nanocore | 8802fb63419902bbd4f9679966f483c755f503b2f0a4345b59b1669a9c025a73

Analysis

max time kernel
134s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 02:40

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General

Target

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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

4704 powershell.exe

pid	process
4704	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.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 Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe" MSBuild.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe

description pid process target process

PID 1540 set thread context of 5036 1540 b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe MSBuild.exe
Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

description ioc process

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

3132 schtasks.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	MSBuild.exe

description	pid	process	target process
PID 1540 set thread context of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe

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

pid	process
3132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exepowershell.exeMSBuild.exe

pid	process
1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
4704	powershell.exe
4704	powershell.exe
1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
4704	powershell.exe
5036	MSBuild.exe
5036	MSBuild.exe
5036	MSBuild.exe
5036	MSBuild.exe
5036	MSBuild.exe
5036	MSBuild.exe
5036	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

5036 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1540 b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
Token: SeDebugPrivilege 4704 powershell.exe
Token: SeDebugPrivilege 5036 MSBuild.exe

pid	process
5036	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
Token: SeDebugPrivilege	4704	powershell.exe
Token: SeDebugPrivilege	5036	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe

description	pid	process	target process
PID 1540 wrote to memory of 4704	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 1540 wrote to memory of 4704	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 1540 wrote to memory of 4704	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 1540 wrote to memory of 3132	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 1540 wrote to memory of 3132	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 1540 wrote to memory of 3132	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 1540 wrote to memory of 5036	1540	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
"C:\Users\Admin\AppData\Local\Temp\b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

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:4704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp470.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:3132

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:5036

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4112,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
1⤵
PID:4940

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0cxclxgw.khd.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp470.tmp
Filesize
1KB

MD5
085ca02bb98c3ccf537f9125475f1683

SHA1
4c486dc32e74837c9708ff710ee3b646b5fcf58c

SHA256
302fe1fb61ce332fe558b99295fb51885d2cee8a8c06503c0316d46e5016b882

SHA512
4154e584f7f1d7cfe9d8eb8441531d09137621d6795273e8927223cc83b504b4f5e0139eafda0bcdf58f722ba4457610e605cc47fd0b7772fe9f29dd3a74c2d5

Download Submit
memory/1540-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/1540-1-0x0000000000830000-0x00000000008CC000-memory.dmp

Filesize
624KB

Download
memory/1540-2-0x0000000005970000-0x0000000005F14000-memory.dmp

Filesize
5.6MB

Download
memory/1540-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/1540-4-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/1540-5-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/1540-6-0x0000000005550000-0x00000000055EC000-memory.dmp

Filesize
624KB

Download
memory/1540-7-0x0000000006450000-0x000000000697C000-memory.dmp

Filesize
5.2MB

Download
memory/1540-8-0x0000000006FF0000-0x0000000007082000-memory.dmp

Filesize
584KB

Download
memory/1540-9-0x00000000056F0000-0x0000000005702000-memory.dmp

Filesize
72KB

Download
memory/1540-10-0x0000000005960000-0x0000000005968000-memory.dmp

Filesize
32KB

Download
memory/1540-11-0x0000000006430000-0x000000000643C000-memory.dmp

Filesize
48KB

Download
memory/1540-12-0x0000000006B90000-0x0000000006C0A000-memory.dmp

Filesize
488KB

Download
memory/1540-30-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4704-22-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4704-69-0x0000000007C50000-0x0000000007C58000-memory.dmp

Filesize
32KB

Download
memory/4704-19-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/4704-21-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4704-66-0x0000000007B60000-0x0000000007B6E000-memory.dmp

Filesize
56KB

Download
memory/4704-26-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/4704-25-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/4704-24-0x0000000005720000-0x0000000005742000-memory.dmp

Filesize
136KB

Download
memory/4704-29-0x0000000006010000-0x0000000006364000-memory.dmp

Filesize
3.3MB

Download
memory/4704-40-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/4704-41-0x0000000006B70000-0x0000000006BBC000-memory.dmp

Filesize
304KB

Download
memory/4704-72-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4704-17-0x0000000005040000-0x0000000005076000-memory.dmp

Filesize
216KB

Download
memory/4704-20-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4704-68-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/4704-67-0x0000000007B70000-0x0000000007B84000-memory.dmp

Filesize
80KB

Download
memory/4704-47-0x0000000007800000-0x0000000007832000-memory.dmp

Filesize
200KB

Download
memory/4704-48-0x00000000755B0000-0x00000000755FC000-memory.dmp

Filesize
304KB

Download
memory/4704-58-0x0000000006B40000-0x0000000006B5E000-memory.dmp

Filesize
120KB

Download
memory/4704-59-0x0000000007840000-0x00000000078E3000-memory.dmp

Filesize
652KB

Download
memory/4704-61-0x0000000007F70000-0x00000000085EA000-memory.dmp

Filesize
6.5MB

Download
memory/4704-62-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/4704-63-0x00000000079A0000-0x00000000079AA000-memory.dmp

Filesize
40KB

Download
memory/4704-64-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/4704-65-0x0000000007B30000-0x0000000007B41000-memory.dmp

Filesize
68KB

Download
memory/5036-28-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-46-0x0000000005F20000-0x0000000005F2A000-memory.dmp

Filesize
40KB

Download
memory/5036-45-0x0000000005410000-0x000000000542E000-memory.dmp

Filesize
120KB

Download
memory/5036-44-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/5036-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5036-85-0x0000000006AD0000-0x0000000006AE4000-memory.dmp

Filesize
80KB

Download
memory/5036-84-0x0000000006AA0000-0x0000000006ACE000-memory.dmp

Filesize
184KB

Download
memory/5036-83-0x0000000006A90000-0x0000000006A9E000-memory.dmp

Filesize
56KB

Download
memory/5036-82-0x0000000006A70000-0x0000000006A84000-memory.dmp

Filesize
80KB

Download
memory/5036-81-0x0000000006A50000-0x0000000006A60000-memory.dmp

Filesize
64KB

Download
memory/5036-80-0x0000000006A40000-0x0000000006A54000-memory.dmp

Filesize
80KB

Download
memory/5036-79-0x0000000006A30000-0x0000000006A3E000-memory.dmp

Filesize
56KB

Download
memory/5036-78-0x0000000006A20000-0x0000000006A2C000-memory.dmp

Filesize
48KB

Download
memory/5036-77-0x0000000006A10000-0x0000000006A22000-memory.dmp

Filesize
72KB

Download
memory/5036-76-0x0000000006A00000-0x0000000006A0E000-memory.dmp

Filesize
56KB

Download
memory/5036-75-0x00000000069D0000-0x00000000069EA000-memory.dmp

Filesize
104KB

Download
memory/5036-74-0x00000000069C0000-0x00000000069D2000-memory.dmp

Filesize
72KB

Download
memory/5036-87-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download