nanocore | 54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b

General

Target

661853c344c274af24c2d172db42cc9b.exe
Size

203KB
MD5

661853c344c274af24c2d172db42cc9b
SHA1

4bf93aa965559f99c85e521f5984cb409591f54c
SHA256

54c028b0bb2728975b22d500df2164a3218670a3db6cb8a9a31654fdc2b8a20b
SHA512

ebc3286c97af3f8df973842c21422c124160fefeeeda50757f7e41c9b9fb7405d4d25bd11c5e0a31ab90b41482b444aa5a6e2348f1b475a08238e0784bcd2503
SSDEEP

3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIPoiT05t4Ziu8hBVv4TPcXQZq/:sLV6Bta6dtJmakIM5EGtMMnEcXs7hmt

Score

10^/10

nanocore defense_evasion discovery 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
Nanocore family
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"	661853c344c274af24c2d172db42cc9b.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	661853c344c274af24c2d172db42cc9b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	661853c344c274af24c2d172db42cc9b.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	661853c344c274af24c2d172db42cc9b.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	661853c344c274af24c2d172db42cc9b.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
2112	schtasks.exe
2268	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2392	661853c344c274af24c2d172db42cc9b.exe
2392	661853c344c274af24c2d172db42cc9b.exe
2392	661853c344c274af24c2d172db42cc9b.exe
2392	661853c344c274af24c2d172db42cc9b.exe
2392	661853c344c274af24c2d172db42cc9b.exe
2392	661853c344c274af24c2d172db42cc9b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2392	661853c344c274af24c2d172db42cc9b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	661853c344c274af24c2d172db42cc9b.exe
Token: SeDebugPrivilege	2392	661853c344c274af24c2d172db42cc9b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2112	2392	661853c344c274af24c2d172db42cc9b.exe	30
PID 2392 wrote to memory of 2112	2392	661853c344c274af24c2d172db42cc9b.exe	30
PID 2392 wrote to memory of 2112	2392	661853c344c274af24c2d172db42cc9b.exe	30
PID 2392 wrote to memory of 2112	2392	661853c344c274af24c2d172db42cc9b.exe	30
PID 2392 wrote to memory of 2268	2392	661853c344c274af24c2d172db42cc9b.exe	32
PID 2392 wrote to memory of 2268	2392	661853c344c274af24c2d172db42cc9b.exe	32
PID 2392 wrote to memory of 2268	2392	661853c344c274af24c2d172db42cc9b.exe	32
PID 2392 wrote to memory of 2268	2392	661853c344c274af24c2d172db42cc9b.exe	32

C:\Users\Admin\AppData\Local\Temp\661853c344c274af24c2d172db42cc9b.exe
"C:\Users\Admin\AppData\Local\Temp\661853c344c274af24c2d172db42cc9b.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:2392
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9AE8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2112
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9B76.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2268

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\tmp9AE8.tmp

Filesize
1KB

MD5
7c1e3438321c13afd83257e4839b8f33

SHA1
2461f57669f68fb52bfd98dc1afba9e4c5951177

SHA256
981b514010e868bd65bb600f7adbfbf6087fb308a920a31ee0b858c66307a1e6

SHA512
b8170b1769ad7029196a25d11debb89fae55e2c3ea2f4a3867d917bea75ae4b4f7f969acacf50df801a37f6e73393f8b8dad7ab7d1ddbfb986fdf0e59198b675

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9B76.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/2392-0-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-2-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-13-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads