nanocore | 000996e02592d6f5216a77464baff2591739b5cb35a8ad930a5424c9099c7e11

Analysis

max time kernel
142s
max time network
159s
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, 06:08

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General

Target

0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe
Size

418KB
MD5

e99b2320bfeb2fb2579d35579d57e2fc
SHA1

91521081f29857d0c52b02e9b3f1ef3d631c8223
SHA256

0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81
SHA512

acb6da9556db64bc9963635e707f1675127b78231db73524ada754bca4a855a5eaebb8d95d374e5ae8f8aa24f326df0f198b26ba47de3c824a5300dfe59205d5
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUwbO:ITNYrnE3bm/CiejewY5vXO

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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe

Executes dropped EXE 1 IoCs

pid	Process
5736	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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.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 5736 set thread context of 3788	5736	ximo2ubzn1i.exe	89

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	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.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
3788	regasm.exe
3788	regasm.exe
3788	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3788	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 5736	4640	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe	88
PID 4640 wrote to memory of 5736	4640	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe	88
PID 4640 wrote to memory of 5736	4640	0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe	88
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89
PID 5736 wrote to memory of 3788	5736	ximo2ubzn1i.exe	89

C:\Users\Admin\AppData\Local\Temp\0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe
"C:\Users\Admin\AppData\Local\Temp\0df2367bf99523e1510e59310538d736cd3b125dcf0d76a09644fe7c65402f81.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4640
- 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:5736
- - 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:3788

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
f836ffc5cb321802fc8513f1f241fae9

SHA1
7fb1713d07b854d81d36a55daa5dce355e367768

SHA256
f9874e720a32ab938619eabf881cf184374c6d6b1887bd017d264d632b148de1

SHA512
a55712b2e1429af712fe84037c6c8f94506542c283a473ff27377b6697cb6c7f08e32ddccb1c940d6578551534b971a77a29e8733bde3168d8e29867f09d730e

Download Submit
memory/3788-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3788-36-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/3788-32-0x0000000006370000-0x000000000637A000-memory.dmp

Filesize
40KB

Download
memory/3788-31-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3788-30-0x0000000005B40000-0x0000000005B4A000-memory.dmp

Filesize
40KB

Download
memory/3788-28-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/3788-27-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/3788-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3788-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4640-5-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4640-21-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4640-6-0x0000000005CA0000-0x0000000005CDC000-memory.dmp

Filesize
240KB

Download
memory/4640-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/4640-4-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/4640-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/4640-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/4640-1-0x0000000000E90000-0x0000000000EFE000-memory.dmp

Filesize
440KB

Download
memory/5736-22-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/5736-20-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/5736-33-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/5736-35-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download