nanocore | fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744

General

Target

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe
Size

299KB
MD5

9c36ba93f22aa3945d1e18c28550a160
SHA1

27ad10c76cf7ead233077b14923c999ed1fdfe38
SHA256

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744
SHA512

16352b26e7545699ca3d16ae168d9d6515ff47750ccd2d76bae6ea5338d8b3029ed68cb260e24644cb2154571e63ef4c4dfb286bf46a7d6e9f5fda3bb6298c56
SSDEEP

6144:WLV6Bta6dtJmakIM5+0IblOv/DCSd1j0gAjm6iRG/iEAqix:WLV6Btpmk9bMvLCSj0gAjm6BiEDc

Score

10^/10

nanocore discovery evasion keylogger 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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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:

schtasks.exefc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
3576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

pid	Process
1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe
1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe
1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

pid	Process
1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

description	pid	Process
Token: SeDebugPrivilege	1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe

description	pid	Process	procid_target
PID 1492 wrote to memory of 3576	1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe	87
PID 1492 wrote to memory of 3576	1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe	87
PID 1492 wrote to memory of 3576	1492	fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe	87

C:\Users\Admin\AppData\Local\Temp\fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe
"C:\Users\Admin\AppData\Local\Temp\fc7fc57b5f582c28c43863f679fa2940737ebd6c92f9e6925400b0462e08b744N.exe"
1⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA6EE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmpA6EE.tmp

Filesize
1KB

MD5
7e9e9a7396f2f43276403401e56ec46e

SHA1
9a8487e1a1fca5870433008df30e14a4e2ffd0ef

SHA256
c14dbf85bd0b1998db26ef69568d4ea3f7d22a1663a36fb8ef4e71918a7e9825

SHA512
e07b3e9bf4c28a2997ecf72eb8b030df5126e5c2e46306e823bfb72105c3218e5110802d8a59c9e8960d14332c848b8a7e58ad1fc7ba0b4c2740d8312feee7d2

Download Submit
memory/1492-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/1492-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1492-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1492-7-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1492-8-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/1492-9-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1492-10-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1492-11-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads