408 set thread context of 1336 | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DPI Subsystem\dpiss.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DPI Subsystem\dpiss.exe | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"
C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE59E.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE744.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rn72836.sytes.net | udp |
| VN | 103.114.106.29:6696 | rn72836.sytes.net | tcp |
Files
memory/1408-0-0x00000000010D0000-0x000000000117A000-memory.dmp
memory/1408-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp
memory/1408-2-0x0000000004A00000-0x0000000004A40000-memory.dmp
memory/1408-3-0x0000000000550000-0x000000000056A000-memory.dmp
memory/1408-4-0x0000000000570000-0x0000000000578000-memory.dmp
memory/1408-5-0x0000000000590000-0x000000000059A000-memory.dmp
memory/1408-6-0x00000000052C0000-0x0000000005332000-memory.dmp
memory/1336-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1336-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1408-21-0x00000000748E0000-0x0000000074FCE000-memory.dmp
memory/1336-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1336-23-0x0000000074860000-0x0000000074F4E000-memory.dmp
memory/1336-24-0x0000000004DF0000-0x0000000004E30000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpE59E.tmp
| MD5 | 875dc87e150d02c32fff4a9b93e2c597 |
| SHA1 | 5fcabd949c2819d092fc8ebccb9f5ccd643cc414 |
| SHA256 | aba11d13c09cfc9704e52c7d9704a4eca16276e26f172d3853b78fc3c525e09a |
| SHA512 | 5780dbd6401991302f6b45e5b3ed9f929b3b6a4d93b0dd95f0800fee9a55912b942bb08929c3605f0fe9bb285a43719f7d4893344ad3999ce71683a4878d3b2f |
C:\Users\Admin\AppData\Local\Temp\tmpE744.tmp
| MD5 | 5fea24e883e06e4df6d240dc72abf2c5 |
| SHA1 | d778bf0f436141e02df4b421e8188abdcc9a84a4 |
| SHA256 | e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66 |
| SHA512 | 15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924 |
memory/1336-32-0x0000000000610000-0x000000000061A000-memory.dmp
memory/1336-33-0x0000000000700000-0x000000000071E000-memory.dmp
memory/1336-34-0x0000000000620000-0x000000000062A000-memory.dmp
memory/1336-37-0x0000000000770000-0x0000000000782000-memory.dmp
memory/1336-38-0x0000000000D20000-0x0000000000D3A000-memory.dmp
memory/1336-39-0x0000000000D40000-0x0000000000D4E000-memory.dmp
memory/1336-40-0x0000000000D60000-0x0000000000D72000-memory.dmp
memory/1336-41-0x0000000000D70000-0x0000000000D7E000-memory.dmp
memory/1336-42-0x0000000000DC0000-0x0000000000DCC000-memory.dmp
memory/1336-43-0x00000000010B0000-0x00000000010C4000-memory.dmp
memory/1336-44-0x00000000010C0000-0x00000000010D0000-memory.dmp
memory/1336-45-0x0000000004850000-0x0000000004864000-memory.dmp
memory/1336-46-0x0000000004860000-0x000000000486E000-memory.dmp
memory/1336-47-0x0000000004FD0000-0x0000000004FFE000-memory.dmp
memory/1336-48-0x0000000004880000-0x0000000004894000-memory.dmp
memory/1336-50-0x0000000074860000-0x0000000074F4E000-memory.dmp
memory/1336-51-0x0000000004DF0000-0x0000000004E30000-memory.dmp