nanocore | 2634af4fb7d0c056e1f96809592bfcd3ee9f3fedf0ad52f9340b67d3b67d9f0a

General

Target

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
Size

720KB
MD5

782965f857a2c2dbc179b7e016386f61
SHA1

3d16a97e2733daa4c2313035e134e763497bb948
SHA256

2634af4fb7d0c056e1f96809592bfcd3ee9f3fedf0ad52f9340b67d3b67d9f0a
SHA512

a1c98f6c20b9b5692069ac79d43ed06481faf963da10ad24b83bf4d76c44db2fca87e5237205be1767b83781ea63e0d8993dfc86bb08743e6756482771e01272
SSDEEP

12288:2lx+dhZfm1NjNJrhCByke+7/wrhQUKLxfguWTe/OSzT7Ad9hg7pzm9owtSE3:w+d/f+Njt+7IrylxfguWTelK39oL

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

66.63.187.113:1664

Mutex

a376f716-2f77-4943-a431-3a3bcb53b7c0

Attributes

activate_away_mode
true
backup_connection_host
66.63.187.113
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-08-05T03:49:33.827385136Z
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
1664
default_group
CAT
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
a376f716-2f77-4943-a431-3a3bcb53b7c0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
66.63.187.113
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
Nanocore family
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
2316	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.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"	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

description	pid	Process	procid_target
PID 2660 set thread context of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31

Drops file in Program Files directory 2 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

description	ioc	Process
File created	C:\Program Files (x86)\WPA Service\wpasv.exe	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasv.exe	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.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:

powershell.exeschtasks.exeschtasks.exeSecuriteInfo.com.Win32.DropperX-gen.14327.24859.exeSecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

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	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.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
2760	schtasks.exe
900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exepowershell.exe

pid	Process
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
2316	powershell.exe
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

pid	Process
2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
Token: SeDebugPrivilege	2316	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exeSecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe

description	pid	Process	procid_target
PID 2660 wrote to memory of 2316	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	29
PID 2660 wrote to memory of 2316	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	29
PID 2660 wrote to memory of 2316	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	29
PID 2660 wrote to memory of 2316	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	29
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2660 wrote to memory of 2408	2660	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	31
PID 2408 wrote to memory of 2760	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	32
PID 2408 wrote to memory of 2760	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	32
PID 2408 wrote to memory of 2760	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	32
PID 2408 wrote to memory of 2760	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	32
PID 2408 wrote to memory of 900	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	34
PID 2408 wrote to memory of 900	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	34
PID 2408 wrote to memory of 900	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	34
PID 2408 wrote to memory of 900	2408	SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe	34

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- 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\SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2316
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.14327.24859.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.14327.24859.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:2408
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D80.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2760
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F46.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:900

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\tmp8D80.tmp

Filesize
1KB

MD5
9906b2668004a927bad9e50125e75d43

SHA1
160ac05daa86ad7b2c9b7b8f8b5697bfe0d439a8

SHA256
b1c7c932cde08349b6f242463e49bc2bac287ec15ba87989c4fc8804202edb39

SHA512
4843410c8f4db3ff7ef9a416d026b5d22a904562a80de459538deecbcfd60e76eb119c4ee634aaf30b27ce1d07e4749358aef84be27e8f140e14f1995fb3c7a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8F46.tmp

Filesize
1KB

MD5
21de6c3a6440d917bdbb4b491191d9b2

SHA1
c63c300affe7147910dc4544d2d5f3029bf321a6

SHA256
23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4

SHA512
dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f

Download Submit
memory/2408-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-41-0x0000000000BA0000-0x0000000000BB2000-memory.dmp

Filesize
72KB

Download
memory/2408-51-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-50-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-46-0x0000000004AD0000-0x0000000004ADE000-memory.dmp

Filesize
56KB

Download
memory/2408-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-48-0x0000000004B30000-0x0000000004B44000-memory.dmp

Filesize
80KB

Download
memory/2408-22-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-33-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/2408-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-47-0x0000000004B80000-0x0000000004BAE000-memory.dmp

Filesize
184KB

Download
memory/2408-45-0x0000000004660000-0x0000000004674000-memory.dmp

Filesize
80KB

Download
memory/2408-44-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/2408-21-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-34-0x00000000009E0000-0x00000000009FE000-memory.dmp

Filesize
120KB

Download
memory/2408-35-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/2408-38-0x0000000000A10000-0x0000000000A22000-memory.dmp

Filesize
72KB

Download
memory/2408-39-0x0000000000B20000-0x0000000000B3A000-memory.dmp

Filesize
104KB

Download
memory/2408-40-0x0000000000B90000-0x0000000000B9E000-memory.dmp

Filesize
56KB

Download
memory/2408-42-0x0000000000D80000-0x0000000000D8E000-memory.dmp

Filesize
56KB

Download
memory/2408-43-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

Filesize
80KB

Download
memory/2660-3-0x00000000007E0000-0x00000000007FC000-memory.dmp

Filesize
112KB

Download
memory/2660-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2660-6-0x0000000005BD0000-0x0000000005C4A000-memory.dmp

Filesize
488KB

Download
memory/2660-23-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-1-0x0000000000DE0000-0x0000000000E9A000-memory.dmp

Filesize
744KB

Download
memory/2660-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-5-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-4-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads