nanocore | 000996e02592d6f5216a77464baff2591739b5cb35a8ad930a5424c9099c7e11

Analysis

max time kernel
142s
max time network
167s
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, 06:33

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General

Target

0da351d641066e6d8ebb95e8bcb6e030.exe
Size

418KB
MD5

0da351d641066e6d8ebb95e8bcb6e030
SHA1

a95cfadf5d5c35d8d26c02c92460716003f1c9c3
SHA256

2b1b2abc07dc18921243eb6b26be170807db655803a4dfab4b4ec97d12e43d16
SHA512

398e77b481b23f8586c3da25708696b4b1b65cc7fc61035965b71d860f9e1bb7c0e984111f055fa61ee680842c4b6cd68bc7eb1717e30c55647cad7acb99b875
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUwbk:ITNYrnE3bm/CiejewY5vXk

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
primary_dns_server
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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	0da351d641066e6d8ebb95e8bcb6e030.exe

Executes dropped EXE 1 IoCs

pid	Process
3112	ximo2ubzn1i.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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	0da351d641066e6d8ebb95e8bcb6e030.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3112 set thread context of 4860	3112	ximo2ubzn1i.exe	94

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 3 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	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0da351d641066e6d8ebb95e8bcb6e030.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4860	regasm.exe
4860	regasm.exe
4860	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4860	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4860	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 3112	2500	0da351d641066e6d8ebb95e8bcb6e030.exe	92
PID 2500 wrote to memory of 3112	2500	0da351d641066e6d8ebb95e8bcb6e030.exe	92
PID 2500 wrote to memory of 3112	2500	0da351d641066e6d8ebb95e8bcb6e030.exe	92
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94
PID 3112 wrote to memory of 4860	3112	ximo2ubzn1i.exe	94

C:\Users\Admin\AppData\Local\Temp\0da351d641066e6d8ebb95e8bcb6e030.exe
"C:\Users\Admin\AppData\Local\Temp\0da351d641066e6d8ebb95e8bcb6e030.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3112
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
418KB

MD5
299d9881f5065978ef183508962de519

SHA1
af66d82987817a32d602992362ddb5ecbdc9b405

SHA256
1e077f755bc122577b2a19dc767faf900af6413f7956a06ac900203aa734c0b2

SHA512
f6340652b98fe33a3a69cfff209266112ab9206f46c499bf23ee80a409b30ed16630e73d8ed39bb10ef5237c5a62db667233196650ebd13f35d2c645aad64093

Download Submit
memory/2500-21-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/2500-1-0x0000000000740000-0x00000000007AE000-memory.dmp

Filesize
440KB

Download
memory/2500-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/2500-3-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/2500-4-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/2500-5-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/2500-6-0x0000000005430000-0x000000000546C000-memory.dmp

Filesize
240KB

Download
memory/2500-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/3112-22-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3112-20-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3112-33-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3112-35-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4860-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4860-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4860-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4860-27-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4860-28-0x00000000059B0000-0x0000000005A4C000-memory.dmp

Filesize
624KB

Download
memory/4860-30-0x00000000059A0000-0x00000000059AA000-memory.dmp

Filesize
40KB

Download
memory/4860-31-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/4860-32-0x0000000006600000-0x000000000660A000-memory.dmp

Filesize
40KB

Download
memory/4860-36-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download