nanocore | ce63ae9069832ff3b0f2eb76b384c40cd8b70987280d4cc07559493a2b5c04ff

Analysis

max time kernel
137s
max time network
153s
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, 06:10

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General

Target

4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
Size

920KB
MD5

3e88b60d7a5480672d773508d6d959fb
SHA1

5226af2c7cf9ac308bb154506113a2e1dd6abebe
SHA256

4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922
SHA512

0baf73952ebdb57dad095c047b70d81d357cacfcf7a64b94bf5ac347df59a3aecb362c2e80ce145216860c3fc07ed39ee86d1093c04d42a4bc7e3110b39b0528
SSDEEP

24576:7dtP2cbksTpugRNJI5kFMJF9OWjwjLOjZD:4gq1

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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 1988	2028	app.exe	101

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	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.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
1260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
2028	app.exe
2028	app.exe
2028	app.exe
2028	app.exe
2028	app.exe
2028	app.exe
1988	aspnet_compiler.exe
1988	aspnet_compiler.exe
1988	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1988	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
Token: SeDebugPrivilege	2028	app.exe
Token: SeDebugPrivilege	1988	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 2028	3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe	95
PID 3988 wrote to memory of 2028	3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe	95
PID 3988 wrote to memory of 2028	3988	4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe	95
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 2028 wrote to memory of 1988	2028	app.exe	101
PID 1988 wrote to memory of 1260	1988	aspnet_compiler.exe	102
PID 1988 wrote to memory of 1260	1988	aspnet_compiler.exe	102
PID 1988 wrote to memory of 1260	1988	aspnet_compiler.exe	102

C:\Users\Admin\AppData\Local\Temp\4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.exe
"C:\Users\Admin\AppData\Local\Temp\4cc3e6fe699a661d5a6ea786a93cfacd887570860b351476e5f5a1d3616bf922.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:3988
- 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:2028
- - 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:1988
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1033.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1260

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1033.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

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

Filesize
929KB

MD5
34cdc2380522bdc617ccc2e695d7f2c4

SHA1
2aed12cc411d78c36f060feb0ae4d06a577c4051

SHA256
23d8b0a39151dfc0db11d173b07e19abaa543fe4bc3f568a8bd58b548c8c2356

SHA512
8ceae79a7966c7781d25de264591ce57f23599131b1a195de908de658f78c6598336046bb388952db5866f95c3f72a4382b45603dbbd0d96613c2e35618c0f8e

Download Submit
memory/1988-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1988-48-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1988-42-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1988-41-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1988-39-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-43-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-35-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-32-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-36-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-33-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2028-34-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-7-0x00000000745F2000-0x00000000745F3000-memory.dmp

Filesize
4KB

Download
memory/3988-31-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-9-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-8-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-0-0x00000000745F2000-0x00000000745F3000-memory.dmp

Filesize
4KB

Download
memory/3988-6-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-5-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-2-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/3988-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download