Analysis Overview
SHA256
3c876e9284562cf9374ba6384a2073aa1043c6dd2be0b0fb9d1075ebb9a84e6c
Threat Level: Known bad
The file 8c875d52a2ae6452ffe4d3437c916346 was found to be: Known bad.
Malicious Activity Summary
Njrat family
Adds Run key to start application
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-03 14:11
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-03 14:11
Reported
2024-02-03 14:14
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8c875d52a2ae6452ffe4d3437c916346.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\audiodg.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8c875d52a2ae6452ffe4d3437c916346.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
"C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
Files
memory/3232-0-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/3232-1-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/3232-2-0x0000000001020000-0x0000000001030000-memory.dmp
memory/3232-3-0x0000000001020000-0x0000000001030000-memory.dmp
memory/3232-4-0x0000000001020000-0x0000000001030000-memory.dmp
memory/3232-5-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/3232-6-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/3232-7-0x0000000001020000-0x0000000001030000-memory.dmp
memory/3232-8-0x0000000001020000-0x0000000001030000-memory.dmp
memory/3232-9-0x0000000001020000-0x0000000001030000-memory.dmp
memory/2300-10-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/2300-11-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/2300-12-0x0000000001030000-0x0000000001040000-memory.dmp
memory/2300-14-0x0000000074FE0000-0x0000000075591000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\8c875d52a2ae6452ffe4d3437c916346.exe.log
| MD5 | 40b0c3caa1b14a4c83e8475c46bf2016 |
| SHA1 | af9575cda4d842f028d18b17063796a894ecd9d0 |
| SHA256 | 70e88a428d92b6ab5905dac9f324824c4c6f120bc3f385c82b2d12f707a4a867 |
| SHA512 | 916437df737de4b6063b7116b4d148229d4a975eb4046122d47434b81fba06e88e09e5f273ec496c81ef3feecb843ccad20a7a04074224416c1fa9951acbdac7 |
memory/1336-16-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/1336-17-0x00000000010A0000-0x00000000010B0000-memory.dmp
memory/1336-18-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/1336-19-0x00000000010A0000-0x00000000010B0000-memory.dmp
memory/1336-20-0x00000000010A0000-0x00000000010B0000-memory.dmp
memory/1336-21-0x0000000074FE0000-0x0000000075591000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-03 14:11
Reported
2024-02-03 14:13
Platform
win7-20231215-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\audiodg.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8c875d52a2ae6452ffe4d3437c916346.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8c875d52a2ae6452ffe4d3437c916346.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
"C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
C:\Windows\system32\taskeng.exe
taskeng.exe {424C449D-76CC-4F68-868F-5B212D51EAA0} S-1-5-21-1603059206-2004189698-4139800220-1000:AILVMYUM\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYANP /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 5
C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\8c875d52a2ae6452ffe4d3437c916346.exe" /sc minute /mo 1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| US | 8.8.8.8:53 | testandoo.hopto.org | udp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
| BR | 186.225.144.196:5552 | testandoo.hopto.org | tcp |
Files
memory/1732-0-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/1732-1-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/1732-2-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/1732-3-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/1732-4-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/1732-5-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/1732-6-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/1732-7-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/1732-8-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/1732-9-0x00000000002F0000-0x0000000000330000-memory.dmp
memory/2704-10-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/2704-11-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/2704-12-0x00000000005E0000-0x0000000000620000-memory.dmp
memory/2704-13-0x00000000005E0000-0x0000000000620000-memory.dmp
memory/2704-15-0x00000000005E0000-0x0000000000620000-memory.dmp
memory/2704-14-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/796-16-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/796-17-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/796-18-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/796-19-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/796-20-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/796-21-0x00000000747E0000-0x0000000074D8B000-memory.dmp
memory/796-22-0x0000000000BE0000-0x0000000000C20000-memory.dmp