nanocore | 5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413

General

Target

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
Size

203KB
MD5

6465f2cba5575d9a6cd3b163845138f0
SHA1

f75b094b9b50e2363fa6bf1d6a23b25f4ee6a533
SHA256

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413
SHA512

c8628797a3f232bdab7fa737bb2971201e2c3cc3c3c24f8dafd897da892a0cf41c10b67c6acfc1a1401adc1dbc129151377005073383b5a4a33a1c23f723241d
SSDEEP

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI9GQYusdrK6ymbcYmRriGNnmR:MLV6Bta6dtJmakIM5zax0cYgrimmR

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
Nanocore family
nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.exe"	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

Drops file in Program Files directory 2 IoCs

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Service\wpasv.exe	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasv.exe	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.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

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.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

Processes:

schtasks.exeschtasks.exe

pid process

2456 schtasks.exe
2872 schtasks.exe

pid	process
2456	schtasks.exe
2872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

pid	process
2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

pid process

2732 5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description pid process

Token: SeDebugPrivilege 2732 5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description	pid	process
Token: SeDebugPrivilege	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe

description	pid	process	target process
PID 2732 wrote to memory of 2456	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2456	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2456	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2456	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2872	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2872	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2872	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe
PID 2732 wrote to memory of 2872	2732	5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.exe
"C:\Users\Admin\AppData\Local\Temp\5585783801297b37bbd7e49fdcf3b366046084a6d48618c21edd1cbf2838b413N.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:2732
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7B19.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2456
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7D7A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2872

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\tmp7B19.tmp

Filesize
1KB

MD5
c1c213c40eb051a4e2574abcf73035b7

SHA1
ebb3f515b2a268969aee39ae574ffe7e866976dd

SHA256
87201631b3dc818b8bb605e43bb4fbf1b68cb9ae43a7286297a5323dfdc1250e

SHA512
6bcca73dbc9e7dae518528a64f1c5fd9fd0df2d28bfedc7dca5e0fb512a0b891083540185c9e98541d614a3f3796ea43b01e7aa389c1d5421726f484ddafbbbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7D7A.tmp

Filesize
1KB

MD5
21de6c3a6440d917bdbb4b491191d9b2

SHA1
c63c300affe7147910dc4544d2d5f3029bf321a6

SHA256
23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4

SHA512
dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f

Download Submit
memory/2732-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/2732-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-10-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads