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

2548 powershell.exe
2448 powershell.exe

pid	process
2548	powershell.exe
2448	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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe

description	pid	process	target process
PID 1936 set thread context of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.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

2436 schtasks.exe
2724 schtasks.exe
2768 schtasks.exe

pid	process
2436	schtasks.exe
2724	schtasks.exe
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2548	powershell.exe
2448	powershell.exe
2896	RegSvcs.exe
2896	RegSvcs.exe
2896	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2896 RegSvcs.exe

pid	process
2896	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	2448	powershell.exe
Token: SeDebugPrivilege	2896	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exe

description	pid	process	target process
PID 1936 wrote to memory of 2548	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2548	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2548	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2548	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2448	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2448	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2448	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2448	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 1936 wrote to memory of 2436	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1936 wrote to memory of 2436	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1936 wrote to memory of 2436	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1936 wrote to memory of 2436	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 1936 wrote to memory of 2896	1936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2896 wrote to memory of 2724	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2724	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2724	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2724	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2768	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2768	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2768	2896	RegSvcs.exe	schtasks.exe
PID 2896 wrote to memory of 2768	2896	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:1936

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:2548

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:2448

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6087.tmp"
2⤵
- Creates scheduled task(s)
PID:2436

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:2896

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp624C.tmp"
3⤵
- Creates scheduled task(s)
PID:2724

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp62E9.tmp"
3⤵
- Creates scheduled task(s)
PID:2768

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\tmp6087.tmp

Filesize
1KB

MD5
06bdbfcf19804b225e4d680b1e19e402

SHA1
c971d8c330289a91452fc62c185709dc9403ac24

SHA256
b2c0c45a73e4ec3c4395995c0bf3e4cfa9334c5b8da5818cb621c732fd8079a6

SHA512
5fb2ee00d450d43951031326807b13f8d5ce6ee1dd2690a4f16ed6b3084c2467b227ba467b47a9d8f4511eb08afc688050c0dc6a31e8f77f05762afc0cbab640

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp624C.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp62E9.tmp

Filesize
1KB

MD5
0479d5f304ef2d7e3c15fb24a99f88c1

SHA1
8edbb1450a656fac5f5e96779ffe440ee8c1aec9

SHA256
112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

SHA512
537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ba5955d7623e85772677661a84a96cb0

SHA1
c39664abd30343a3814b8dc9ca0d114e5d0364f8

SHA256
d3162f3db6af073b15cea26ddd57adf7555799e8da788f3458f3160f3fc6e9bd

SHA512
a2405566b4c76900f56049b754352c867c53410d27cbc997935769c6fc817cc720bb69a61faf6e375cfb54d8d27b0b48ee87419c9df69bb2d23a79bd1005e57c

Download Submit
memory/1936-6-0x00000000052E0000-0x000000000535C000-memory.dmp

Filesize
496KB

Download
memory/1936-32-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1936-4-0x00000000042D0000-0x00000000042E0000-memory.dmp

Filesize
64KB

Download
memory/1936-3-0x0000000001FE0000-0x0000000001FFE000-memory.dmp

Filesize
120KB

Download
memory/1936-5-0x00000000042E0000-0x00000000042F6000-memory.dmp

Filesize
88KB

Download
memory/1936-1-0x0000000000390000-0x0000000000482000-memory.dmp

Filesize
968KB

Download
memory/1936-2-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2896-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-28-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-29-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-31-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2896-40-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/2896-41-0x00000000004F0000-0x00000000004FC000-memory.dmp

Filesize
48KB

Download
memory/2896-42-0x00000000006C0000-0x00000000006DE000-memory.dmp

Filesize
120KB

Download
memory/2896-43-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads