Analysis Overview
SHA256
4a67899d740ecd593679a000e4fd663474307306640d8862a2d986ba4ce3b189
Threat Level: Known bad
The file 605c35366b7c51d33746d7173b9a5169.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-06 10:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-06 10:50
Reported
2024-01-06 10:54
Platform
win7-20231215-en
Max time kernel
144s
Max time network
152s
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\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2780 set thread context of 440 | N/A | C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\LAN Monitor\lanmon.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LAN Monitor\lanmon.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Enumerates physical storage devices
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 |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe
"C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sjxNYmz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65E4.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6D63.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6EEA.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1116.hopto.org | udp |
| RU | 194.147.140.136:1116 | 1116.hopto.org | tcp |
| US | 8.8.8.8:53 | 1116.hopto.org | udp |
| RU | 194.147.140.136:1116 | 1116.hopto.org | tcp |
| US | 8.8.8.8:53 | 1116.hopto.org | udp |
| RU | 194.147.140.136:1116 | 1116.hopto.org | tcp |
| DE | 185.140.53.9:1116 | tcp | |
| DE | 185.140.53.9:1116 | tcp | |
| DE | 185.140.53.9:1116 | tcp |
Files
memory/2780-0-0x0000000001360000-0x000000000147E000-memory.dmp
memory/2780-1-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/2780-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/2780-3-0x0000000000580000-0x00000000005A2000-memory.dmp
memory/2780-4-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/2780-5-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/2780-6-0x0000000004F20000-0x0000000004FA2000-memory.dmp
memory/2780-7-0x00000000011A0000-0x00000000011DA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp65E4.tmp
| MD5 | 76008acf5c08aa64e40a96ba1cd5e783 |
| SHA1 | f506f4d5e4743b2c33f3a4d93260c93d7b838245 |
| SHA256 | 8aab931900a539ffb3d82d6c0e3d9d165bd9fe55eac5bff2c13081c7e0528b16 |
| SHA512 | 15615c34dd626a51dd8b4ee54e52a909c773f72341c8d8b4ad070ff8ef36a8e0e27a11747b5b1e3cb2a11d5952c5a54bf268028f718b2e81a97af422285c31cd |
memory/440-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/440-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/440-29-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/2780-28-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/440-30-0x0000000004C00000-0x0000000004C40000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp6D63.tmp
| MD5 | 8cad1b41587ced0f1e74396794f31d58 |
| SHA1 | 11054bf74fcf5e8e412768035e4dae43aa7b710f |
| SHA256 | 3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c |
| SHA512 | 99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef |
C:\Users\Admin\AppData\Local\Temp\tmp6EEA.tmp
| MD5 | ecf141ec69adbb2a5c3dd5c85cd0ec39 |
| SHA1 | 0ad224632fa58d103142c05c44a142f3d7208291 |
| SHA256 | 64d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316 |
| SHA512 | 4821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201 |
memory/440-38-0x00000000003F0000-0x00000000003FA000-memory.dmp
memory/440-39-0x0000000000440000-0x000000000045E000-memory.dmp
memory/440-40-0x0000000000460000-0x000000000046A000-memory.dmp
memory/440-41-0x0000000004C00000-0x0000000004C40000-memory.dmp
memory/440-42-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/440-43-0x0000000004C00000-0x0000000004C40000-memory.dmp
memory/440-44-0x0000000004C00000-0x0000000004C40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-06 10:50
Reported
2024-01-06 10:53
Platform
win10v2004-20231215-en
Max time kernel
57s
Max time network
119s
Command Line
Signatures
NanoCore
Enumerates physical storage devices
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 |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe
"C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAT Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2FD6.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAT Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2FB6.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sjxNYmz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E20.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.68.123.157:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.68.123.157:443 | tcp | |
| N/A | 40.68.123.157:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 51.124.78.146:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.3.187.198:443 | tcp | |
| N/A | 51.124.78.146:443 | tcp | |
| N/A | 51.124.78.146:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.68.123.157:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.3.187.198:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.68.123.157:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.68.123.157:443 | tcp | |
| N/A | 92.123.241.104:80 | tcp | |
| N/A | 92.123.241.104:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| GB | 88.221.135.217:80 | tcp | |
| N/A | 20.54.110.119:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 20.3.187.198:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| RU | 194.147.140.136:1116 | tcp | |
| DE | 185.140.53.9:1116 | tcp | |
| 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4972-1-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/4972-2-0x00000000058A0000-0x000000000593C000-memory.dmp
memory/4972-3-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/4972-4-0x00000000059E0000-0x0000000005A72000-memory.dmp
memory/4972-7-0x0000000005B70000-0x0000000005BC6000-memory.dmp
memory/4972-6-0x0000000005950000-0x000000000595A000-memory.dmp
memory/4972-5-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4972-0-0x0000000000D90000-0x0000000000EAE000-memory.dmp
memory/4972-8-0x0000000005C40000-0x0000000005C62000-memory.dmp
memory/4972-9-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/4972-10-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4972-12-0x0000000007180000-0x00000000071BA000-memory.dmp
memory/4972-11-0x0000000007100000-0x0000000007182000-memory.dmp
memory/3020-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3020-22-0x0000000005440000-0x0000000005450000-memory.dmp
memory/4972-21-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/3020-20-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/3020-31-0x0000000006270000-0x000000000628E000-memory.dmp
memory/3020-32-0x0000000005430000-0x000000000543A000-memory.dmp
memory/3020-30-0x00000000051E0000-0x00000000051EA000-memory.dmp
memory/3020-33-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/3020-34-0x0000000005440000-0x0000000005450000-memory.dmp