Analysis Overview
SHA256
dbb838e53fb35c86e03a4d1e8fdf200ec6b4d102c7654f1c7dc9514ae61eacbe
Threat Level: Known bad
The file 5cfa4b705d88c768400fa4c88396f120_NEAS was found to be: Known bad.
Malicious Activity Summary
Trickbot x86 loader
Kpot family
KPOT Core Executable
KPOT
Trickbot
Stops running service(s)
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
Launches sc.exe
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 03:36
Signatures
KPOT Core Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kpot family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 03:36
Reported
2024-05-07 03:39
Platform
win7-20240221-en
Max time kernel
135s
Max time network
117s
Command Line
Signatures
KPOT
KPOT Core Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Trickbot
Trickbot x86 loader
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stops running service(s)
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
/c sc stop WinDefend
C:\Windows\SysWOW64\cmd.exe
/c sc delete WinDefend
C:\Windows\SysWOW64\cmd.exe
/c powershell Set-MpPreference -DisableRealtimeMonitoring $true
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\SysWOW64\sc.exe
sc delete WinDefend
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Set-MpPreference -DisableRealtimeMonitoring $true
C:\Windows\SysWOW64\sc.exe
sc stop WinDefend
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {F08C5FF3-25E3-4AB0-AC32-0BE811FBF038} S-1-5-18:NT AUTHORITY\System:Service:
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
Network
Files
memory/2512-15-0x0000000000700000-0x0000000000729000-memory.dmp
memory/2512-14-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-13-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-12-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-18-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2512-17-0x0000000000421000-0x0000000000422000-memory.dmp
memory/2512-11-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-10-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-9-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-8-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-7-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-6-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-5-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-4-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-3-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2512-2-0x0000000000660000-0x0000000000661000-memory.dmp
\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
| MD5 | 5cfa4b705d88c768400fa4c88396f120 |
| SHA1 | deff2c89ada55dd327743b92f3e764098f8d9dcb |
| SHA256 | dbb838e53fb35c86e03a4d1e8fdf200ec6b4d102c7654f1c7dc9514ae61eacbe |
| SHA512 | 421b54eae382e5b9bff9e4bf32080ce1c8b006d09d5d9bea2842dea8f7bb99b13107a682c0cc38128c383e9cf5f4e36a3888f2a52dea89b6e50abb0e1796ae40 |
memory/2748-41-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-40-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-39-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-38-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-37-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-36-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-35-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-34-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-33-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-32-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-31-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2748-30-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2736-49-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2736-48-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2748-44-0x0000000010000000-0x0000000010007000-memory.dmp
memory/3000-71-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-70-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-69-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-68-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-67-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-66-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-65-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-64-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-63-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-62-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-61-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3000-60-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/412-88-0x0000000000320000-0x0000000000321000-memory.dmp
memory/412-87-0x0000000000320000-0x0000000000321000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 03:36
Reported
2024-05-07 03:39
Platform
win10v2004-20240419-en
Max time kernel
137s
Max time network
128s
Command Line
Signatures
KPOT
KPOT Core Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Trickbot
Trickbot x86 loader
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\5cfa4b705d88c768400fa4c88396f120_NEAS.exe"
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| AR | 201.251.18.28:449 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| AR | 201.251.18.28:449 | tcp |
Files
memory/1680-2-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-14-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-13-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-12-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-11-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-10-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-9-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-5-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-8-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-7-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-6-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-3-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-4-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/1680-15-0x00000000029C0000-0x00000000029E9000-memory.dmp
memory/1680-18-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1680-17-0x0000000000421000-0x0000000000422000-memory.dmp
C:\Users\Admin\AppData\Roaming\WinSocket\6cfa4b806d99c879400fa4c99397f120_NFAS.exe
| MD5 | 5cfa4b705d88c768400fa4c88396f120 |
| SHA1 | deff2c89ada55dd327743b92f3e764098f8d9dcb |
| SHA256 | dbb838e53fb35c86e03a4d1e8fdf200ec6b4d102c7654f1c7dc9514ae61eacbe |
| SHA512 | 421b54eae382e5b9bff9e4bf32080ce1c8b006d09d5d9bea2842dea8f7bb99b13107a682c0cc38128c383e9cf5f4e36a3888f2a52dea89b6e50abb0e1796ae40 |
memory/2532-37-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-36-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-35-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-34-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-33-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-32-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-31-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-30-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-29-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-28-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-27-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-26-0x00000000020D0000-0x00000000020D1000-memory.dmp
memory/2532-40-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2532-42-0x0000000010000000-0x0000000010007000-memory.dmp
memory/2532-41-0x0000000010000000-0x0000000010007000-memory.dmp
memory/2376-46-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2376-51-0x0000020B8CCD0000-0x0000020B8CCD1000-memory.dmp
memory/2532-52-0x0000000003060000-0x000000000311E000-memory.dmp
memory/2532-53-0x0000000003160000-0x0000000003429000-memory.dmp
memory/1700-58-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-59-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-60-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-61-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-62-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-69-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-68-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-67-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-66-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-65-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-64-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-63-0x0000000000590000-0x0000000000591000-memory.dmp
memory/1700-72-0x0000000000421000-0x0000000000422000-memory.dmp
memory/1700-73-0x0000000000400000-0x0000000000472000-memory.dmp
C:\Users\Admin\AppData\Roaming\WinSocket\settings.ini
| MD5 | 6a1aec4023141139df0d95e3312527d1 |
| SHA1 | 5939fdde85a98fe439b5727e00be7cb8cd4433c8 |
| SHA256 | f456ae3983b6495896025e897c52685b1f225bdf48444d48831cdda01e7ec836 |
| SHA512 | 1c4300de673857f5fd8eafa38c97858fb6cc722312ef1c4c0067754262c37de51bf9057f8a009d6b29cdbc80799c2b0af58d1ccf0edc8dd40915241fd3a78211 |