nanocore | ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2

General

Target
ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe
Size 203KB
Sample200706-stcdjeq8sn
SHA256 ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2
MD5 9621a08a7acbe3009d79d21e5d4047ae
SHA1 bb8aa4a18fee63d2638ef706906b65928e49e933
SHA512 157d92e20ab12ccacc66e3f83de6e9c6050dd1bd23afe0518cab35d12d278a0369d5602499392205b8d510e0312fe20d233164639b5296c8019c274a9a03936e
MD5 SHA1 SHA512

Score

10^/10

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe
2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe
2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe

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
3876	schtasks.exe
3340	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.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	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe

Adds Run entry 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"	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 3876	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	67
PID 2460 wrote to memory of 3876	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	67
PID 2460 wrote to memory of 3876	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	67
PID 2460 wrote to memory of 3340	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	69
PID 2460 wrote to memory of 3340	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	69
PID 2460 wrote to memory of 3340	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe	69

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe

C:\Users\Admin\AppData\Local\Temp\ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe
"C:\Users\Admin\AppData\Local\Temp\ff8e7032093434b49d2b60c9e821c94a35f90fb81cc06e289ebf01ce52f5c6f2.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Checks whether UAC is enabled
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:2460
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF26E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3876
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF32B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3340