nanocore | b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a

Analysis

max time kernel
119s
max time network
154s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 21:01

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General

Target

5a42e2442b79943419bf0e39ad7be827.exe
Size

600KB
MD5

5a42e2442b79943419bf0e39ad7be827
SHA1

1a4a5d7594fbdfb3189915502a63c801a2180389
SHA256

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a
SHA512

f18e569b0fc487b77fbe55cb7beadfac99723d5ab0111d03e62bee1cb01db3b8bd6f97a050f95768f77f5eaddf78bf08f7f12ba4ffa52bd7e8e55a60bb4167ed
SSDEEP

12288:U9PcfpbzzGwWjZK2P5VQiYwhKrmXLZNa8pKp1wFqexdCZMxZ3Q:viDj7xVQi9hOmXowFTCZQtQ

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

2704 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:

5a42e2442b79943419bf0e39ad7be827.exe

description pid process target process

PID 3008 set thread context of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe
Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

description ioc process

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

2736 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

5a42e2442b79943419bf0e39ad7be827.exepowershell.exeMSBuild.exe

pid process

3008 5a42e2442b79943419bf0e39ad7be827.exe
3008 5a42e2442b79943419bf0e39ad7be827.exe
2704 powershell.exe
2836 MSBuild.exe
2836 MSBuild.exe
2836 MSBuild.exe
2836 MSBuild.exe
2836 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

2836 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5a42e2442b79943419bf0e39ad7be827.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3008 5a42e2442b79943419bf0e39ad7be827.exe
Token: SeDebugPrivilege 2704 powershell.exe
Token: SeDebugPrivilege 2836 MSBuild.exe

pid	process
2704	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 3008 set thread context of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe

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

pid	process
2736	schtasks.exe

pid	process
3008	5a42e2442b79943419bf0e39ad7be827.exe
3008	5a42e2442b79943419bf0e39ad7be827.exe
2704	powershell.exe
2836	MSBuild.exe
2836	MSBuild.exe
2836	MSBuild.exe
2836	MSBuild.exe
2836	MSBuild.exe

pid	process
2836	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3008	5a42e2442b79943419bf0e39ad7be827.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2836	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5a42e2442b79943419bf0e39ad7be827.exe

description	pid	process	target process
PID 3008 wrote to memory of 2704	3008	5a42e2442b79943419bf0e39ad7be827.exe	powershell.exe
PID 3008 wrote to memory of 2704	3008	5a42e2442b79943419bf0e39ad7be827.exe	powershell.exe
PID 3008 wrote to memory of 2704	3008	5a42e2442b79943419bf0e39ad7be827.exe	powershell.exe
PID 3008 wrote to memory of 2704	3008	5a42e2442b79943419bf0e39ad7be827.exe	powershell.exe
PID 3008 wrote to memory of 2736	3008	5a42e2442b79943419bf0e39ad7be827.exe	schtasks.exe
PID 3008 wrote to memory of 2736	3008	5a42e2442b79943419bf0e39ad7be827.exe	schtasks.exe
PID 3008 wrote to memory of 2736	3008	5a42e2442b79943419bf0e39ad7be827.exe	schtasks.exe
PID 3008 wrote to memory of 2736	3008	5a42e2442b79943419bf0e39ad7be827.exe	schtasks.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe
PID 3008 wrote to memory of 2836	3008	5a42e2442b79943419bf0e39ad7be827.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\5a42e2442b79943419bf0e39ad7be827.exe
"C:\Users\Admin\AppData\Local\Temp\5a42e2442b79943419bf0e39ad7be827.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zzTmYAoKh.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA728.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2736

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:2836

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA728.tmp
Filesize
1KB

MD5
ab91a7f6546ab5488b65a91b6a51ddbc

SHA1
b23ac43cb909bd21cf80aa5ea3df4c9b38f8568f

SHA256
2ce5765b9da7e8d747c9dca1954dbc9c41b6bfdd8e497770fe2186cb3082f4f5

SHA512
12d7201c336bd4eda673bb2ab66e82344a5ad80b7523c3786734a246506a753080357e4e701080e17cd99807888951665fe6914dde3adf4db94894f9822a04d3

Download Submit
memory/2836-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-44-0x0000000002100000-0x000000000210E000-memory.dmp

Filesize
56KB

Download
memory/2836-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-45-0x0000000002270000-0x000000000229E000-memory.dmp

Filesize
184KB

Download
memory/2836-43-0x00000000020B0000-0x00000000020C4000-memory.dmp

Filesize
80KB

Download
memory/2836-41-0x00000000008F0000-0x0000000000904000-memory.dmp

Filesize
80KB

Download
memory/2836-42-0x0000000000940000-0x0000000000950000-memory.dmp

Filesize
64KB

Download
memory/2836-38-0x00000000008C0000-0x00000000008D2000-memory.dmp

Filesize
72KB

Download
memory/2836-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2836-46-0x0000000002160000-0x0000000002174000-memory.dmp

Filesize
80KB

Download
memory/2836-39-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/2836-40-0x00000000008E0000-0x00000000008EE000-memory.dmp

Filesize
56KB

Download
memory/2836-30-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2836-31-0x00000000004C0000-0x00000000004DE000-memory.dmp

Filesize
120KB

Download
memory/2836-32-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2836-35-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/2836-36-0x0000000000810000-0x000000000082A000-memory.dmp

Filesize
104KB

Download
memory/2836-37-0x0000000000650000-0x000000000065E000-memory.dmp

Filesize
56KB

Download
memory/3008-7-0x0000000005290000-0x000000000530A000-memory.dmp

Filesize
488KB

Download
memory/3008-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-1-0x0000000000F50000-0x0000000000FEC000-memory.dmp

Filesize
624KB

Download
memory/3008-27-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-6-0x0000000000350000-0x000000000035C000-memory.dmp

Filesize
48KB

Download
memory/3008-5-0x0000000000340000-0x0000000000348000-memory.dmp

Filesize
32KB

Download
memory/3008-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3008-4-0x0000000000240000-0x0000000000252000-memory.dmp

Filesize
72KB

Download
memory/3008-3-0x0000000004880000-0x0000000004912000-memory.dmp

Filesize
584KB

Download