nanocore | e372a026f9c65009e15ba110a075dc993e5ac0e12add4fcca36e61ab71f76291

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 02:27

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Новая папка/Xenos64.exe
Size 1.1MB
Sample240204-cxt93shgcl
SHA256 e76c38ad723e6a8e433c8e155396c2b469e69ca505b7cbc4a0ba34aca7981dfc
MD5 776e5f12ef19d4353b89adffaefe7bb7
SHA1 ed52cb71630beb06eecf197208592232640baa48
SHA512 26fab6fa8aed5d11a9439b88a7f1f7075bc244108b30ee18b911e500af9e174e5ad20260d16831f2a9c7c68062e7f9f584b2fb1a37079eff4000c02cbf053257
SSDEEP 24576:PSxykWeIX+bE+LcmEtr1GGW6UsBaIarNFphbN1+/:PSx3gfYPEeUUsYIar6/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

geppasser.ddns.net:1337
127.0.0.1:1337

Mutex

46092fea-59b4-4f42-8a2b-48d0a688aff3

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-07-26T16:17:59.507526836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1337
default_group
Mine
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
46092fea-59b4-4f42-8a2b-48d0a688aff3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
geppasser.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Executes dropped EXE 3 IoCs

pid	Process
2108	Xenos64.exe
2752	NVIDIA Container.exe
1092	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
2508	Xenos64.exe
2508	Xenos64.exe
2508	Xenos64.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	NVIDIA Container.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	NVIDIA Container.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.exe	NVIDIA Container.exe

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

System Information Discovery
T1082

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.xpr64	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Edit\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Xenos64.exe --load %1"	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\DefaultIcon	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Run\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Xenos64.exe --run %1"	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Xenos64.exe,-135"	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xpr64\ = "XenosProfile64"	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Edit\command	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Edit	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Run	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\ = "Run"	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xpr64\Content Type = "Application/xml"	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64	Xenos64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\ = "Xenos 64-bit injection profile"	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell	Xenos64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XenosProfile64\shell\Run\command	Xenos64.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2752	NVIDIA Container.exe
2752	NVIDIA Container.exe
2752	NVIDIA Container.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2752	NVIDIA Container.exe
2108	Xenos64.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	Xenos64.exe
Token: SeLoadDriverPrivilege	2108	Xenos64.exe
Token: SeDebugPrivilege	2752	NVIDIA Container.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2108	2508	Xenos64.exe	28
PID 2508 wrote to memory of 2108	2508	Xenos64.exe	28
PID 2508 wrote to memory of 2108	2508	Xenos64.exe	28
PID 2508 wrote to memory of 2108	2508	Xenos64.exe	28
PID 2508 wrote to memory of 2752	2508	Xenos64.exe	29
PID 2508 wrote to memory of 2752	2508	Xenos64.exe	29
PID 2508 wrote to memory of 2752	2508	Xenos64.exe	29
PID 2508 wrote to memory of 2752	2508	Xenos64.exe	29

C:\Users\Admin\AppData\Local\Temp\Новая папка\Xenos64.exe
"C:\Users\Admin\AppData\Local\Temp\Новая папка\Xenos64.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\Xenos64.exe
  "C:\Users\Admin\AppData\Local\Temp\Xenos64.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2108
- C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe
  "C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2752

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

NVIDIA Container.exe

Path C:\Users\Admin\AppData\Local\Temp\NVIDIA Container.exe
Size 202KB
SHA256 f64301d34383f81645e95b8c97be0dc8deb9653c09597d463269977f99ff10d2
MD5 837a6a75b4868e03594a936e1eed6ac3
SHA1 041e2ab3f4f32c35a50d36631c18e308829be8c5
SHA512 7f6ccd5875dd0a8b730c223606fa3531f3c8eeee70357f3ff04831fc78bf1daab4a6437eccaf0caf2d3450a773e257005610654f9dd656a82ab0b00ab6ba1293
SSDEEP 3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIbPcsD6RA5E3bKKiCf3e0kYrOm:gLV6Bta6dtJmakIM5+cs8A5ELiUfo6
MD5 SHA1 SHA512 SSDEEP

Submit Download

Xenos64.exe

Path \Users\Admin\AppData\Local\Temp\Xenos64.exe
Size 1.3MB
SHA256 0e6d59fcdf8f143e23b076cc8380d6d23324839ae4f91793133b600e7eb76eb9
MD5 6f0dd4150efddfc20b70401479964211
SHA1 e97c802a8013b13fb91a831b779ade7c3ca6870b
SHA512 d8e823876507cd10b8c176e502c99bb80d52742eaa7c0e319b2a5c1f605de962505bf09950418a461fde427db34a59dbb67cbb4a6045f44d243c77945aebd0fb
SSDEEP 24576:uLGfO4noYBPtVY3HPou37urInN48pGrnofSVgPCS3tMrMyj3F9hIF1SqY5cbaF:uLGfKY5tVY3gur9N4p0SVE3tMx3FE1Sr
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2108-27-0x0000000000030000-0x0000000000130000-memory.dmp

Download

memory/2108-34-0x0000000000030000-0x0000000000130000-memory.dmp

Download

memory/2752-30-0x00000000006E0000-0x0000000000720000-memory.dmp

Download

memory/2752-29-0x0000000074DF0000-0x000000007539B000-memory.dmp

Download

memory/2752-31-0x0000000074DF0000-0x000000007539B000-memory.dmp

Download

memory/2752-36-0x00000000006E0000-0x0000000000720000-memory.dmp

Download

memory/2752-35-0x0000000074DF0000-0x000000007539B000-memory.dmp

Download