nanocore | ce3ae4549b58a5304de4c262ac272aa5da715b63edd796de299c861330a4a8d6

General

Target

file.exe
Size

552KB
MD5

06a9fb51c5455ef7c06cdad4f015c96b
SHA1

9cdcae44885e4e2e9a742810ce63c18662d617bc
SHA256

ce3ae4549b58a5304de4c262ac272aa5da715b63edd796de299c861330a4a8d6
SHA512

7c797b1780c0ef768a98bf04e8d560c8a6366b2cdc31d1be26cf0dc750cf490110df8bab71be29f00a8804998ac3f30235d48cebb5b56e79569ce59123ed4ba7
SSDEEP

12288:WLV6BtpmkL0GKD8wMSrbwlrVdUnBRO+KcXrWelWyk+kOTo5:EApfL0GKD8wMS/GdUnXocxlPk+kn5

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

Processes:

file.exe

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

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA file.exe

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

Processes:

file.exe

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

Processes:

file.exeschtasks.exeschtasks.execmd.exetaskkill.exePING.EXE

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

Processes:

PING.EXEcmd.exe

pid process

4752 PING.EXE
3404 cmd.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

112 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4752 PING.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

file.exe

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

Processes:

file.exe

pid process

4920 file.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

file.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 4920 file.exe
Token: SeDebugPrivilege 4920 file.exe
Token: SeDebugPrivilege 112 taskkill.exe

pid	process
4752	PING.EXE
3404	cmd.exe

pid	process
112	taskkill.exe

pid	process
4752	PING.EXE

pid	process
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe
4920	file.exe

pid	process
4920	file.exe

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

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

file.execmd.exe

description	pid	process	target process
PID 4920 wrote to memory of 3424	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 3424	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 3424	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 5104	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 5104	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 5104	4920	file.exe	schtasks.exe
PID 4920 wrote to memory of 3404	4920	file.exe	cmd.exe
PID 4920 wrote to memory of 3404	4920	file.exe	cmd.exe
PID 4920 wrote to memory of 3404	4920	file.exe	cmd.exe
PID 3404 wrote to memory of 112	3404	cmd.exe	taskkill.exe
PID 3404 wrote to memory of 112	3404	cmd.exe	taskkill.exe
PID 3404 wrote to memory of 112	3404	cmd.exe	taskkill.exe
PID 3404 wrote to memory of 4752	3404	cmd.exe	PING.EXE
PID 3404 wrote to memory of 4752	3404	cmd.exe	PING.EXE
PID 3404 wrote to memory of 4752	3404	cmd.exe	PING.EXE

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

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4920-0-0x0000000075442000-0x0000000075443000-memory.dmp

Filesize
4KB

Download
memory/4920-1-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-2-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-5-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-8-0x0000000075442000-0x0000000075443000-memory.dmp

Filesize
4KB

Download
memory/4920-9-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-10-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-11-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4920-17-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads