nanocore | a3b66fd528f2728fad40ab4eb46c8f1fba303b2c3ca54088fff6223da96c483d

Analysis

max time kernel
120s
max time network
154s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 02:26

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General

Target

691F6CB0459F268016AD101CF6158DFF.exe
Size

931KB
MD5

691f6cb0459f268016ad101cf6158dff
SHA1

da86d59a096e32846efb61b1ce55d1a5dbb1cb02
SHA256

a3b66fd528f2728fad40ab4eb46c8f1fba303b2c3ca54088fff6223da96c483d
SHA512

a09174c91dfc3ba00b792aed4b0b8eb4e5244d6590a71cdf81a884634ce124b85003a49aa7bd5cc0784a993c9b0c8d00f9bef614b3dcda8faf57dd65b4e2635e
SSDEEP

24576:m8xWi7p5e9XwX6n+aV6b/XOyc2JfWz13jO:m0WiDOgXc+aVqCj

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

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

2632 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\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" MSBuild.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

691F6CB0459F268016AD101CF6158DFF.exe

description pid process target process

PID 2072 set thread context of 2856 2072 691F6CB0459F268016AD101CF6158DFF.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)\DDP Service\ddpsv.exe MSBuild.exe
File created C:\Program Files (x86)\DDP Service\ddpsv.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2608 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

691F6CB0459F268016AD101CF6158DFF.exepowershell.exeMSBuild.exe

pid process

2072 691F6CB0459F268016AD101CF6158DFF.exe
2072 691F6CB0459F268016AD101CF6158DFF.exe
2632 powershell.exe
2856 MSBuild.exe
2856 MSBuild.exe
2856 MSBuild.exe
2856 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

2856 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

691F6CB0459F268016AD101CF6158DFF.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 2072 691F6CB0459F268016AD101CF6158DFF.exe
Token: SeDebugPrivilege 2632 powershell.exe
Token: SeDebugPrivilege 2856 MSBuild.exe

pid	process
2632	powershell.exe

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

description	pid	process	target process
PID 2072 set thread context of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	MSBuild.exe
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	MSBuild.exe

pid	process
2608	schtasks.exe

pid	process
2072	691F6CB0459F268016AD101CF6158DFF.exe
2072	691F6CB0459F268016AD101CF6158DFF.exe
2632	powershell.exe
2856	MSBuild.exe
2856	MSBuild.exe
2856	MSBuild.exe
2856	MSBuild.exe

pid	process
2856	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2072	691F6CB0459F268016AD101CF6158DFF.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2856	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

691F6CB0459F268016AD101CF6158DFF.exe

description	pid	process	target process
PID 2072 wrote to memory of 2632	2072	691F6CB0459F268016AD101CF6158DFF.exe	powershell.exe
PID 2072 wrote to memory of 2632	2072	691F6CB0459F268016AD101CF6158DFF.exe	powershell.exe
PID 2072 wrote to memory of 2632	2072	691F6CB0459F268016AD101CF6158DFF.exe	powershell.exe
PID 2072 wrote to memory of 2632	2072	691F6CB0459F268016AD101CF6158DFF.exe	powershell.exe
PID 2072 wrote to memory of 2608	2072	691F6CB0459F268016AD101CF6158DFF.exe	schtasks.exe
PID 2072 wrote to memory of 2608	2072	691F6CB0459F268016AD101CF6158DFF.exe	schtasks.exe
PID 2072 wrote to memory of 2608	2072	691F6CB0459F268016AD101CF6158DFF.exe	schtasks.exe
PID 2072 wrote to memory of 2608	2072	691F6CB0459F268016AD101CF6158DFF.exe	schtasks.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe
PID 2072 wrote to memory of 2856	2072	691F6CB0459F268016AD101CF6158DFF.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\691F6CB0459F268016AD101CF6158DFF.exe
"C:\Users\Admin\AppData\Local\Temp\691F6CB0459F268016AD101CF6158DFF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mmkGgxmHZUo.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2632

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mmkGgxmHZUo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2608

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:2856

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp
Filesize
1KB

MD5
6da171aa1b6371e61537cfed0ccecdb3

SHA1
e095410e92bd6dbfd066795ae296bcd562fe11cb

SHA256
8577c4f39cca21a6f792955790764c13b90b8f2a9be7f4cdf56eb88bbc206f59

SHA512
5cb8dca5fc4fbc87bac3c634510ff09e5bf88b103c9222fb910ac60fe5397292d6fb3c295ce58777e11afbb254c77baafbd09b5a7c1cbd05fb6c56ec54ada0c6

Download Submit
memory/2072-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000000EB0000-0x0000000000FA0000-memory.dmp

Filesize
960KB

Download
memory/2072-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2072-3-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/2072-4-0x0000000000660000-0x0000000000668000-memory.dmp

Filesize
32KB

Download
memory/2072-5-0x0000000000A50000-0x0000000000A5C000-memory.dmp

Filesize
48KB

Download
memory/2072-6-0x00000000053B0000-0x000000000543A000-memory.dmp

Filesize
552KB

Download
memory/2072-7-0x0000000005740000-0x00000000057BA000-memory.dmp

Filesize
488KB

Download
memory/2072-27-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-35-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2856-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-30-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/2856-31-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/2856-32-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2856-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-36-0x00000000005A0000-0x00000000005BA000-memory.dmp

Filesize
104KB

Download
memory/2856-37-0x00000000005D0000-0x00000000005DE000-memory.dmp

Filesize
56KB

Download
memory/2856-38-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/2856-39-0x0000000000610000-0x000000000061C000-memory.dmp

Filesize
48KB

Download
memory/2856-40-0x0000000000620000-0x000000000062E000-memory.dmp

Filesize
56KB

Download
memory/2856-42-0x00000000006C0000-0x00000000006D0000-memory.dmp

Filesize
64KB

Download
memory/2856-41-0x00000000006B0000-0x00000000006C4000-memory.dmp

Filesize
80KB

Download
memory/2856-43-0x0000000000710000-0x0000000000724000-memory.dmp

Filesize
80KB

Download
memory/2856-44-0x00000000007B0000-0x00000000007BE000-memory.dmp

Filesize
56KB

Download
memory/2856-45-0x0000000000820000-0x000000000084E000-memory.dmp

Filesize
184KB

Download
memory/2856-46-0x00000000007D0000-0x00000000007E4000-memory.dmp

Filesize
80KB

Download