Analysis Overview
SHA256
adc307aba3a4eb1b0ddc7658189944de7a3072dd5375c2db9ef7ed89394df328
Threat Level: Known bad
The file 18d51054a11a6a436044fe91168fe600N.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-13 04:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-13 04:44
Reported
2024-08-13 04:46
Platform
win7-20240704-en
Max time kernel
118s
Max time network
27s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.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\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2816 set thread context of 2604 | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe
"C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sysupdate24.ddns.net | udp |
Files
memory/1448-0-0x00000000747D1000-0x00000000747D2000-memory.dmp
memory/1448-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1448-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1448-3-0x00000000747D0000-0x0000000074D7B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | e46e57b08c77dc52fc1b7053555bbbf1 |
| SHA1 | eb6fdc2723c106fb0e109ccb6ba44e379a7888c7 |
| SHA256 | e5d5001a484f5f18b4fe65bb3d80fd6cea18648a4f53266deaa5adf6e3f15de5 |
| SHA512 | fa4d6ec1b56b74d9306d4d41bfa8664091ee3cb03760f0e24e540f83ab52111fc05a8282846469d7b89918cc52cc420fa23945dbeaa8ca14e73883cd9885f7ac |
memory/2816-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/1448-12-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2816-14-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2816-15-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2604-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-35-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-33-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2604-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2604-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2816-37-0x00000000747D0000-0x0000000074D7B000-memory.dmp
memory/2816-38-0x00000000747D0000-0x0000000074D7B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-13 04:44
Reported
2024-08-13 04:46
Platform
win10v2004-20240802-en
Max time kernel
98s
Max time network
98s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe
"C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/2812-0-0x0000000075332000-0x0000000075333000-memory.dmp
memory/2812-1-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/2812-2-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/2812-3-0x0000000075330000-0x00000000758E1000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 379c5358547403b71a149391df0f050d |
| SHA1 | 923eed40910b82286e6cbd5ab4f9553b41d585ef |
| SHA256 | a976bdc54626a7d0af3c7429c4e2210326714ed12d5cc9fe259eb5dce88193bf |
| SHA512 | 06abd358bbf233aa008d4f67de4e1772257971dc45b04bc8aefd2fb259b24029737594c9c7dab428234acd70c816658bcb81c45a1408afb4dfa1c37c6194265c |
memory/2812-17-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/3100-18-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/3100-19-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/3100-20-0x0000000075330000-0x00000000758E1000-memory.dmp
memory/3100-22-0x0000000075330000-0x00000000758E1000-memory.dmp