Analysis Overview
SHA256
ceac954cc8a5912ee568c933fdf0c862abfa80a0638a6f1541ac3c4b691f8e92
Threat Level: Known bad
The file 5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-07 04:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-07 04:03
Reported
2024-08-07 04:05
Platform
win7-20240704-en
Max time kernel
38s
Max time network
16s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.exe
"C:\Users\Admin\AppData\Local\Temp\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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
Files
memory/2120-0-0x0000000074ED1000-0x0000000074ED2000-memory.dmp
memory/2120-1-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2120-2-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2120-3-0x0000000074ED0000-0x000000007547B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | c209ad5dad2822f3f41d367ffbab4e0d |
| SHA1 | 878d9d369573ee1138822c39fe506a74ea516bdc |
| SHA256 | 84637f5204cbce8453fe51488103858b29be31628658272f74c3e2b24955d3c2 |
| SHA512 | 6ed75185c32633333a198dcf61bd42bf1420e09c9af7f02f0651f0c448662845db6145cc0a2a7c1b5790518dcbdcbb5680a7b3e98f9ee16bb83729e7710dac68 |
memory/2120-12-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-13-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-14-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-15-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-16-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-18-0x0000000074ED0000-0x000000007547B000-memory.dmp
memory/2740-19-0x0000000074ED0000-0x000000007547B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-07 04:03
Reported
2024-08-07 04:05
Platform
win10v2004-20240802-en
Max time kernel
119s
Max time network
96s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.exe | N/A |
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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 716 set thread context of 3600 | 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\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.exe
"C:\Users\Admin\AppData\Local\Temp\5f3d5f8eae7c4bafe2f1e0ca83edf2e0N.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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sysupdate24.ddns.net | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/2952-0-0x00000000754E2000-0x00000000754E3000-memory.dmp
memory/2952-1-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/2952-2-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/2952-3-0x00000000754E0000-0x0000000075A91000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | 6aed1cd6a9b200867eb07e224370ca2b |
| SHA1 | d630b236e3ad79e3ba2824d2cec73a780bcb0e93 |
| SHA256 | 8bf34445c733c8dcfc65b38a13dc72daee33dd4675a5f2efe4dad78c5b0f48e2 |
| SHA512 | 3a9ece8549c52a013341d1cc61d21a0410cc2012abf88e72cf4991de8eef3a77bcaaa79cf59265b0edce86a8031d71ef290e56717e884364eb0f28ea9daa2625 |
memory/716-19-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/2952-18-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/716-17-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/716-20-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/716-21-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3600-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3600-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3600-27-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-29-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-28-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-31-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/716-32-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/716-34-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-35-0x00000000754E0000-0x0000000075A91000-memory.dmp
memory/3600-36-0x00000000754E0000-0x0000000075A91000-memory.dmp