nanocore | ce3ae4549b58a5304de4c262ac272aa5da715b63edd796de299c861330a4a8d6

General

Target
file.exe
Size 552KB
Sample240816-wqa3eascnj
SHA256 ce3ae4549b58a5304de4c262ac272aa5da715b63edd796de299c861330a4a8d6
MD5 06a9fb51c5455ef7c06cdad4f015c96b
SHA1 9cdcae44885e4e2e9a742810ce63c18662d617bc
SHA512 7c797b1780c0ef768a98bf04e8d560c8a6366b2cdc31d1be26cf0dc750cf490110df8bab71be29f00a8804998ac3f30235d48cebb5b56e79569ce59123ed4ba7
SSDEEP 12288:WLV6BtpmkL0GKD8wMSrbwlrVdUnBRO+KcXrWelWyk+kOTo5:EApfL0GKD8wMS/GdUnXocxlPk+kn5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	file.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	file.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	file.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	file.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4752	PING.EXE
3404	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
112	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4752	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4920	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	file.exe
Token: SeDebugPrivilege	4920	file.exe
Token: SeDebugPrivilege	112	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 3424	4920	file.exe	94
PID 4920 wrote to memory of 3424	4920	file.exe	94
PID 4920 wrote to memory of 3424	4920	file.exe	94
PID 4920 wrote to memory of 5104	4920	file.exe	96
PID 4920 wrote to memory of 5104	4920	file.exe	96
PID 4920 wrote to memory of 5104	4920	file.exe	96
PID 4920 wrote to memory of 3404	4920	file.exe	98
PID 4920 wrote to memory of 3404	4920	file.exe	98
PID 4920 wrote to memory of 3404	4920	file.exe	98
PID 3404 wrote to memory of 112	3404	cmd.exe	100
PID 3404 wrote to memory of 112	3404	cmd.exe	100
PID 3404 wrote to memory of 112	3404	cmd.exe	100
PID 3404 wrote to memory of 4752	3404	cmd.exe	101
PID 3404 wrote to memory of 4752	3404	cmd.exe	101
PID 3404 wrote to memory of 4752	3404	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /delete /f /tn "DSL Service"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3424
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /delete /f /tn "DSL Service Task"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5104
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /f /im "file.exe" & ping -n 1 -w 3000 1.1.1.1 & type nul > "C:\Users\Admin\AppData\Local\Temp\file.exe" & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im "file.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:112
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 1 -w 3000 1.1.1.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4752