nanocore | 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf

General

Target

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.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
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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
2936	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Subsystem = "C:\\Program Files (x86)\\LAN Subsystem\\lanss.exe"	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	pid	Process	procid_target
PID 2296 set thread context of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32

Drops file in Program Files directory 2 IoCs

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	ioc	Process
File created	C:\Program Files (x86)\LAN Subsystem\lanss.exe	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
File opened for modification	C:\Program Files (x86)\LAN Subsystem\lanss.exe	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.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:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exepowershell.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.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
2916	schtasks.exe
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

pid	Process
2936	powershell.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

pid	Process
1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	pid	Process
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe

description	pid	Process	procid_target
PID 2296 wrote to memory of 2936	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	31
PID 2296 wrote to memory of 2936	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	31
PID 2296 wrote to memory of 2936	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	31
PID 2296 wrote to memory of 2936	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	31
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 2296 wrote to memory of 1480	2296	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	32
PID 1480 wrote to memory of 2916	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	34
PID 1480 wrote to memory of 2916	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	34
PID 1480 wrote to memory of 2916	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	34
PID 1480 wrote to memory of 2916	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	34
PID 1480 wrote to memory of 2772	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	36
PID 1480 wrote to memory of 2772	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	36
PID 1480 wrote to memory of 2772	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	36
PID 1480 wrote to memory of 2772	1480	87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe	36

C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
"C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- 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\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
  "C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.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:1480
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B6.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 "LAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp253.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2772

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B6.tmp

Filesize
1KB

MD5
944a7564eca114d8cc0bf09cacae107e

SHA1
f9e178fe9e44fae8d9fd9d574cc39b799d06547e

SHA256
ba522b99de13a7cd669a3dc482911ff76f2c34526651b0530e2f7906466c5c91

SHA512
b49bd228b56b3455de89f98bef9b88c69ab9bed9e91088f73706c2a30364aad8e85b219bfff8a6ee5b64d26132fdd589b578e1549574329a9bf1a6e41475fbe5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp253.tmp

Filesize
1KB

MD5
924694e208642d4d8a4c7e0f0cba0de1

SHA1
87e9496a918036c3e3902f125b95a47e38548828

SHA256
8de0bab59a9fe15f312e81a373382ed992ce5110deb3813f663b92cfc5eae0b6

SHA512
ef3cfc08df53777f13fb51fdc0269f6f686c0df57c4dd72f395dc53d1d8ef2b08e33c3601507a45c3cc31a25b70ebf365d0fa93db64e1e851173216a45c49c2c

Download Submit
memory/1480-19-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1480-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-47-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1480-46-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1480-43-0x0000000002200000-0x000000000222E000-memory.dmp

Filesize
184KB

Download
memory/1480-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-44-0x0000000000CC0000-0x0000000000CD4000-memory.dmp

Filesize
80KB

Download
memory/1480-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1480-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1480-30-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/1480-42-0x0000000000C90000-0x0000000000C9E000-memory.dmp

Filesize
56KB

Download
memory/1480-22-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1480-41-0x0000000000C80000-0x0000000000C94000-memory.dmp

Filesize
80KB

Download
memory/1480-40-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download
memory/1480-38-0x0000000000A70000-0x0000000000A82000-memory.dmp

Filesize
72KB

Download
memory/1480-31-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/1480-32-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/1480-35-0x00000000006A0000-0x00000000006B2000-memory.dmp

Filesize
72KB

Download
memory/1480-36-0x00000000006B0000-0x00000000006CA000-memory.dmp

Filesize
104KB

Download
memory/1480-37-0x0000000000A50000-0x0000000000A5E000-memory.dmp

Filesize
56KB

Download
memory/1480-39-0x0000000000AC0000-0x0000000000AD4000-memory.dmp

Filesize
80KB

Download
memory/2296-18-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-3-0x0000000000340000-0x0000000000358000-memory.dmp

Filesize
96KB

Download
memory/2296-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2296-1-0x0000000000CD0000-0x0000000000D7A000-memory.dmp

Filesize
680KB

Download
memory/2296-6-0x0000000005470000-0x00000000054EA000-memory.dmp

Filesize
488KB

Download
memory/2296-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-4-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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