Analysis Overview
SHA256
d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9
Threat Level: Known bad
The file d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Drops startup file
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 05:46
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 05:46
Reported
2024-01-25 05:49
Platform
win7-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe
"C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe"
C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp |
Files
memory/1968-0-0x0000000074B30000-0x00000000750DB000-memory.dmp
memory/1968-1-0x0000000074B30000-0x00000000750DB000-memory.dmp
memory/1968-2-0x0000000002140000-0x0000000002180000-memory.dmp
\Users\Admin\AppData\Local\Temp\Payload.exe
| MD5 | a5ad2d1796744144d739569bb466b307 |
| SHA1 | 42de0164c8cbd9b6c64100de720d2e0c49ebcb77 |
| SHA256 | d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9 |
| SHA512 | 45fa09478a871a75f4650a56529632bfddf93990819c6d5212753325305a7946c631076897b13e62297136ae26db064fef701dea23453ea504b4c2517d5e74b9 |
memory/2276-14-0x0000000074B30000-0x00000000750DB000-memory.dmp
memory/2276-15-0x00000000004D0000-0x0000000000510000-memory.dmp
memory/1968-13-0x0000000074B30000-0x00000000750DB000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | 2a4e9e0e52541d425798af53019d03e0 |
| SHA1 | d5f28c22ae555fbc97af5ff3e648ee2ec64d301a |
| SHA256 | 904d51282ad5d2f50fe41dbc53b3b7b94501c206672e8ba8175fd94898a4a09c |
| SHA512 | 05926ad66c4e50e192463b50a57f6083497d5d6ac074801519462bacbf849f95949490011f5e1bf6893527df908289558dcab10413712c81577a2881f20b5dc7 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | d429d323b2fafae82f71476016805397 |
| SHA1 | ca6f7255f556133240a25e4396d963f1fb5c850c |
| SHA256 | 959a0425c41475be4a80bceba271389c2d5b90dd0011c981fed77014de284e6d |
| SHA512 | 0c558f4961e84d443bc23ee85e895b283cab4d89879291b440c2b831839cb6159902c00ea3e9ec0e931a3c1865108fb4e3412c6dfc836acb1481e76e2ab942ea |
memory/2276-20-0x0000000074B30000-0x00000000750DB000-memory.dmp
memory/2276-22-0x0000000074B30000-0x00000000750DB000-memory.dmp
memory/2276-23-0x00000000004D0000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 05:46
Reported
2024-01-25 05:49
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\Users\Admin\AppData\Local\Temp\Payload.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe
"C:\Users\Admin\AppData\Local\Temp\d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9.exe"
C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| N/A | 172.20.6.206:1992 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp | |
| N/A | 172.20.6.206:1992 | tcp |
Files
memory/1828-0-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/1828-1-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/1828-2-0x00000000008A0000-0x00000000008B0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Payload.exe
| MD5 | a5ad2d1796744144d739569bb466b307 |
| SHA1 | 42de0164c8cbd9b6c64100de720d2e0c49ebcb77 |
| SHA256 | d5c62e521f44e5fc7bc80dd61a163e86405eae49dbbc9101aad6b6261b79abf9 |
| SHA512 | 45fa09478a871a75f4650a56529632bfddf93990819c6d5212753325305a7946c631076897b13e62297136ae26db064fef701dea23453ea504b4c2517d5e74b9 |
memory/1828-14-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/3212-15-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/3212-16-0x0000000001210000-0x0000000001220000-memory.dmp
memory/3212-17-0x0000000074F50000-0x0000000075501000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | a494f70527b15499c4b74551eeacfd84 |
| SHA1 | 406ce4f0ada56eb44dd6163d6325704b71eb842b |
| SHA256 | c24a6e237aecee6fd1d2a5966d29cd010af38551e4688e55e3d6e0afc3bdec7e |
| SHA512 | 2375a7d75df3b8ed815d13c747e14917fadbb4e5e6785edac3ccb4ecfc7d5c524dd59102e7463f3a2be63d4d2d3f5f8be4c97a2e3e313c46c91c6296590eec79 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | b07ac570a72fdb99e86ff788b7215a88 |
| SHA1 | 619c28f29f5a978a434417b84056a63b6ae74c83 |
| SHA256 | da85dee9086e4aa5419e20b3504efc21b37b8b722fca02c6c012b201433a46bf |
| SHA512 | b13c2be2d3301b94f9f01dec189b241d572c5bd6c959871558619f0e7c98f2ec8324bd46da3604fc933f7cfa44dab0b4613f6ac2b448c934cb621f308909a6f5 |
memory/3212-23-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/3212-24-0x0000000001210000-0x0000000001220000-memory.dmp