nanocore | 56122070a3bdb1f168cbae330d58b9c268700509420d2670ccafd01221b45751

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2022, 05:57

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General

Target

files/8.exe
Size

1.1MB
MD5

462b767e71149ee7d99e089a3666134f
SHA1

a562e803e316f62dcb888fca2776ccaff856f087
SHA256

798fef99b6daee1950dd12f5f42980e1c6ce8a9729619556238f14a20da274fc
SHA512

b07ca68ae9cbf0b7800377a7791d2d75a6345f6119b9053917bc1ea1e3dfd2517c2ba8f1465595f3ba629e5346bc6dc7cd2e7975d959abf323180d07e09cd7e8

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

nzekanze.hopto.org:50945

127.0.0.1:50945

Mutex

4cda8dc2-7153-402d-bf02-946a53eacd5e

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-02-22T04:56:28.410536736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
50945
default_group
May12
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
4cda8dc2-7153-402d-bf02-946a53eacd5e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nzekanze.hopto.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 2 IoCs

pid	Process
1512	tmp.exe
4972	.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	8.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.exe.lnk	8.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	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3880 set thread context of 4972	3880	8.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4284	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
1512	tmp.exe
1512	tmp.exe
1512	tmp.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe
3880	8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1512	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	8.exe
Token: SeDebugPrivilege	1512	tmp.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 5092	3880	8.exe	81
PID 3880 wrote to memory of 5092	3880	8.exe	81
PID 3880 wrote to memory of 5092	3880	8.exe	81
PID 5092 wrote to memory of 1328	5092	cmd.exe	83
PID 5092 wrote to memory of 1328	5092	cmd.exe	83
PID 5092 wrote to memory of 1328	5092	cmd.exe	83
PID 3880 wrote to memory of 1512	3880	8.exe	84
PID 3880 wrote to memory of 1512	3880	8.exe	84
PID 3880 wrote to memory of 1512	3880	8.exe	84
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4972	3880	8.exe	85
PID 3880 wrote to memory of 4328	3880	8.exe	86
PID 3880 wrote to memory of 4328	3880	8.exe	86
PID 3880 wrote to memory of 4328	3880	8.exe	86
PID 4328 wrote to memory of 4284	4328	cmd.exe	88
PID 4328 wrote to memory of 4284	4328	cmd.exe	88
PID 4328 wrote to memory of 4284	4328	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\files\8.exe
"C:\Users\Admin\AppData\Local\Temp\files\8.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
    3⤵
    PID:1328
- C:\Users\Admin\AppData\Roaming\tmp.exe
  "C:\Users\Admin\AppData\Roaming\tmp.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1512
- C:\Users\Admin\AppData\Local\Temp\.exe
  "C:\Users\Admin\AppData\Local\Temp\.exe"
  2⤵
  - Executes dropped EXE
  PID:4972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - Delays execution with timeout.exe
    PID:4284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\.exe

Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

Download Submit
C:\Users\Admin\AppData\Local\Temp\.exe

Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

Download Submit
C:\Users\Admin\AppData\Roaming\FolderN\name.exe

Filesize
1.1MB

MD5
462b767e71149ee7d99e089a3666134f

SHA1
a562e803e316f62dcb888fca2776ccaff856f087

SHA256
798fef99b6daee1950dd12f5f42980e1c6ce8a9729619556238f14a20da274fc

SHA512
b07ca68ae9cbf0b7800377a7791d2d75a6345f6119b9053917bc1ea1e3dfd2517c2ba8f1465595f3ba629e5346bc6dc7cd2e7975d959abf323180d07e09cd7e8

Download Submit
C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat

Filesize
189B

MD5
dca86f6bec779bba1b58d992319e88db

SHA1
844e656d3603d15ae56f36298f8031ad52935829

SHA256
413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743

SHA512
4b9d532a777921543b3243020ea4b655a8b956c400b237ce714b5bd8e9a3ad7fdbcb11410e84e2e0ecc45e87dcd107385a487f5bb5b359aabd1322314ef2d24c

Download Submit
C:\Users\Admin\AppData\Roaming\tmp.exe

Filesize
202KB

MD5
da8d6e71c6bb67861cf0c2b5837c3f24

SHA1
8bdd241499f22a307a7ae678deee6e9805103239

SHA256
889138ac049711ac3e55334da9fa18d3d493bbc1a51df3eb467ba409720c45a2

SHA512
3f4f02f29af7c666bd0abeed15d5cbacda7b962e0286b7f3d8c03436fadeef32e4b696a2e1c20f46b94c5cde5a3ee2c53d378fba923b8662925d27cb30f79826

Download Submit
C:\Users\Admin\AppData\Roaming\tmp.exe

Filesize
202KB

MD5
da8d6e71c6bb67861cf0c2b5837c3f24

SHA1
8bdd241499f22a307a7ae678deee6e9805103239

SHA256
889138ac049711ac3e55334da9fa18d3d493bbc1a51df3eb467ba409720c45a2

SHA512
3f4f02f29af7c666bd0abeed15d5cbacda7b962e0286b7f3d8c03436fadeef32e4b696a2e1c20f46b94c5cde5a3ee2c53d378fba923b8662925d27cb30f79826

Download Submit
memory/1512-145-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1512-149-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-131-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-130-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-148-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4972-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4972-146-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4972-147-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download