nanocore | 9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a

General

Target
Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
Size 210KB
Sample200802-r2na7jl3cj
SHA256 9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
MD5 2736a76bf7ee1d180b5baf50e28200a0
SHA1 b213f983f010119adfcf11f205d022c7b288b72c
SHA512 4eefccef74c9b48818429faee0f0eafd1ea71dedc1faaed1956dee03d50e4f582ec18715f9f44c17a3ab50d93b7fb7e23d6830f2de0efd462682316508532cbb
MD5 SHA1 SHA512

Score

10^/10

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
2296	schtasks.exe
3012	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 2296	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	66
PID 792 wrote to memory of 2296	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	66
PID 792 wrote to memory of 2296	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	66
PID 792 wrote to memory of 3012	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	68
PID 792 wrote to memory of 3012	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	68
PID 792 wrote to memory of 3012	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe	68

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
Token: SeDebugPrivilege	792	Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe

C:\Users\Admin\AppData\Local\Temp\Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
"C:\Users\Admin\AppData\Local\Temp\Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:792
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEE38.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2296
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEF04.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3012