Analysis Overview
SHA256
dc1635104ff64d96e711bbe22d2ee026b01d36f10a84555f75b1a4634d34108f
Threat Level: Known bad
The file DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe was found to be: Known bad.
Malicious Activity Summary
Detect ZGRat V1
Zgrat family
NanoCore
Nanocore family
.NET Reactor proctector
Checks whether UAC is enabled
Adds Run key to start application
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-03 17:31
Signatures
Detect ZGRat V1
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Nanocore family
Zgrat family
.NET Reactor proctector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-03 17:31
Reported
2023-12-03 17:33
Platform
win7-20231201-en
Max time kernel
145s
Max time network
149s
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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsvc.exe" | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.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\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\UDP Service\udpsvc.exe | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
| File opened for modification | C:\Program Files (x86)\UDP Service\udpsvc.exe | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe
"C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.4.4:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.4.4:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.4.4:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis111.duckdns.org | udp |
| US | 8.8.4.4:53 | anunankis111.duckdns.org | udp |
| US | 8.8.8.8:53 | anunankis111.duckdns.org | udp |
Files
memory/2332-0-0x0000000074EC0000-0x000000007546B000-memory.dmp
memory/2332-1-0x00000000002A0000-0x00000000002E0000-memory.dmp
memory/2332-2-0x0000000074EC0000-0x000000007546B000-memory.dmp
memory/2332-5-0x0000000074EC0000-0x000000007546B000-memory.dmp
memory/2332-6-0x00000000002A0000-0x00000000002E0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-03 17:31
Reported
2023-12-03 17:33
Platform
win10v2004-20231127-en
Max time kernel
142s
Max time network
158s
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\SMTP Service = "C:\\Program Files (x86)\\SMTP Service\\smtpsv.exe" | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.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\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\SMTP Service\smtpsv.exe | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
| File opened for modification | C:\Program Files (x86)\SMTP Service\smtpsv.exe | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe
"C:\Users\Admin\AppData\Local\Temp\DC1635104FF64D96E711BBE22D2EE026B01D36F10A845.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.3.125.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | anunankis1.duckdns.org | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| ES | 83.213.157.103:5555 | anunankis1.duckdns.org | tcp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 226.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.157.213.83.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 169.153.247.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 115.85.214.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
Files
memory/2956-0-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/2956-1-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/2956-2-0x0000000000F60000-0x0000000000F70000-memory.dmp
memory/2956-5-0x0000000000F60000-0x0000000000F70000-memory.dmp
memory/2956-9-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/2956-10-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/2956-11-0x0000000000F60000-0x0000000000F70000-memory.dmp