nanocore | 55edcf08f8521a9cddde8570baaac0ab8ef6e640e96c834db0e5c12f5b9c68fe

Analysis

max time kernel
137s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:18

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General

Target

f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
Size

923KB
MD5

03fec9db45b4e2b6bd119629c62afeed
SHA1

f9e3d4f4c5142b8e9e62d876fb1d75022059936e
SHA256

f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29
SHA512

f30c2d7bb2201b9f78c5c23bcad35a04bad30a23b32e8bba006b9fb4ac453476d303109802c5799d60c813d7e942f3f38f336075d9709af0c02daadf8762cd7c
SSDEEP

24576:UdtP2cbksTpugRNJI5kFMJF9OWjwjLOjZX7:tgq17

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

91.236.116.142:5888

Mutex

d995ed82-bf13-4043-b564-f5f89f8c5209

Attributes

activate_away_mode
true
backup_connection_host
91.236.116.142
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-01-07T03:01:54.729778636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5888
default_group
Spy
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
d995ed82-bf13-4043-b564-f5f89f8c5209
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.236.116.142
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
Nanocore family
nanocore

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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe

Executes dropped EXE 1 IoCs

pid	Process
6004	app.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 6004 set thread context of 4648	6004	app.exe	107

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
6004	app.exe
6004	app.exe
6004	app.exe
6004	app.exe
6004	app.exe
6004	app.exe
4648	aspnet_compiler.exe
4648	aspnet_compiler.exe
4648	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4648	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
Token: SeDebugPrivilege	6004	app.exe
Token: SeDebugPrivilege	4648	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 6004	2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe	98
PID 2948 wrote to memory of 6004	2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe	98
PID 2948 wrote to memory of 6004	2948	f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe	98
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 6004 wrote to memory of 4648	6004	app.exe	107
PID 4648 wrote to memory of 2084	4648	aspnet_compiler.exe	108
PID 4648 wrote to memory of 2084	4648	aspnet_compiler.exe	108
PID 4648 wrote to memory of 2084	4648	aspnet_compiler.exe	108

C:\Users\Admin\AppData\Local\Temp\f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe
"C:\Users\Admin\AppData\Local\Temp\f27c4963784ed1d311afd03bdfbe000f499b67edd16c4af85d34e547b892ca29.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:6004
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDDC8.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDDC8.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

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

Filesize
932KB

MD5
afd1041545455eca8f26e54c24020fc1

SHA1
650237d2b8c87c3d7e346b983aaa112d8c477de2

SHA256
6a964ccdded7a3837e35a3bfe1d35df00d970ca1a0c5b7d8d7dd0f49683f9873

SHA512
7022f0d3f3d25115d66c27a0ede32e240394d219b648248eff56f8495f04efcc416779f81352411826d6ccc083912b4125c345044d987e77134fef29e349aec6

Download Submit
memory/2948-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/2948-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2948-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2948-6-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2948-5-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2948-7-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/2948-8-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2948-30-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4648-39-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4648-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4648-42-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4648-41-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4648-47-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-33-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-34-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-35-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-32-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-40-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/6004-31-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download