Analysis Overview
SHA256
88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088
Threat Level: Known bad
The file MB263350411AE.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: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-21 01:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-21 01:43
Reported
2024-05-21 01:45
Platform
win7-20240221-en
Max time kernel
118s
Max time network
154s
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\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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\MB263350411AE.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 848 set thread context of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DDP Service\ddpsv.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCB6A.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCD5E.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
Files
memory/848-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp
memory/848-1-0x00000000000F0000-0x0000000000192000-memory.dmp
memory/848-2-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/848-3-0x0000000000490000-0x00000000004AA000-memory.dmp
memory/848-4-0x0000000000400000-0x0000000000410000-memory.dmp
memory/848-5-0x0000000005320000-0x000000000539A000-memory.dmp
memory/2856-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2856-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2856-19-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2856-20-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/848-21-0x0000000074A00000-0x00000000750EE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCB6A.tmp
| MD5 | 7c43147ac70e592d3acc3e6a27111053 |
| SHA1 | 53748eb6ebe48adbd036a6ba50bbcaaec652679e |
| SHA256 | 23cab1d670839621ad7bf4d674ec424692d8c35f5a377ee8ff8860f64a920f7f |
| SHA512 | e3c480ef85d8cf7f1f5239b93f69202fd95efc3852cf9e1d69555abb17f7fab2f213626af564507cc55c0f573587ebd1137e099b859df7cfee7a37b9326bcf63 |
C:\Users\Admin\AppData\Local\Temp\tmpCD5E.tmp
| MD5 | 93d357e6194c8eb8d0616a9f592cc4bf |
| SHA1 | 5cc3a3d95d82cb88f65cb6dc6c188595fa272808 |
| SHA256 | a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713 |
| SHA512 | 4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f |
memory/2856-29-0x00000000003F0000-0x00000000003FA000-memory.dmp
memory/2856-30-0x00000000004D0000-0x00000000004EE000-memory.dmp
memory/2856-31-0x0000000000440000-0x000000000044A000-memory.dmp
memory/2856-34-0x0000000000730000-0x0000000000742000-memory.dmp
memory/2856-35-0x0000000000740000-0x000000000075A000-memory.dmp
memory/2856-36-0x0000000000770000-0x000000000077E000-memory.dmp
memory/2856-37-0x0000000000890000-0x00000000008A2000-memory.dmp
memory/2856-38-0x00000000008A0000-0x00000000008AE000-memory.dmp
memory/2856-39-0x00000000009B0000-0x00000000009BC000-memory.dmp
memory/2856-40-0x0000000002280000-0x0000000002294000-memory.dmp
memory/2856-41-0x00000000022D0000-0x00000000022E0000-memory.dmp
memory/2856-42-0x00000000022E0000-0x00000000022F4000-memory.dmp
memory/2856-43-0x00000000022F0000-0x00000000022FE000-memory.dmp
memory/2856-44-0x00000000043E0000-0x000000000440E000-memory.dmp
memory/2856-45-0x0000000004390000-0x00000000043A4000-memory.dmp
memory/2856-47-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2856-48-0x0000000074A00000-0x00000000750EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-21 01:43
Reported
2024-05-21 01:45
Platform
win10v2004-20240508-en
Max time kernel
136s
Max time network
150s
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 Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe" | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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\MB263350411AE.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1124 set thread context of 4212 | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\DHCP Service\dhcpsv.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| File created | C:\Program Files (x86)\DHCP Service\dhcpsv.exe | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7754.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.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 | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.151.248.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 |
Files
memory/1124-0-0x000000007486E000-0x000000007486F000-memory.dmp
memory/1124-1-0x0000000000400000-0x00000000004A2000-memory.dmp
memory/1124-2-0x0000000005350000-0x00000000058F4000-memory.dmp
memory/1124-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp
memory/1124-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp
memory/1124-4-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1124-6-0x0000000005000000-0x000000000509C000-memory.dmp
memory/1124-7-0x0000000006470000-0x000000000648A000-memory.dmp
memory/1124-8-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
memory/1124-9-0x00000000062D0000-0x000000000634A000-memory.dmp
memory/4212-10-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MB263350411AE.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/4212-13-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1124-14-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4212-15-0x0000000074860000-0x0000000075010000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp
| MD5 | 7c43147ac70e592d3acc3e6a27111053 |
| SHA1 | 53748eb6ebe48adbd036a6ba50bbcaaec652679e |
| SHA256 | 23cab1d670839621ad7bf4d674ec424692d8c35f5a377ee8ff8860f64a920f7f |
| SHA512 | e3c480ef85d8cf7f1f5239b93f69202fd95efc3852cf9e1d69555abb17f7fab2f213626af564507cc55c0f573587ebd1137e099b859df7cfee7a37b9326bcf63 |
C:\Users\Admin\AppData\Local\Temp\tmp7754.tmp
| MD5 | a77c223a0fc492dccd6fb9975f7a8766 |
| SHA1 | 5e813636ae9b8138d78919348a5da3a6e8bd74b5 |
| SHA256 | 589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e |
| SHA512 | 315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0 |
memory/4212-23-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/4212-24-0x00000000062A0000-0x00000000062BE000-memory.dmp
memory/4212-25-0x00000000063D0000-0x00000000063DA000-memory.dmp
memory/4212-28-0x0000000006B30000-0x0000000006B42000-memory.dmp
memory/4212-29-0x0000000006B40000-0x0000000006B5A000-memory.dmp
memory/4212-30-0x0000000006B70000-0x0000000006B7E000-memory.dmp
memory/4212-33-0x0000000006BA0000-0x0000000006BAC000-memory.dmp
memory/4212-32-0x0000000006B90000-0x0000000006B9E000-memory.dmp
memory/4212-34-0x0000000006BB0000-0x0000000006BC4000-memory.dmp
memory/4212-31-0x0000000006B80000-0x0000000006B92000-memory.dmp
memory/4212-35-0x0000000006BC0000-0x0000000006BD0000-memory.dmp
memory/4212-36-0x0000000006BE0000-0x0000000006BF4000-memory.dmp
memory/4212-37-0x0000000006C00000-0x0000000006C0E000-memory.dmp
memory/4212-38-0x0000000006C10000-0x0000000006C3E000-memory.dmp
memory/4212-39-0x0000000006C50000-0x0000000006C64000-memory.dmp
memory/4212-40-0x0000000006E20000-0x0000000006E86000-memory.dmp
memory/4212-42-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4212-43-0x0000000074860000-0x0000000075010000-memory.dmp