nanocore | 1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00

General

Target

14239732dbddfe922c297fdeac56a062.exe
Size

626KB
MD5

14239732dbddfe922c297fdeac56a062
SHA1

3f4f6454c4a2c1c5d1e10d5f841ce14eef00a785
SHA256

1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00
SHA512

87125027fe82df355f6461e540afbedc68372ff2b29ee1531d3c6f42144d993ee044b68488c8b0144cecd6c74cbd964f5445fee19954167e2301ff19e9e3e628
SSDEEP

12288:glYifTsdxUde52iuVHaARloUgtGuFxmwk2BUY0Yk/a7LG1N7DpA:PiYd5uVHaAlhgtfvBUYuqLG1JDW

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newsddawork.3utilities.com:1620

maxlogs.webhop.me:1620

Mutex

1fa46b72-10f9-4da3-bc15-84dde165706d

Attributes

activate_away_mode
true
backup_connection_host
maxlogs.webhop.me
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-02-17T03:41:10.727034736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1620
default_group
NewBin
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
1fa46b72-10f9-4da3-bc15-84dde165706d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newsddawork.3utilities.com
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
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2596 powershell.exe

pid	process
2596	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

14239732dbddfe922c297fdeac56a062.exe

description pid process target process

PID 2328 set thread context of 2428 2328 14239732dbddfe922c297fdeac56a062.exe MSBuild.exe

description	pid	process	target process
PID 2328 set thread context of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe

Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NAS Host\nashost.exe	MSBuild.exe
File created	C:\Program Files (x86)\NAS Host\nashost.exe	MSBuild.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2272 schtasks.exe

pid	process
2272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

14239732dbddfe922c297fdeac56a062.exepowershell.exeMSBuild.exe

pid	process
2328	14239732dbddfe922c297fdeac56a062.exe
2328	14239732dbddfe922c297fdeac56a062.exe
2596	powershell.exe
2428	MSBuild.exe
2428	MSBuild.exe
2428	MSBuild.exe
2428	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

2428 MSBuild.exe

pid	process
2428	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

14239732dbddfe922c297fdeac56a062.exepowershell.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2328	14239732dbddfe922c297fdeac56a062.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2428	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

14239732dbddfe922c297fdeac56a062.exe

description	pid	process	target process
PID 2328 wrote to memory of 2596	2328	14239732dbddfe922c297fdeac56a062.exe	powershell.exe
PID 2328 wrote to memory of 2596	2328	14239732dbddfe922c297fdeac56a062.exe	powershell.exe
PID 2328 wrote to memory of 2596	2328	14239732dbddfe922c297fdeac56a062.exe	powershell.exe
PID 2328 wrote to memory of 2596	2328	14239732dbddfe922c297fdeac56a062.exe	powershell.exe
PID 2328 wrote to memory of 2272	2328	14239732dbddfe922c297fdeac56a062.exe	schtasks.exe
PID 2328 wrote to memory of 2272	2328	14239732dbddfe922c297fdeac56a062.exe	schtasks.exe
PID 2328 wrote to memory of 2272	2328	14239732dbddfe922c297fdeac56a062.exe	schtasks.exe
PID 2328 wrote to memory of 2272	2328	14239732dbddfe922c297fdeac56a062.exe	schtasks.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe
PID 2328 wrote to memory of 2428	2328	14239732dbddfe922c297fdeac56a062.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\14239732dbddfe922c297fdeac56a062.exe
"C:\Users\Admin\AppData\Local\Temp\14239732dbddfe922c297fdeac56a062.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dgKDUvhlvCiVpa.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dgKDUvhlvCiVpa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54F3.tmp"
2⤵
- Creates scheduled task(s)
PID:2272

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2428

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp54F3.tmp
Filesize
1KB

MD5
2244bb406a3b9801a42c925894edfba7

SHA1
2d85db0176cedc9c4cb89509d4938a8f4ed9aa29

SHA256
2658001e6bf82a58188a2024bb09496c7c0ce66d11717d26bdec5fb02ee8c643

SHA512
c5c75db8ffd1a61a3a87c7f3a67bef1431ce846c9d96c3d511dd18405b8c4fac254fcd3f6a056ded7bd097711834fb1dd03dc70f0aeeb78d0048e7f4fa66dcde

Download Submit
memory/2328-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000000CF0000-0x0000000000D92000-memory.dmp

Filesize
648KB

Download
memory/2328-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x00000000008B0000-0x00000000008CA000-memory.dmp

Filesize
104KB

Download
memory/2328-4-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download
memory/2328-5-0x00000000046C0000-0x000000000473A000-memory.dmp

Filesize
488KB

Download
memory/2328-25-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2428-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-33-0x0000000000700000-0x0000000000712000-memory.dmp

Filesize
72KB

Download
memory/2428-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-28-0x0000000000620000-0x000000000062A000-memory.dmp

Filesize
40KB

Download
memory/2428-29-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/2428-30-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/2428-21-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-34-0x0000000000C00000-0x0000000000C1A000-memory.dmp

Filesize
104KB

Download
memory/2428-35-0x0000000000A50000-0x0000000000A5E000-memory.dmp

Filesize
56KB

Download
memory/2428-38-0x0000000000C90000-0x0000000000C9E000-memory.dmp

Filesize
56KB

Download
memory/2428-37-0x0000000000C80000-0x0000000000C8C000-memory.dmp

Filesize
48KB

Download
memory/2428-36-0x0000000000C30000-0x0000000000C42000-memory.dmp

Filesize
72KB

Download
memory/2428-39-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/2428-40-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

Filesize
64KB

Download
memory/2428-41-0x0000000000CC0000-0x0000000000CD4000-memory.dmp

Filesize
80KB

Download
memory/2428-42-0x0000000000D10000-0x0000000000D1E000-memory.dmp

Filesize
56KB

Download
memory/2428-44-0x00000000043C0000-0x00000000043D4000-memory.dmp

Filesize
80KB

Download
memory/2428-43-0x0000000000D70000-0x0000000000D9E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads