Analysis Overview
SHA256
5aad4e2ad582c6fe27f4f7d2a9c526115cf40f9227385cb9e2c5d160c85bf11b
Threat Level: Known bad
The file 051ce434ea8ea139cb3fc0cd61b21a99.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Loads dropped DLL
Executes dropped EXE
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-07 01:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-07 01:11
Reported
2024-01-07 01:13
Platform
win7-20231215-en
Max time kernel
120s
Max time network
145s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\Acrobat = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Acrobat!.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ufyabb.exe\" " | C:\Users\Admin\AppData\Local\Temp\ufyabb.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\ufyabb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2424 set thread context of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe
"C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe"
C:\Users\Admin\AppData\Local\Temp\ufyabb.exe
"C:\Users\Admin\AppData\Local\Temp\ufyabb.exe"
C:\Users\Admin\AppData\Local\Temp\ufyabb.exe
"C:\Users\Admin\AppData\Local\Temp\ufyabb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | kennynanobelintourismedleonline.dumb1.com | udp |
| DE | 85.195.105.85:7072 | kennynanobelintourismedleonline.dumb1.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\ufyabb.exe
| MD5 | 101a2de82607b0f99ef5d4a810896c9b |
| SHA1 | 34c52d9c349da842c27e76afb716227857a57cdb |
| SHA256 | d3aa0b25ae8642adba83223811333cada5ffeaad584b7391b03e0f7fb28d864f |
| SHA512 | 2a62c1c7a319437f94f5f913f27a55a1274284eccdec5effa4689f9630ab64359c751375c8bac3d1af952bf2232a7230fa7044c6d1d588cc4f37c474117ee278 |
memory/2424-9-0x00000000000E0000-0x00000000000E2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rdnhexth.c
| MD5 | 5422b38bbfba1196cf692a1d6cbabd28 |
| SHA1 | 6b6c03f98471ff2d01c047c4d167aa296050f405 |
| SHA256 | 5247cc6c9ca9dbab728327d290a76cd05be6cd74682dbec5f19e5a4934a58e03 |
| SHA512 | 08c874a7d0e46c1e4afc445d8335169b5836ebfec7bb2be9e7713868144c221feae2d1f6ea4cb32f1dfd27b2fde650d5d0569c47dafbc58de7fcd3eaada0f909 |
memory/2752-14-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2752-19-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2752-18-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2752-22-0x0000000000CE0000-0x0000000000D20000-memory.dmp
memory/2752-21-0x00000000748A0000-0x0000000074E4B000-memory.dmp
memory/2752-20-0x00000000748A0000-0x0000000074E4B000-memory.dmp
memory/2752-27-0x00000000748A0000-0x0000000074E4B000-memory.dmp
memory/2752-28-0x00000000748A0000-0x0000000074E4B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-07 01:11
Reported
2024-01-07 01:14
Platform
win10v2004-20231215-en
Max time kernel
137s
Max time network
171s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Acrobat = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Acrobat!.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ufyabb.exe\" " | C:\Users\Admin\AppData\Local\Temp\ufyabb.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\ufyabb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2424 set thread context of 4080 | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ufyabb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe
"C:\Users\Admin\AppData\Local\Temp\051ce434ea8ea139cb3fc0cd61b21a99.exe"
C:\Users\Admin\AppData\Local\Temp\ufyabb.exe
"C:\Users\Admin\AppData\Local\Temp\ufyabb.exe"
C:\Users\Admin\AppData\Local\Temp\ufyabb.exe
"C:\Users\Admin\AppData\Local\Temp\ufyabb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | kennynanobelintourismedleonline.dumb1.com | udp |
| DE | 85.195.105.85:7072 | kennynanobelintourismedleonline.dumb1.com | tcp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.105.195.85.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 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 |
| US | 8.8.8.8:53 | 16.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\ufyabb.exe
| MD5 | 101a2de82607b0f99ef5d4a810896c9b |
| SHA1 | 34c52d9c349da842c27e76afb716227857a57cdb |
| SHA256 | d3aa0b25ae8642adba83223811333cada5ffeaad584b7391b03e0f7fb28d864f |
| SHA512 | 2a62c1c7a319437f94f5f913f27a55a1274284eccdec5effa4689f9630ab64359c751375c8bac3d1af952bf2232a7230fa7044c6d1d588cc4f37c474117ee278 |
memory/2424-5-0x0000000001080000-0x0000000001082000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rdnhexth.c
| MD5 | 5422b38bbfba1196cf692a1d6cbabd28 |
| SHA1 | 6b6c03f98471ff2d01c047c4d167aa296050f405 |
| SHA256 | 5247cc6c9ca9dbab728327d290a76cd05be6cd74682dbec5f19e5a4934a58e03 |
| SHA512 | 08c874a7d0e46c1e4afc445d8335169b5836ebfec7bb2be9e7713868144c221feae2d1f6ea4cb32f1dfd27b2fde650d5d0569c47dafbc58de7fcd3eaada0f909 |
memory/4080-8-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4080-10-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4080-11-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4080-13-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4080-14-0x0000000075390000-0x0000000075941000-memory.dmp
memory/4080-15-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-16-0x0000000075390000-0x0000000075941000-memory.dmp
memory/4080-17-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-18-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-19-0x0000000075390000-0x0000000075941000-memory.dmp
memory/4080-20-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-21-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-22-0x0000000075390000-0x0000000075941000-memory.dmp
memory/4080-24-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/4080-27-0x0000000002A70000-0x0000000002A80000-memory.dmp