nanocore | 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf

General

Target

76839e674adbc02d2acf25a4fdde1039.exe
Size

655KB
MD5

76839e674adbc02d2acf25a4fdde1039
SHA1

f5f977c2d069d41f45c2a138ef837228a929214f
SHA256

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf
SHA512

55b7bbf5dda6dbe5b81f4fa0e131883ecd11c5db18c4b3c80d3af2b3ea078b991466496a906f1deb7f5178144a7133c48b58680d11658d2e3feefc0fa36fe043
SSDEEP

12288:WnCrahC2unU+ihE6d7YLQwX3796XDIXXcEre7mPKOjewUnB3GmEq:TahQU+4dmQan5re7myqewUVNE

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
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
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
476	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Manager = "C:\\Program Files (x86)\\PCI Manager\\pcimgr.exe"	76839e674adbc02d2acf25a4fdde1039.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process	procid_target
PID 2412 set thread context of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34

Drops file in Program Files directory 2 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
File created	C:\Program Files (x86)\PCI Manager\pcimgr.exe	76839e674adbc02d2acf25a4fdde1039.exe
File opened for modification	C:\Program Files (x86)\PCI Manager\pcimgr.exe	76839e674adbc02d2acf25a4fdde1039.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:

76839e674adbc02d2acf25a4fdde1039.exeschtasks.exeschtasks.exe76839e674adbc02d2acf25a4fdde1039.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76839e674adbc02d2acf25a4fdde1039.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	76839e674adbc02d2acf25a4fdde1039.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2916	schtasks.exe
2576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exepowershell.exe76839e674adbc02d2acf25a4fdde1039.exe

pid	Process
2412	76839e674adbc02d2acf25a4fdde1039.exe
2412	76839e674adbc02d2acf25a4fdde1039.exe
476	powershell.exe
2480	76839e674adbc02d2acf25a4fdde1039.exe
2480	76839e674adbc02d2acf25a4fdde1039.exe
2480	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

pid	Process
2480	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exepowershell.exe76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process
Token: SeDebugPrivilege	2412	76839e674adbc02d2acf25a4fdde1039.exe
Token: SeDebugPrivilege	476	powershell.exe
Token: SeDebugPrivilege	2480	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process	procid_target
PID 2412 wrote to memory of 476	2412	76839e674adbc02d2acf25a4fdde1039.exe	31
PID 2412 wrote to memory of 476	2412	76839e674adbc02d2acf25a4fdde1039.exe	31
PID 2412 wrote to memory of 476	2412	76839e674adbc02d2acf25a4fdde1039.exe	31
PID 2412 wrote to memory of 476	2412	76839e674adbc02d2acf25a4fdde1039.exe	31
PID 2412 wrote to memory of 2388	2412	76839e674adbc02d2acf25a4fdde1039.exe	33
PID 2412 wrote to memory of 2388	2412	76839e674adbc02d2acf25a4fdde1039.exe	33
PID 2412 wrote to memory of 2388	2412	76839e674adbc02d2acf25a4fdde1039.exe	33
PID 2412 wrote to memory of 2388	2412	76839e674adbc02d2acf25a4fdde1039.exe	33
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2412 wrote to memory of 2480	2412	76839e674adbc02d2acf25a4fdde1039.exe	34
PID 2480 wrote to memory of 2916	2480	76839e674adbc02d2acf25a4fdde1039.exe	35
PID 2480 wrote to memory of 2916	2480	76839e674adbc02d2acf25a4fdde1039.exe	35
PID 2480 wrote to memory of 2916	2480	76839e674adbc02d2acf25a4fdde1039.exe	35
PID 2480 wrote to memory of 2916	2480	76839e674adbc02d2acf25a4fdde1039.exe	35
PID 2480 wrote to memory of 2576	2480	76839e674adbc02d2acf25a4fdde1039.exe	37
PID 2480 wrote to memory of 2576	2480	76839e674adbc02d2acf25a4fdde1039.exe	37
PID 2480 wrote to memory of 2576	2480	76839e674adbc02d2acf25a4fdde1039.exe	37
PID 2480 wrote to memory of 2576	2480	76839e674adbc02d2acf25a4fdde1039.exe	37

C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe
"C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412
- 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\76839e674adbc02d2acf25a4fdde1039.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:476
- C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe
  "C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe"
  2⤵
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe
  "C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.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:2480
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp906.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2916
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2576

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\tmp906.tmp

Filesize
1KB

MD5
5f4a922a7fcac59bfc8398960fb2d27a

SHA1
8c24de6d22d308b3c2f72b9014123abcd1197453

SHA256
7ca1ba3e1327ba0950ab0653a83f6a4e13e7fd2436b544794393c7a48fc3111b

SHA512
d40ce46bfbe4eb1eae8f138f3544aa1e36522c228b9fe80f10fcd7c316c7f668fc78ea279e9f2a4c2e10998bb437c166cd9d7d0cb57e5f257408319418350ce5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9A3.tmp

Filesize
1KB

MD5
da7aec92f4b1e721f6eeccec52db4901

SHA1
e1bc32c2277c42aec2356f6242ee427af53c2a52

SHA256
7bcfd205f07bffa61c788644c1d6639d03126c46fdbd6550f7e21795dc78b3c0

SHA512
340e234cdfb1b327369378131629f0ff5538c6a1c578c59bfc1b66442ff3f5793f119db13b8d3f158969071eb0fc0c7fbe5c79094572fac0cea528489bf11720

Download Submit
memory/2412-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2412-1-0x00000000000B0000-0x000000000015A000-memory.dmp

Filesize
680KB

Download
memory/2412-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-3-0x00000000004D0000-0x00000000004E8000-memory.dmp

Filesize
96KB

Download
memory/2412-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2412-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-6-0x0000000005380000-0x00000000053FA000-memory.dmp

Filesize
488KB

Download
memory/2412-23-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2480-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2480-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-20-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2480-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-31-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2480-32-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/2480-33-0x00000000005F0000-0x00000000005FA000-memory.dmp

Filesize
40KB

Download
memory/2480-34-0x00000000744D0000-0x0000000074BBE000-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