Analysis Overview
SHA256
4a67899d740ecd593679a000e4fd663474307306640d8862a2d986ba4ce3b189
Threat Level: Known bad
The file 605c35366b7c51d33746d7173b9a5169 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 08:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 08:38
Reported
2024-01-06 06:45
Platform
win7-20231215-en
Max time kernel
60s
Max time network
145s
Command Line
Signatures
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\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 Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8B9.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp879.tmp"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sjxNYmz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp751.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/1680-1-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/1680-0-0x0000000000FE0000-0x00000000010FE000-memory.dmp
memory/1680-2-0x0000000004820000-0x0000000004860000-memory.dmp
memory/1680-3-0x00000000004E0000-0x0000000000502000-memory.dmp
memory/1680-4-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/1680-5-0x0000000004820000-0x0000000004860000-memory.dmp
memory/1680-6-0x0000000005460000-0x00000000054E2000-memory.dmp
memory/1680-7-0x0000000000A70000-0x0000000000AAA000-memory.dmp
memory/2896-29-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/2896-30-0x0000000004DA0000-0x0000000004DE0000-memory.dmp
memory/1680-28-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/2896-40-0x0000000000580000-0x000000000058A000-memory.dmp
memory/2896-39-0x0000000000550000-0x000000000056E000-memory.dmp
memory/2896-38-0x0000000000540000-0x000000000054A000-memory.dmp
memory/2896-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2896-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2896-41-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/2896-42-0x0000000004DA0000-0x0000000004DE0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 08:38
Reported
2024-01-06 06:46
Platform
win10v2004-20231215-en
Max time kernel
167s
Max time network
179s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Manager = "C:\\Program Files (x86)\\ARP Manager\\arpmgr.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4292 set thread context of 4892 | 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)\ARP Manager\arpmgr.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\ARP Manager\arpmgr.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:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe | N/A |
| 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 |
| 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:\Users\Admin\AppData\Local\Temp\605c35366b7c51d33746d7173b9a5169.exe | N/A |
| 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\tmp64.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 "ARP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp749.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp10C0.tmp"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| 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 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| 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 |
Files
memory/4292-1-0x0000000000D50000-0x0000000000E6E000-memory.dmp
memory/4292-0-0x0000000075190000-0x0000000075940000-memory.dmp
memory/4292-2-0x00000000058A0000-0x000000000593C000-memory.dmp
memory/4292-3-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/4292-4-0x0000000005940000-0x00000000059D2000-memory.dmp
memory/4292-5-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/4292-6-0x0000000005850000-0x000000000585A000-memory.dmp
memory/4292-7-0x0000000005B80000-0x0000000005BD6000-memory.dmp
memory/4292-8-0x0000000005D90000-0x0000000005DB2000-memory.dmp
memory/4292-9-0x0000000075190000-0x0000000075940000-memory.dmp
memory/4292-10-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/4292-11-0x00000000016E0000-0x0000000001762000-memory.dmp
memory/4292-12-0x00000000015E0000-0x000000000161A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp64.tmp
| MD5 | 5ab73a4127f2b244bb189cb2390cb47c |
| SHA1 | 2257d69c15a7e9cf669acb09d47a6deae90b510c |
| SHA256 | 6c823819052208efc65d3615a7a193122b2c94fb3914a11737cae1568e09a189 |
| SHA512 | dbd310258e537d9b3fd442c22d582a5160f4d7b0a5fdb4602102b4893ce9a080b9fea772433477c744f6718a864860fd8e2867e3dd835bd5ac6a06aa6c646bf8 |
memory/4892-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4892-21-0x0000000075190000-0x0000000075940000-memory.dmp
memory/4292-20-0x0000000075190000-0x0000000075940000-memory.dmp
memory/4892-22-0x0000000005330000-0x0000000005340000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp749.tmp
| MD5 | 8cad1b41587ced0f1e74396794f31d58 |
| SHA1 | 11054bf74fcf5e8e412768035e4dae43aa7b710f |
| SHA256 | 3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c |
| SHA512 | 99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef |
C:\Users\Admin\AppData\Local\Temp\tmp10C0.tmp
| MD5 | b6fc28b9f341812fc919e0d4c5ac0941 |
| SHA1 | d49341ec5a78189830dbf64b2bb553d0fbe06e88 |
| SHA256 | 2aacf4d9629bbec978f5a9ecfe8009cd18cfb5dbde09507937e0aaa13b1aeaba |
| SHA512 | 166ece1d42a5f438142bc5df5f34b30ee17de5844383bb7517200ee77d77b1b8096e963739cc9188602742984d2e1dc8bc9788d8ae12010e5a05415676e29fdf |
memory/4892-31-0x00000000061E0000-0x00000000061FE000-memory.dmp
memory/4892-30-0x0000000005FE0000-0x0000000005FEA000-memory.dmp
memory/4892-32-0x0000000006440000-0x000000000644A000-memory.dmp
memory/4892-33-0x0000000005330000-0x0000000005340000-memory.dmp
memory/4892-34-0x0000000075190000-0x0000000075940000-memory.dmp
memory/4892-35-0x0000000005330000-0x0000000005340000-memory.dmp
memory/4892-36-0x0000000005330000-0x0000000005340000-memory.dmp