Analysis Overview
SHA256
e3e9173202c735aec275bb41a1511c5ea586ec1e60a2d55f49fa6c2b9663d061
Threat Level: Known bad
The file 83a46305d94b60075488f3137e7a0d2c_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Drops startup file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 08:55
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 08:55
Reported
2024-05-30 08:58
Platform
win7-20240221-en
Max time kernel
149s
Max time network
120s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\System.exe
"C:\Users\Admin\AppData\Local\Temp\System.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp |
Files
memory/2964-0-0x0000000074D51000-0x0000000074D52000-memory.dmp
memory/2964-1-0x0000000074D50000-0x00000000752FB000-memory.dmp
memory/2964-2-0x0000000074D50000-0x00000000752FB000-memory.dmp
\Users\Admin\AppData\Local\Temp\System.exe
| MD5 | 83a46305d94b60075488f3137e7a0d2c |
| SHA1 | 213199727785440d87e4d22f344f4114ea739a26 |
| SHA256 | e3e9173202c735aec275bb41a1511c5ea586ec1e60a2d55f49fa6c2b9663d061 |
| SHA512 | d6905881278283850308e2cb81f1e798f7cbb33bdb2c3b2315505be64c89239d232a1f23c0c84b707ceb2fc92082ef711ce5c6eb105706324b274217671f6cdd |
memory/2964-11-0x0000000074D50000-0x00000000752FB000-memory.dmp
memory/3016-10-0x0000000074D50000-0x00000000752FB000-memory.dmp
memory/3016-13-0x0000000074D50000-0x00000000752FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 08:55
Reported
2024-05-30 08:58
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
96s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5acedeb8e640188ce371b7e8d44896b3.exe | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5acedeb8e640188ce371b7e8d44896b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 400 wrote to memory of 4552 | N/A | C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\System.exe |
| PID 400 wrote to memory of 4552 | N/A | C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\System.exe |
| PID 400 wrote to memory of 4552 | N/A | C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\System.exe |
| PID 4552 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\System.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4552 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\System.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4552 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\System.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83a46305d94b60075488f3137e7a0d2c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\System.exe
"C:\Users\Admin\AppData\Local\Temp\System.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| N/A | 127.0.0.1:1177 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:1177 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp | |
| N/A | 127.0.0.1:1177 | tcp |
Files
memory/400-0-0x00000000751F2000-0x00000000751F3000-memory.dmp
memory/400-1-0x00000000751F0000-0x00000000757A1000-memory.dmp
memory/400-2-0x00000000751F0000-0x00000000757A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\System.exe
| MD5 | 83a46305d94b60075488f3137e7a0d2c |
| SHA1 | 213199727785440d87e4d22f344f4114ea739a26 |
| SHA256 | e3e9173202c735aec275bb41a1511c5ea586ec1e60a2d55f49fa6c2b9663d061 |
| SHA512 | d6905881278283850308e2cb81f1e798f7cbb33bdb2c3b2315505be64c89239d232a1f23c0c84b707ceb2fc92082ef711ce5c6eb105706324b274217671f6cdd |
memory/400-12-0x00000000751F0000-0x00000000757A1000-memory.dmp
memory/4552-13-0x00000000751F0000-0x00000000757A1000-memory.dmp
memory/4552-15-0x00000000751F0000-0x00000000757A1000-memory.dmp