Analysis Overview
SHA256
36bcbc6f042482039ffd4e6f5c4c83ce5b86394da2506670b86d3d7525f79549
Threat Level: Known bad
The file 8b5a798a5aefc7817f4ad1412e69a6ce was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-03 04:06
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-03 04:06
Reported
2024-02-03 04:09
Platform
win7-20231215-en
Max time kernel
149s
Max time network
152s
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\8b5a798a5aefc7817f4ad1412e69a6ce.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\8b5a798a5aefc7817f4ad1412e69a6ce.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\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 |
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\8b5a798a5aefc7817f4ad1412e69a6ce.exe
"C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.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 | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp |
Files
memory/2280-0-0x0000000074360000-0x000000007490B000-memory.dmp
memory/2280-1-0x0000000074360000-0x000000007490B000-memory.dmp
memory/2280-2-0x0000000002010000-0x0000000002050000-memory.dmp
\Users\Admin\AppData\Local\Temp\Payload.exe
| MD5 | 8b5a798a5aefc7817f4ad1412e69a6ce |
| SHA1 | cef0d699332025e8da7fe747eb69346be932cb9d |
| SHA256 | 36bcbc6f042482039ffd4e6f5c4c83ce5b86394da2506670b86d3d7525f79549 |
| SHA512 | 0af6f31e22c82890d5e81424fa2ff7a47d2c98e43d5d3ba4541c045920a536158cdc080f32194ccfb84d1e802be3e5192e5d0bdeb89740fcadca33bf08fefafd |
memory/2280-12-0x0000000074360000-0x000000007490B000-memory.dmp
memory/2776-13-0x0000000000340000-0x0000000000380000-memory.dmp
memory/2776-14-0x0000000074360000-0x000000007490B000-memory.dmp
memory/2776-19-0x0000000074360000-0x000000007490B000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | 92f19613c496364ce789460ab170df13 |
| SHA1 | 928eee23d3385c60f6b767b6e489f591c0231599 |
| SHA256 | dc6f5e77fdab54bbc9ecf447282977fa0ac7bfc9c49aeb8f1125b3ce94353515 |
| SHA512 | d3089580132c248f2ebcb1474da5a9777fb1919f63c0f1d59d502ff1287fb3f8430abf831bb0074c6a05a6ff3b918c9c75ab6a93b3ef9e8c440c84ac413c0ebf |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | 2a5cb068b79e07db9f89c97868325267 |
| SHA1 | a19e71347f4763e408cad2bb15430956045cf002 |
| SHA256 | 7c17c22002894349eb618786aae5f72b3bc168d5e9e48b4de6efe98ab05bc6db |
| SHA512 | 8a235c4c397f4d4864834392a808260ad643d213b0cced98675ef56e3ed169bcb7cefc2a46ff743fa5443ddf006f2864627baf273dfbe0b5abf996352e7d4961 |
memory/2776-21-0x0000000000340000-0x0000000000380000-memory.dmp
memory/2776-22-0x0000000074360000-0x000000007490B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-03 04:06
Reported
2024-02-03 04:09
Platform
win10v2004-20231215-en
Max time kernel
152s
Max time network
158s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| 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 |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.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 |
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\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\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 |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 740 wrote to memory of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe |
| PID 740 wrote to memory of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe |
| PID 740 wrote to memory of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Users\Admin\AppData\Local\Temp\Payload.exe |
| PID 740 wrote to memory of 4072 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Windows\SysWOW64\attrib.exe |
| PID 740 wrote to memory of 4072 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Windows\SysWOW64\attrib.exe |
| PID 740 wrote to memory of 4072 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.exe | C:\Windows\SysWOW64\attrib.exe |
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\8b5a798a5aefc7817f4ad1412e69a6ce.exe
"C:\Users\Admin\AppData\Local\Temp\8b5a798a5aefc7817f4ad1412e69a6ce.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.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 |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp | |
| US | 174.67.28.4:6786 | tcp |
Files
memory/740-0-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/740-2-0x00000000018D0000-0x00000000018E0000-memory.dmp
memory/740-1-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/740-5-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/740-7-0x00000000018D0000-0x00000000018E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Payload.exe
| MD5 | 8b5a798a5aefc7817f4ad1412e69a6ce |
| SHA1 | cef0d699332025e8da7fe747eb69346be932cb9d |
| SHA256 | 36bcbc6f042482039ffd4e6f5c4c83ce5b86394da2506670b86d3d7525f79549 |
| SHA512 | 0af6f31e22c82890d5e81424fa2ff7a47d2c98e43d5d3ba4541c045920a536158cdc080f32194ccfb84d1e802be3e5192e5d0bdeb89740fcadca33bf08fefafd |
memory/3252-15-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/3252-16-0x0000000000C70000-0x0000000000C80000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | 371e9f5c5222743275e228f1b3d27fb1 |
| SHA1 | 31b0a7ada0ee8c593d1f7d4b8fa3f830566a5fd6 |
| SHA256 | 5684b6a81a92bef5cd5eb049a0e905dc99e7db95d907443f182614b9b48602f1 |
| SHA512 | 14f203f243e9c69a3b3e1beaf8599d5cd0f18627e446a3beac78cb611bb4259ffb4c47ece4da3d3ff4ee1dd01aa379b081a3548844070d3b7312f56d22ffc78f |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | a0e21c3cda955b529c05da3ebc737559 |
| SHA1 | 7cede9bd6a34b2ddb326c3733057cf76b11e3d45 |
| SHA256 | b34c6f792079e84046ce8c2049f6f233e6c235f025770a028dfc8d57bc54af8c |
| SHA512 | e37365ed423d523ca996460ab7adab0a19923906413d22cccde2f1ce144ea25deef5e1a2a6d3cc8580952ebd58438f36f5eb2cb82348e1e3d126fa248d5fc18a |
memory/740-22-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/3252-24-0x0000000074C80000-0x0000000075231000-memory.dmp
memory/3252-25-0x0000000000C70000-0x0000000000C80000-memory.dmp