nanocore | b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 01:44

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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

1680 powershell.exe

pid	process
1680	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-1-5-21-2804150937-2146708401-419095071-1000\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 Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe" MSBuild.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe

description pid process target process

PID 3996 set thread context of 3864 3996 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 Host\ddphost.exe MSBuild.exe
File opened for modification C:\Program Files (x86)\DDP Host\ddphost.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

4888 schtasks.exe

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

description	pid	process	target process
PID 3996 set thread context of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe

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

pid	process
4888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exepowershell.exeMSBuild.exe

pid	process
3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
1680	powershell.exe
3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
1680	powershell.exe
3864	MSBuild.exe
3864	MSBuild.exe
3864	MSBuild.exe
3864	MSBuild.exe
3864	MSBuild.exe
3864	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

3864 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exepowershell.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3996 b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
Token: SeDebugPrivilege 1680 powershell.exe
Token: SeDebugPrivilege 3864 MSBuild.exe

pid	process
3864	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe
Token: SeDebugPrivilege	1680	powershell.exe
Token: SeDebugPrivilege	3864	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe

description	pid	process	target process
PID 3996 wrote to memory of 1680	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 3996 wrote to memory of 1680	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 3996 wrote to memory of 1680	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	powershell.exe
PID 3996 wrote to memory of 4888	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 3996 wrote to memory of 4888	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 3996 wrote to memory of 4888	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	schtasks.exe
PID 3996 wrote to memory of 2588	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 2588	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 2588	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a.exe	MSBuild.exe
PID 3996 wrote to memory of 3864	3996	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:3996

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:1680

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:4888

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:2588

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:3864

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b134dmog.yic.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp
Filesize
1KB

MD5
2da3e5412b713fdb39d960e347e1e184

SHA1
ef4d202c08f273e7e97143c6acd4552a724307da

SHA256
798024c54e1d5aaed4c077326388444e5ae153422cffe1b6424ad7aa84386713

SHA512
2bebb2f1d5f7ce2d3787b9faccb14bc9dc7ba4350466475a0ba09e67fa680d09f5dce29336815ee8a64fa1975d9fc3c67fdbfa120f2729d1e71fa16987f9fc84

Download Submit
memory/1680-41-0x0000000006650000-0x000000000669C000-memory.dmp

Filesize
304KB

Download
memory/1680-40-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/1680-21-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1680-85-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1680-20-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1680-69-0x0000000007C10000-0x0000000007C18000-memory.dmp

Filesize
32KB

Download
memory/1680-68-0x0000000007C30000-0x0000000007C4A000-memory.dmp

Filesize
104KB

Download
memory/1680-67-0x0000000007B30000-0x0000000007B44000-memory.dmp

Filesize
80KB

Download
memory/1680-66-0x0000000007B20000-0x0000000007B2E000-memory.dmp

Filesize
56KB

Download
memory/1680-65-0x0000000007AF0000-0x0000000007B01000-memory.dmp

Filesize
68KB

Download
memory/1680-64-0x0000000007B70000-0x0000000007C06000-memory.dmp

Filesize
600KB

Download
memory/1680-19-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/1680-25-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/1680-24-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/1680-63-0x0000000007960000-0x000000000796A000-memory.dmp

Filesize
40KB

Download
memory/1680-18-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1680-32-0x0000000006030000-0x0000000006384000-memory.dmp

Filesize
3.3MB

Download
memory/1680-62-0x00000000078F0000-0x000000000790A000-memory.dmp

Filesize
104KB

Download
memory/1680-23-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/1680-48-0x0000000006B80000-0x0000000006BB2000-memory.dmp

Filesize
200KB

Download
memory/1680-61-0x0000000007F30000-0x00000000085AA000-memory.dmp

Filesize
6.5MB

Download
memory/1680-60-0x00000000075C0000-0x0000000007663000-memory.dmp

Filesize
652KB

Download
memory/1680-59-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

Filesize
120KB

Download
memory/1680-49-0x0000000075890000-0x00000000758DC000-memory.dmp

Filesize
304KB

Download
memory/1680-17-0x0000000002C90000-0x0000000002CC6000-memory.dmp

Filesize
216KB

Download
memory/3864-71-0x0000000005DD0000-0x0000000005DE2000-memory.dmp

Filesize
72KB

Download
memory/3864-77-0x00000000066B0000-0x00000000066C4000-memory.dmp

Filesize
80KB

Download
memory/3864-45-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

Filesize
120KB

Download
memory/3864-46-0x0000000005EE0000-0x0000000005EEA000-memory.dmp

Filesize
40KB

Download
memory/3864-87-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3864-73-0x0000000006670000-0x000000000667E000-memory.dmp

Filesize
56KB

Download
memory/3864-74-0x0000000006680000-0x0000000006692000-memory.dmp

Filesize
72KB

Download
memory/3864-75-0x0000000006690000-0x000000000669C000-memory.dmp

Filesize
48KB

Download
memory/3864-76-0x00000000066A0000-0x00000000066AE000-memory.dmp

Filesize
56KB

Download
memory/3864-72-0x0000000006640000-0x000000000665A000-memory.dmp

Filesize
104KB

Download
memory/3864-38-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3864-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3864-79-0x00000000066E0000-0x00000000066F4000-memory.dmp

Filesize
80KB

Download
memory/3864-80-0x0000000006700000-0x000000000670E000-memory.dmp

Filesize
56KB

Download
memory/3864-81-0x0000000006710000-0x000000000673E000-memory.dmp

Filesize
184KB

Download
memory/3864-82-0x0000000006750000-0x0000000006764000-memory.dmp

Filesize
80KB

Download
memory/3864-44-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/3864-78-0x00000000066C0000-0x00000000066D0000-memory.dmp

Filesize
64KB

Download
memory/3996-10-0x0000000006940000-0x0000000006948000-memory.dmp

Filesize
32KB

Download
memory/3996-1-0x0000000000E80000-0x0000000000F1C000-memory.dmp

Filesize
624KB

Download
memory/3996-2-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/3996-4-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/3996-6-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3996-5-0x0000000005C10000-0x0000000005CAC000-memory.dmp

Filesize
624KB

Download
memory/3996-7-0x0000000006960000-0x0000000006E8C000-memory.dmp

Filesize
5.2MB

Download
memory/3996-9-0x0000000006610000-0x0000000006622000-memory.dmp

Filesize
72KB

Download
memory/3996-39-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3996-11-0x00000000077F0000-0x00000000077FC000-memory.dmp

Filesize
48KB

Download
memory/3996-12-0x0000000007820000-0x000000000789A000-memory.dmp

Filesize
488KB

Download
memory/3996-8-0x0000000007620000-0x00000000076B2000-memory.dmp

Filesize
584KB

Download
memory/3996-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/3996-3-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download