nanocore | 3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04

General

Target

3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
Size

553KB
MD5

4757e3957a66009dda083e0ceb0c1605
SHA1

b8e7b487341726fbe5e777df720284eca6fb85ef
SHA256

3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04
SHA512

5d1963fe5f1a5714c9bf1128e2317fb4059cd47ac6c1408b0a7571a3a6a59a19d77ae6ee85756f8f2eccba8551843361cc7d5e95f20a239ec7ba963746c9bdd4
SSDEEP

12288:iLV6Btpmk3HAwY7zzcjKxHASNeE28yg4vqTYfd2o:AApfwXIGASP3x4vyo

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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.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	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
456	schtasks.exe
2300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
Token: SeDebugPrivilege	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 456	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	29
PID 1756 wrote to memory of 456	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	29
PID 1756 wrote to memory of 456	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	29
PID 1756 wrote to memory of 456	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	29
PID 1756 wrote to memory of 2300	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	31
PID 1756 wrote to memory of 2300	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	31
PID 1756 wrote to memory of 2300	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	31
PID 1756 wrote to memory of 2300	1756	3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe	31

C:\Users\Admin\AppData\Local\Temp\3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.exe
"C:\Users\Admin\AppData\Local\Temp\3ddf341bb96d5cb94da122b59b38d655ebd8deac277fcaa9244246f7e131ab04.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:1756
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4357.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:456
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4413.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4357.tmp

Filesize
1KB

MD5
0c24d7029a100d016c3f574aacf4105b

SHA1
ebf1951ccabb7b736a651830ebb4774265f3907e

SHA256
90de51ab45cadb48b77ca396d1f91b67dbe5c63cc354af4b891ce532fc2cc4e2

SHA512
dfc429ca0f06b957e88696ab6b6ecc5da199b6eb6b71e0d2970d151ec4e3c48ecaff877ac48bbf85f5d84bb26622cfe5499ec611c868992547f9d9d0f2ff902d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4413.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/1756-0-0x0000000074D01000-0x0000000074D02000-memory.dmp

Filesize
4KB

Download
memory/1756-1-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/1756-2-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/1756-10-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/1756-11-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads