nanocore | 44eae16cf38376d158b41110880be13da97dc492ccec500d8931104d85fd907c

General

Target

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Size

945KB
MD5

a1f6c95a377a8c4c194a018614a6b463
SHA1

cd8ce511a2ac57aec39892c0b27832a18e77fc39
SHA256

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c
SHA512

fb93341612485022964338a421fbf6a77876d1efc492307e18a4fa28354643f8675cf685847ee8ffc9315232449f1c6b8aab674bb2beb0dc5e14ca6e020510a5
SSDEEP

12288:gI0MYBl4BwkivLUyyqexCwG879IO0MgsaQ/nsy9LHr24HwmU3V50:50MYfMweyTivP7yO7aQ/nsWRQJV5

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

december2nd.ddns.net:65024

december2n.duckdns.org:65024

Mutex

2c009a56-c28c-48f4-8875-acf9e1222e9f

Attributes

activate_away_mode
false
backup_connection_host
december2n.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2024-02-17T09:12:36.211032636Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
65024
default_group
NO GREE
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
2c009a56-c28c-48f4-8875-acf9e1222e9f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
december2nd.ddns.net
primary_dns_server
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
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2656 powershell.exe
2728 powershell.exe

pid	process
2656	powershell.exe
2728	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe

description	pid	process	target process
PID 1116 set thread context of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2652 schtasks.exe
2248 schtasks.exe
1896 schtasks.exe

pid	process
2652	schtasks.exe
2248	schtasks.exe
1896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2656	powershell.exe
2728	powershell.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2664	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2664 RegSvcs.exe

pid	process
2664	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	2664	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exe

description	pid	process	target process
PID 1116 wrote to memory of 2656	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2656	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2656	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2656	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2728	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2728	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2728	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2728	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1116 wrote to memory of 2652	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1116 wrote to memory of 2652	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1116 wrote to memory of 2652	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1116 wrote to memory of 2652	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1116 wrote to memory of 2664	1116	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2664 wrote to memory of 2248	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 2248	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 2248	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 2248	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 1896	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 1896	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 1896	2664	RegSvcs.exe	schtasks.exe
PID 2664 wrote to memory of 1896	2664	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
"C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2656

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fupTmRCVq.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8095.tmp"
2⤵
- Creates scheduled task(s)
PID:2652

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8324.tmp"
3⤵
- Creates scheduled task(s)
PID:2248

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8364.tmp"
3⤵
- Creates scheduled task(s)
PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8095.tmp

Filesize
1KB

MD5
122948dca7779ba7039268d3a04d3a15

SHA1
671def2693db910bad5942b5b67068f44c26432a

SHA256
882f381b7f2e749e70e335cf16ffbf1f6dc42abc7882f64bf1998e11520df101

SHA512
04b0f47a4355cd7ef1992d71c1040c2515038eea419715de447b9be3483c5ec88ce9269f130eee337e8577cd5b0506ae6d5be2804072da0e508008899fa59235

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8324.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8364.tmp

Filesize
1KB

MD5
6b30dba7972c92c9a1b881e88c108b15

SHA1
f76207985cc5a1f70edb2fb5bd45678f195a4564

SHA256
578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

SHA512
e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8L6GZWXTU49EPQGCF48S.temp

Filesize
7KB

MD5
f49b13858f22e7daaead4a1aa99eb7ed

SHA1
9451ab5c7bf943c50b151719e9fa04ee806b68f4

SHA256
23aa19cab82808d621f0a38d6998b720dcf796d2d73584edae566b46f867d2ff

SHA512
d7af2c24980b080ab56114b23c7f24936141f9ca225caad05e374caf3229bf9cf50ab3466f600df4cf42448c7d7674114b219d6f2014f7469c4a2dac581224f8

Download Submit
memory/1116-6-0x0000000004D70000-0x0000000004DEC000-memory.dmp

Filesize
496KB

Download
memory/1116-31-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1116-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1116-4-0x00000000009A0000-0x00000000009B0000-memory.dmp

Filesize
64KB

Download
memory/1116-3-0x0000000000920000-0x000000000093E000-memory.dmp

Filesize
120KB

Download
memory/1116-5-0x00000000009B0000-0x00000000009C6000-memory.dmp

Filesize
88KB

Download
memory/1116-1-0x0000000000A20000-0x0000000000B12000-memory.dmp

Filesize
968KB

Download
memory/1116-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-28-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-29-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-39-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2664-40-0x0000000000440000-0x000000000044C000-memory.dmp

Filesize
48KB

Download
memory/2664-41-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/2664-42-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads