nanocore | 5b27db23756f4ddbd30a3875e30cdbff6cdcc1650a46e3c5a032da6f85cfdceb

General

Target
wndll.exe
Size 310KB
Sample200630-wapmqvr6ee
SHA256 5b27db23756f4ddbd30a3875e30cdbff6cdcc1650a46e3c5a032da6f85cfdceb
MD5 4e0966f48e6fe2451eae96f7696dcab9
SHA1 f37c0ca9db58a784cf77712bcfaa6cf18233b495
SHA512 19eb88285c79a199ae9ff0ccc2696973185b66f1b7bf06a6b9c4aebb269eb0da71e37a39017403e4b66adbd4071911febe08dd44e3f8c0f4adb10dfe661e9b9f
MD5 SHA1 SHA512

Score

10^/10

evasion trojan keylogger stealer spyware nanocore

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3724	wndll.exe
3724	wndll.exe
3580	svhost.exe
3580	svhost.exe
3580	svhost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 3580	3724	wndll.exe	66
PID 3724 wrote to memory of 724	3724	wndll.exe	67
PID 3724 wrote to memory of 724	3724	wndll.exe	67
PID 3724 wrote to memory of 724	3724	wndll.exe	67
PID 3724 wrote to memory of 1052	3724	wndll.exe	69
PID 3724 wrote to memory of 1052	3724	wndll.exe	69
PID 3724 wrote to memory of 1052	3724	wndll.exe	69

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3724 set thread context of 3580	3724	wndll.exe	66

Executes dropped EXE 1 IoCs

pid	Process
3580	svhost.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.exe.lnk	wndll.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	wndll.exe
Token: SeDebugPrivilege	3580	svhost.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3580	svhost.exe

C:\Users\Admin\AppData\Local\Temp\wndll.exe
"C:\Users\Admin\AppData\Local\Temp\wndll.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:3724
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Checks whether UAC is enabled
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/wndll.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  PID:724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:1052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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