nanocore | c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2

General

Target

Um9L61WgOApLFKJ.exe
Size

607KB
MD5

3f6058dbb64084df7f3da0a1cb23a872
SHA1

632554f2fcc9074d8a243de7c420c5663efb956c
SHA256

c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2
SHA512

a685084608abe12faef64ce719a16688d7a7ce5b81c7a2f0a698fed892b11d4a9e3686b1de64ab3a0ca10bddcfe78b9afcfd76a9fd44768864d7c4c45de7d821
SSDEEP

12288:ypQS6Mb6fyFHdFWdRshjwHYiYaQaupo8AZzDNFyYpWqpQQ:yfjb6+DqCjjiDuqNZzDNFyYA0QQ

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

7c49fc8b-b4e3-4ea2-a895-eda0223cb79d

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-11T09:55:17.304143036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6110
default_group
M3M3
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
7c49fc8b-b4e3-4ea2-a895-eda0223cb79d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blv23728.ddns.net
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
1780	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Um9L61WgOApLFKJ.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.exe"	Um9L61WgOApLFKJ.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Um9L61WgOApLFKJ.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Um9L61WgOApLFKJ.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Um9L61WgOApLFKJ.exe

description	pid	Process	procid_target
PID 2872 set thread context of 2640	2872	Um9L61WgOApLFKJ.exe	31

Drops file in Program Files directory 2 IoCs

Processes:

Um9L61WgOApLFKJ.exe

description	ioc	Process
File created	C:\Program Files (x86)\WPA Service\wpasv.exe	Um9L61WgOApLFKJ.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasv.exe	Um9L61WgOApLFKJ.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Um9L61WgOApLFKJ.exeUm9L61WgOApLFKJ.exepowershell.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Um9L61WgOApLFKJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Um9L61WgOApLFKJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exe

pid	Process
1820	schtasks.exe
2996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Um9L61WgOApLFKJ.exepowershell.exe

pid	Process
2640	Um9L61WgOApLFKJ.exe
2640	Um9L61WgOApLFKJ.exe
2640	Um9L61WgOApLFKJ.exe
1780	powershell.exe
2640	Um9L61WgOApLFKJ.exe
2640	Um9L61WgOApLFKJ.exe
2640	Um9L61WgOApLFKJ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Um9L61WgOApLFKJ.exe

pid	Process
2640	Um9L61WgOApLFKJ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Um9L61WgOApLFKJ.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2640	Um9L61WgOApLFKJ.exe
Token: SeDebugPrivilege	1780	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Um9L61WgOApLFKJ.exeUm9L61WgOApLFKJ.exe

description	pid	Process	procid_target
PID 2872 wrote to memory of 1780	2872	Um9L61WgOApLFKJ.exe	30
PID 2872 wrote to memory of 1780	2872	Um9L61WgOApLFKJ.exe	30
PID 2872 wrote to memory of 1780	2872	Um9L61WgOApLFKJ.exe	30
PID 2872 wrote to memory of 1780	2872	Um9L61WgOApLFKJ.exe	30
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2872 wrote to memory of 2640	2872	Um9L61WgOApLFKJ.exe	31
PID 2640 wrote to memory of 1820	2640	Um9L61WgOApLFKJ.exe	33
PID 2640 wrote to memory of 1820	2640	Um9L61WgOApLFKJ.exe	33
PID 2640 wrote to memory of 1820	2640	Um9L61WgOApLFKJ.exe	33
PID 2640 wrote to memory of 1820	2640	Um9L61WgOApLFKJ.exe	33
PID 2640 wrote to memory of 2996	2640	Um9L61WgOApLFKJ.exe	35
PID 2640 wrote to memory of 2996	2640	Um9L61WgOApLFKJ.exe	35
PID 2640 wrote to memory of 2996	2640	Um9L61WgOApLFKJ.exe	35
PID 2640 wrote to memory of 2996	2640	Um9L61WgOApLFKJ.exe	35

C:\Users\Admin\AppData\Local\Temp\Um9L61WgOApLFKJ.exe
"C:\Users\Admin\AppData\Local\Temp\Um9L61WgOApLFKJ.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Um9L61WgOApLFKJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\Um9L61WgOApLFKJ.exe
  "C:\Users\Admin\AppData\Local\Temp\Um9L61WgOApLFKJ.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC497.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1820
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC5EF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC497.tmp

Filesize
1KB

MD5
4eceb6aafbdfc8863be9e815bdbe080a

SHA1
469c063b26a31d1513ce6cb84f62a285e82499fb

SHA256
220b9a9d9ac6ec7dc907a1ed502ab841d183672e01e7ff60e7600442a7c4d222

SHA512
f40426241bcca79210f9468c5309056cea521121a52c8fcc771b89de470bb909195e1357717c3cbc7425868bf7a4b30e74e4c7255526f4f0c8d2880f30ade40e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC5EF.tmp

Filesize
1KB

MD5
21de6c3a6440d917bdbb4b491191d9b2

SHA1
c63c300affe7147910dc4544d2d5f3029bf321a6

SHA256
23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4

SHA512
dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f

Download Submit
memory/2640-40-0x0000000000AC0000-0x0000000000ADA000-memory.dmp

Filesize
104KB

Download
memory/2640-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-51-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-50-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-48-0x0000000004300000-0x0000000004314000-memory.dmp

Filesize
80KB

Download
memory/2640-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-47-0x00000000046E0000-0x000000000470E000-memory.dmp

Filesize
184KB

Download
memory/2640-22-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-34-0x0000000000980000-0x000000000098A000-memory.dmp

Filesize
40KB

Download
memory/2640-46-0x0000000004260000-0x000000000426E000-memory.dmp

Filesize
56KB

Download
memory/2640-24-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2640-45-0x0000000004250000-0x0000000004264000-memory.dmp

Filesize
80KB

Download
memory/2640-44-0x0000000004200000-0x0000000004210000-memory.dmp

Filesize
64KB

Download
memory/2640-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-35-0x0000000000990000-0x00000000009AE000-memory.dmp

Filesize
120KB

Download
memory/2640-36-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/2640-39-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/2640-43-0x00000000041B0000-0x00000000041C4000-memory.dmp

Filesize
80KB

Download
memory/2640-41-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

Filesize
56KB

Download
memory/2640-42-0x0000000000D00000-0x0000000000D12000-memory.dmp

Filesize
72KB

Download
memory/2872-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2872-3-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2872-5-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/2872-23-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-1-0x0000000000D10000-0x0000000000DAE000-memory.dmp

Filesize
632KB

Download
memory/2872-6-0x0000000007E70000-0x0000000007EEA000-memory.dmp

Filesize
488KB

Download
memory/2872-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-4-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads