nanocore | 56122070a3bdb1f168cbae330d58b9c268700509420d2670ccafd01221b45751

Analysis

max time kernel
148s
max time network
162s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-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
952	tmp.exe
2024	.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

Loads dropped DLL 3 IoCs

pid	Process
756	8.exe
756	8.exe
756	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 756 set thread context of 2024	756	8.exe	31

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
760	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
756	8.exe
756	8.exe
756	8.exe
756	8.exe
952	tmp.exe
952	tmp.exe
952	tmp.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe
756	8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
952	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	8.exe
Token: SeDebugPrivilege	952	tmp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 1320	756	8.exe	27
PID 756 wrote to memory of 1320	756	8.exe	27
PID 756 wrote to memory of 1320	756	8.exe	27
PID 756 wrote to memory of 1320	756	8.exe	27
PID 1320 wrote to memory of 1108	1320	cmd.exe	29
PID 1320 wrote to memory of 1108	1320	cmd.exe	29
PID 1320 wrote to memory of 1108	1320	cmd.exe	29
PID 1320 wrote to memory of 1108	1320	cmd.exe	29
PID 756 wrote to memory of 952	756	8.exe	30
PID 756 wrote to memory of 952	756	8.exe	30
PID 756 wrote to memory of 952	756	8.exe	30
PID 756 wrote to memory of 952	756	8.exe	30
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 2024	756	8.exe	31
PID 756 wrote to memory of 1760	756	8.exe	32
PID 756 wrote to memory of 1760	756	8.exe	32
PID 756 wrote to memory of 1760	756	8.exe	32
PID 756 wrote to memory of 1760	756	8.exe	32
PID 1760 wrote to memory of 760	1760	cmd.exe	34
PID 1760 wrote to memory of 760	1760	cmd.exe	34
PID 1760 wrote to memory of 760	1760	cmd.exe	34
PID 1760 wrote to memory of 760	1760	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\files\8.exe
"C:\Users\Admin\AppData\Local\Temp\files\8.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:1320
- - 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:1108
- 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:952
- C:\Users\Admin\AppData\Local\Temp\.exe
  "C:\Users\Admin\AppData\Local\Temp\.exe"
  2⤵
  - Executes dropped EXE
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - Delays execution with timeout.exe
    PID:760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

Filesize
202KB

MD5
da8d6e71c6bb67861cf0c2b5837c3f24

SHA1
8bdd241499f22a307a7ae678deee6e9805103239

SHA256
889138ac049711ac3e55334da9fa18d3d493bbc1a51df3eb467ba409720c45a2

SHA512
3f4f02f29af7c666bd0abeed15d5cbacda7b962e0286b7f3d8c03436fadeef32e4b696a2e1c20f46b94c5cde5a3ee2c53d378fba923b8662925d27cb30f79826

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

Filesize
202KB

MD5
da8d6e71c6bb67861cf0c2b5837c3f24

SHA1
8bdd241499f22a307a7ae678deee6e9805103239

SHA256
889138ac049711ac3e55334da9fa18d3d493bbc1a51df3eb467ba409720c45a2

SHA512
3f4f02f29af7c666bd0abeed15d5cbacda7b962e0286b7f3d8c03436fadeef32e4b696a2e1c20f46b94c5cde5a3ee2c53d378fba923b8662925d27cb30f79826

Download Submit
memory/756-87-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/756-54-0x0000000076291000-0x0000000076293000-memory.dmp

Filesize
8KB

Download
memory/756-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/756-56-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/952-88-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/952-82-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-83-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-89-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-90-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download