nanocore | 3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568

General

Target

3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
Size

593KB
MD5

18d78dbc4fbda0d58ccae4aa8840e560
SHA1

2951d8f45b9e1342beab4c8674bcce5672da1558
SHA256

3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568
SHA512

2f8693e91b398e07998a6645f4790a9b61d1f75ebd07eb8d16cca7598594cf109bf535fb693d61bbc713237cfb2132285674e2cb8d73cde3a11a9249887e6f0b
SSDEEP

12288:NHiwc0mNSj83IvhRNi/XAOtqkLmximdS8Irlmo5+Vh7kPzft7:NCwcSj8YvhRoAOAkLx4O+V9Sl

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

l3g3nd.sytes.net:3132

127.0.0.1:3132

Mutex

84ab735e-1aa1-40a6-9462-ae2224636060

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-06-28T14:22:27.694177336Z
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
3132
default_group
l3g3nd
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
84ab735e-1aa1-40a6-9462-ae2224636060
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
l3g3nd.sytes.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

pid	Process
2728	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Manager = "C:\\Program Files (x86)\\PCI Manager\\pcimgr.exe"	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Manager\pcimgr.exe	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
File opened for modification	C:\Program Files (x86)\PCI Manager\pcimgr.exe	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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

pid	Process
2572	schtasks.exe
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2728	powershell.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2728	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	30
PID 1504 wrote to memory of 2728	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	30
PID 1504 wrote to memory of 2728	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	30
PID 1504 wrote to memory of 2728	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	30
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 1504 wrote to memory of 2812	1504	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	32
PID 2812 wrote to memory of 2572	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	33
PID 2812 wrote to memory of 2572	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	33
PID 2812 wrote to memory of 2572	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	33
PID 2812 wrote to memory of 2572	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	33
PID 2812 wrote to memory of 2640	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	35
PID 2812 wrote to memory of 2640	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	35
PID 2812 wrote to memory of 2640	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	35
PID 2812 wrote to memory of 2640	2812	3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe	35

C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
"C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- 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\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
  "C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3ACF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2572
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3B1E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2640

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\tmp3ACF.tmp

Filesize
1KB

MD5
3d8e21107a646bc342a890b3a8bccaae

SHA1
be2265f9bc3119e4d4d54060a890776f973069e0

SHA256
4090774b9844063e1a5dd4d710bfa3038ab0bd8ec80846e817a3956d17abeae5

SHA512
fbc564e6ec042c41babed36d90ca8c51ed8d47eb746605584830ec94809b733a39a9c09959e7acedc66d52f88d392206c0da723bae0045a79e07627532853e84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3B1E.tmp

Filesize
1KB

MD5
da7aec92f4b1e721f6eeccec52db4901

SHA1
e1bc32c2277c42aec2356f6242ee427af53c2a52

SHA256
7bcfd205f07bffa61c788644c1d6639d03126c46fdbd6550f7e21795dc78b3c0

SHA512
340e234cdfb1b327369378131629f0ff5538c6a1c578c59bfc1b66442ff3f5793f119db13b8d3f158969071eb0fc0c7fbe5c79094572fac0cea528489bf11720

Download Submit
memory/1504-23-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1504-1-0x0000000000EE0000-0x0000000000F7A000-memory.dmp

Filesize
616KB

Download
memory/1504-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1504-3-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/1504-4-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/1504-5-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1504-6-0x0000000004DF0000-0x0000000004E6A000-memory.dmp

Filesize
488KB

Download
memory/1504-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2812-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-39-0x0000000000BC0000-0x0000000000BDA000-memory.dmp

Filesize
104KB

Download
memory/2812-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-22-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-33-0x0000000000640000-0x000000000064A000-memory.dmp

Filesize
40KB

Download
memory/2812-34-0x00000000006A0000-0x00000000006BE000-memory.dmp

Filesize
120KB

Download
memory/2812-35-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/2812-38-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/2812-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-40-0x0000000000CB0000-0x0000000000CBE000-memory.dmp

Filesize
56KB

Download
memory/2812-41-0x0000000000CD0000-0x0000000000CE2000-memory.dmp

Filesize
72KB

Download
memory/2812-42-0x0000000000CE0000-0x0000000000CEE000-memory.dmp

Filesize
56KB

Download
memory/2812-43-0x0000000000CF0000-0x0000000000CFC000-memory.dmp

Filesize
48KB

Download
memory/2812-44-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/2812-45-0x0000000000D50000-0x0000000000D60000-memory.dmp

Filesize
64KB

Download
memory/2812-46-0x0000000000D60000-0x0000000000D74000-memory.dmp

Filesize
80KB

Download
memory/2812-47-0x0000000000D70000-0x0000000000D7E000-memory.dmp

Filesize
56KB

Download
memory/2812-48-0x0000000004880000-0x00000000048AE000-memory.dmp

Filesize
184KB

Download
memory/2812-49-0x0000000000E90000-0x0000000000EA4000-memory.dmp

Filesize
80KB

Download
memory/2812-51-0x0000000074940000-0x000000007502E000-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