nanocore | 4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 17:54

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General

Target

5c5edd67aa5da6b9e26e630508d75ab1.exe
Size

553KB
MD5

5c5edd67aa5da6b9e26e630508d75ab1
SHA1

79c2622af77c9f9dbe5abd67c97b0688a7862a9f
SHA256

4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2
SHA512

c1890111387f8f96061f46a4addfc4378b04b67753625ae4a019ccfaff34017fa4f612bbf32e585fdb1b86115d9cd95d167abfa70e2194544dcb4b2048ad0edf
SSDEEP

12288:iLV6BtpmkdFd1v/E3zQnUIIhQ66u41HFwkMmrs0xe7Ww:AApfdFb8jQ4vNalw9o27Ww

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5c5edd67aa5da6b9e26e630508d75ab1.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c5edd67aa5da6b9e26e630508d75ab1.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

pid	Process
4428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4244	5c5edd67aa5da6b9e26e630508d75ab1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	5c5edd67aa5da6b9e26e630508d75ab1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4428	4244	5c5edd67aa5da6b9e26e630508d75ab1.exe	83
PID 4244 wrote to memory of 4428	4244	5c5edd67aa5da6b9e26e630508d75ab1.exe	83
PID 4244 wrote to memory of 4428	4244	5c5edd67aa5da6b9e26e630508d75ab1.exe	83

C:\Users\Admin\AppData\Local\Temp\5c5edd67aa5da6b9e26e630508d75ab1.exe
"C:\Users\Admin\AppData\Local\Temp\5c5edd67aa5da6b9e26e630508d75ab1.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:4244
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp85D9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp85D9.tmp

Filesize
1KB

MD5
a307a279e5233c1afaec43dc641d063a

SHA1
580d1ea6d0c19cff8c29c1bb80021aa2fca49229

SHA256
dd9833f8e39d12794dd57a0761c85c3ecbd40d6908bc728a037eaf884f0f84dc

SHA512
a1073bb3ece3b31e5453356baf2680192dd94dfae94177e3332909664ac185969841fad429d3a6c1be1db15997423a156aa81b2f9beb5a212245737dff79aa83

Download Submit
memory/4244-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/4244-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4244-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4244-7-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4244-17-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/4244-18-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4244-19-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4244-20-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download