Analysis Overview
SHA256
340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df
Threat Level: Known bad
The file 340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df 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
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-04 17:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-04 17:08
Reported
2023-12-04 17:11
Platform
win7-20231020-en
Max time kernel
122s
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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsvc.exe" | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1700 set thread context of 2100 | N/A | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe |
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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
| File opened for modification | C:\Program Files (x86)\UDP Service\udpsvc.exe | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe
"C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe"
C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe
"C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAD9D.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAEB7.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| BG | 91.92.251.203:4510 | btldinc7.sytes.net | tcp |
Files
memory/1700-0-0x0000000000A90000-0x0000000000B2A000-memory.dmp
memory/1700-1-0x0000000074500000-0x0000000074BEE000-memory.dmp
memory/1700-2-0x0000000004980000-0x00000000049C0000-memory.dmp
memory/1700-3-0x00000000003F0000-0x0000000000408000-memory.dmp
memory/1700-5-0x0000000000540000-0x000000000054A000-memory.dmp
memory/1700-6-0x0000000004980000-0x00000000049C0000-memory.dmp
memory/1700-4-0x00000000004B0000-0x00000000004B8000-memory.dmp
memory/1700-7-0x0000000004750000-0x00000000047C2000-memory.dmp
memory/2100-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1700-21-0x0000000074500000-0x0000000074BEE000-memory.dmp
memory/2100-22-0x0000000074500000-0x0000000074BEE000-memory.dmp
memory/2100-23-0x0000000000440000-0x0000000000480000-memory.dmp
memory/2100-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2100-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2100-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2100-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2100-12-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAD9D.tmp
| MD5 | 03f5b9ec9db6068a5562292b3012ed49 |
| SHA1 | 304033e8fde3f437b9a0a2c60671574f042e8799 |
| SHA256 | 8422cf40de0753ca59d6a62f065b5b53b48602577db47da313ae28f6c783f37d |
| SHA512 | c0fc6adfe0a354677d1e5d91b466b3a6dbd2d912deb49a0707bc9d41e3915953701877a20a8a9da3a0655eec57ee98a5430817ec51af706706232cda543b13f0 |
memory/2100-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2100-8-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAEB7.tmp
| MD5 | 1b87aeb30b82c980d66a27dcaf6b6b3c |
| SHA1 | ca5cc8e61a39be38ebe6b295b1b39b012808222e |
| SHA256 | bd1b0eab0a2e61816941ca6060e9c63a10184038c8e7b67ef1fbb4bd533481c6 |
| SHA512 | 7c0f8744fe569c358d1941acca93079f3d8fb5fa60b6499642659e83da5666200e13b2db728675d5b75c6cfb63f2c88eab7792036ae6ab0dca1913d25c6cfe7f |
memory/2100-31-0x00000000004A0000-0x00000000004AA000-memory.dmp
memory/2100-32-0x00000000004F0000-0x000000000050E000-memory.dmp
memory/2100-33-0x0000000000510000-0x000000000051A000-memory.dmp
memory/2100-37-0x00000000005D0000-0x00000000005EA000-memory.dmp
memory/2100-40-0x0000000000670000-0x000000000067E000-memory.dmp
memory/2100-46-0x0000000002150000-0x000000000217E000-memory.dmp
memory/2100-47-0x0000000002180000-0x0000000002194000-memory.dmp
memory/2100-45-0x0000000000A80000-0x0000000000A8E000-memory.dmp
memory/2100-44-0x0000000000A70000-0x0000000000A84000-memory.dmp
memory/2100-43-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/2100-42-0x0000000000A50000-0x0000000000A64000-memory.dmp
memory/2100-41-0x0000000000A40000-0x0000000000A4C000-memory.dmp
memory/2100-39-0x0000000000660000-0x0000000000672000-memory.dmp
memory/2100-38-0x0000000000640000-0x000000000064E000-memory.dmp
memory/2100-36-0x00000000005C0000-0x00000000005D2000-memory.dmp
memory/2100-49-0x0000000074500000-0x0000000074BEE000-memory.dmp
memory/2100-50-0x0000000000440000-0x0000000000480000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-04 17:08
Reported
2023-12-04 17:11
Platform
win10v2004-20231127-en
Max time kernel
91s
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\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe" | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1520 set thread context of 2168 | N/A | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.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\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe
"C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe"
C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe
"C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe"
C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe
"C:\Users\Admin\AppData\Local\Temp\340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC61A.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC7A1.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 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 | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| BG | 91.92.251.203:4510 | btldinc7.sytes.net | tcp |
| US | 8.8.8.8:53 | 203.251.92.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/1520-0-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/1520-1-0x00000000001C0000-0x000000000025A000-memory.dmp
memory/1520-2-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/1520-3-0x0000000005310000-0x00000000058B4000-memory.dmp
memory/1520-4-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/1520-6-0x0000000004F40000-0x0000000004F58000-memory.dmp
memory/1520-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp
memory/1520-7-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/1520-8-0x0000000004F70000-0x0000000004F78000-memory.dmp
memory/1520-9-0x0000000004F80000-0x0000000004F8A000-memory.dmp
memory/1520-10-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/1520-11-0x0000000006220000-0x0000000006292000-memory.dmp
memory/1520-12-0x0000000006060000-0x00000000060FC000-memory.dmp
memory/2168-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1520-14-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/2168-16-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/2168-17-0x0000000005C60000-0x0000000005C70000-memory.dmp
memory/1520-18-0x0000000074420000-0x0000000074BD0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpC61A.tmp
| MD5 | 03f5b9ec9db6068a5562292b3012ed49 |
| SHA1 | 304033e8fde3f437b9a0a2c60671574f042e8799 |
| SHA256 | 8422cf40de0753ca59d6a62f065b5b53b48602577db47da313ae28f6c783f37d |
| SHA512 | c0fc6adfe0a354677d1e5d91b466b3a6dbd2d912deb49a0707bc9d41e3915953701877a20a8a9da3a0655eec57ee98a5430817ec51af706706232cda543b13f0 |
C:\Users\Admin\AppData\Local\Temp\tmpC7A1.tmp
| MD5 | cdf5683344404764a0f3592e9db8a5a1 |
| SHA1 | 6705943b404de237cdd7080c05af25e2b1b6410c |
| SHA256 | 1ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff |
| SHA512 | 23c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b |
memory/2168-26-0x0000000005A80000-0x0000000005A8A000-memory.dmp
memory/2168-27-0x0000000006A80000-0x0000000006A9E000-memory.dmp
memory/2168-28-0x0000000006BA0000-0x0000000006BAA000-memory.dmp
memory/2168-31-0x0000000007300000-0x0000000007312000-memory.dmp
memory/2168-33-0x0000000007340000-0x000000000734E000-memory.dmp
memory/2168-39-0x00000000073B0000-0x00000000073C4000-memory.dmp
memory/2168-42-0x0000000007410000-0x0000000007424000-memory.dmp
memory/2168-41-0x00000000073E0000-0x000000000740E000-memory.dmp
memory/2168-40-0x00000000073D0000-0x00000000073DE000-memory.dmp
memory/2168-38-0x0000000007390000-0x00000000073A0000-memory.dmp
memory/2168-37-0x0000000007380000-0x0000000007394000-memory.dmp
memory/2168-36-0x0000000007370000-0x000000000737C000-memory.dmp
memory/2168-43-0x00000000075F0000-0x0000000007656000-memory.dmp
memory/2168-35-0x0000000007360000-0x000000000736E000-memory.dmp
memory/2168-34-0x0000000007350000-0x0000000007362000-memory.dmp
memory/2168-32-0x0000000007310000-0x000000000732A000-memory.dmp
memory/2168-45-0x0000000074420000-0x0000000074BD0000-memory.dmp
memory/2168-46-0x0000000005C60000-0x0000000005C70000-memory.dmp