nanocore | 63b2109d651e58bdceb6dcd68821e723f4a5ce45875405cf395ff04937ea26b8

Analysis

max time kernel
141s
max time network
156s
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, 06:14

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General

Target

9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe
Size

418KB
MD5

9e74a20e4ecbeedc5ad6b4cfb0c41a38
SHA1

b9b94587d9cd26acc5c634b8eec072e63ec88104
SHA256

9c803b229134118deb86378c075255be2c8081fe2f9b4b8a7104edaad7f87d55
SHA512

c7fcf604ca2a09ee309f504c83e481ac44143c2eeec7d70297cdbda84f741a0318714445fa7c2991b91a02034691d3a82088f41ad505ea41da3b4ad6a17cd09f
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUK:ITNYrnE3bm/CiejewY5vp

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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation	9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe

Executes dropped EXE 1 IoCs

pid	Process
440	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-1-5-21-3920955164-3782810283-1225622749-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	9e74a20e4ecbeedc5ad6b4cfb0c41a38.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 440 set thread context of 3772	440	ximo2ubzn1i.exe	93

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	9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3772	regasm.exe
3772	regasm.exe
3772	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3772	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3772	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 440	4424	9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe	92
PID 4424 wrote to memory of 440	4424	9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe	92
PID 4424 wrote to memory of 440	4424	9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe	92
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93
PID 440 wrote to memory of 3772	440	ximo2ubzn1i.exe	93

C:\Users\Admin\AppData\Local\Temp\9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe
"C:\Users\Admin\AppData\Local\Temp\9e74a20e4ecbeedc5ad6b4cfb0c41a38.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4424
- 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:440
- - 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:3772

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
3b6f08a7054de5dbe7a29f7166a791c3

SHA1
8bbe5bd094f6d78c0141300b690e3b62bca2638a

SHA256
cb29aeb048c288d962c505b757ffb0cb89dce39ae8c1cd13cae43fcec83305ae

SHA512
a2694a5e9e36d34ea7fce35f6c52d9b20d703ee25a113790cd103eba381514a70009cdeeaf50967c62552a32ef0869585b7ec2152d0a7edb5e08307f0ca60dc9

Download Submit
memory/440-35-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/440-33-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/440-22-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/440-21-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-28-0x0000000005140000-0x00000000051DC000-memory.dmp

Filesize
624KB

Download
memory/3772-32-0x0000000006030000-0x000000000603A000-memory.dmp

Filesize
40KB

Download
memory/3772-36-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-31-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

Filesize
120KB

Download
memory/3772-30-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/3772-27-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3772-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3772-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3772-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4424-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/4424-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/4424-4-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/4424-20-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/4424-6-0x0000000005640000-0x000000000567C000-memory.dmp

Filesize
240KB

Download
memory/4424-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download
memory/4424-1-0x0000000000700000-0x000000000076E000-memory.dmp

Filesize
440KB

Download
memory/4424-5-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download