nanocore | a920dfb486d57b7d60d6bad4643d4f425802ce9ac8c520f9771d6689b65ffe80

General

Target

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
Size

767KB
MD5

1ee4aca2ed3fbc7d17f8a86c751c1cc2
SHA1

79fdfd56292f04c800afaa837b445e780355f3fb
SHA256

a920dfb486d57b7d60d6bad4643d4f425802ce9ac8c520f9771d6689b65ffe80
SHA512

2aa63b5a446b06d0e1149935ab3ea4803d797355ae4ac092abd5c3e7395bc9bb1dcd56f4489b144bffea42c916f9b22be250a09fd22634ba8de04a054cb7a910
SSDEEP

12288:WAghZfmc9iuf6+U4yE4tbq8OzrO3D3GY76d0QQ9qUqkhwHGnpaU:bg/fz16+HyAziX700QQ9dqkhGsZ

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
2216	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	pid	Process	procid_target
PID 2088 set thread context of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33

Drops file in Program Files directory 2 IoCs

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	1ee4aca2ed3fbc7d17f8a86c751c1cc2.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.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exeschtasks.exeschtasks.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ee4aca2ed3fbc7d17f8a86c751c1cc2.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	1ee4aca2ed3fbc7d17f8a86c751c1cc2.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
2652	schtasks.exe
2528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

pid	Process
2216	powershell.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

pid	Process
348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	pid	Process
Token: SeDebugPrivilege	2216	powershell.exe
Token: SeDebugPrivilege	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe

description	pid	Process	procid_target
PID 2088 wrote to memory of 2216	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	31
PID 2088 wrote to memory of 2216	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	31
PID 2088 wrote to memory of 2216	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	31
PID 2088 wrote to memory of 2216	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	31
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 2088 wrote to memory of 348	2088	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	33
PID 348 wrote to memory of 2652	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	34
PID 348 wrote to memory of 2652	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	34
PID 348 wrote to memory of 2652	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	34
PID 348 wrote to memory of 2652	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	34
PID 348 wrote to memory of 2528	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	36
PID 348 wrote to memory of 2528	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	36
PID 348 wrote to memory of 2528	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	36
PID 348 wrote to memory of 2528	348	1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe	36

C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
"C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- 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\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2216
- C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
  "C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.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:348
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3F7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2652
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4D2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2528

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\tmp3F7.tmp

Filesize
1KB

MD5
b7d9947c750fca37238cafd7f7757d04

SHA1
e1357883a9111f6be61d965cd9cfa549ade76028

SHA256
088fec6dd30bb05c34167b74e596e811ef2bc120b75393bfeae9115cdb3226bd

SHA512
878a8b4c1c2e150a4da4b5e79f28f3cbcf07dd7b501465fe59d2ce1e41b66131562f32c6461a153750bd8daf30feeba654d0d8d923e8185c4b7cf9746ad8915e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4D2.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/348-40-0x0000000000CE0000-0x0000000000CEE000-memory.dmp

Filesize
56KB

Download
memory/348-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-51-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/348-48-0x0000000005420000-0x000000000544E000-memory.dmp

Filesize
184KB

Download
memory/348-49-0x0000000005450000-0x0000000005464000-memory.dmp

Filesize
80KB

Download
memory/348-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-33-0x0000000000A00000-0x0000000000A0A000-memory.dmp

Filesize
40KB

Download
memory/348-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-22-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/348-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/348-34-0x0000000000AD0000-0x0000000000AEE000-memory.dmp

Filesize
120KB

Download
memory/348-47-0x00000000053C0000-0x00000000053CE000-memory.dmp

Filesize
56KB

Download
memory/348-46-0x00000000053B0000-0x00000000053C4000-memory.dmp

Filesize
80KB

Download
memory/348-44-0x0000000000F30000-0x0000000000F44000-memory.dmp

Filesize
80KB

Download
memory/348-45-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/348-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/348-35-0x0000000000B30000-0x0000000000B3A000-memory.dmp

Filesize
40KB

Download
memory/348-38-0x0000000000BA0000-0x0000000000BB2000-memory.dmp

Filesize
72KB

Download
memory/348-39-0x0000000000BB0000-0x0000000000BCA000-memory.dmp

Filesize
104KB

Download
memory/348-41-0x0000000000D70000-0x0000000000D82000-memory.dmp

Filesize
72KB

Download
memory/348-43-0x0000000000F20000-0x0000000000F2E000-memory.dmp

Filesize
56KB

Download
memory/348-42-0x0000000000ED0000-0x0000000000EDC000-memory.dmp

Filesize
48KB

Download
memory/2088-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2088-3-0x00000000006B0000-0x00000000006CC000-memory.dmp

Filesize
112KB

Download
memory/2088-5-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-23-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-6-0x00000000003E0000-0x000000000045A000-memory.dmp

Filesize
488KB

Download
memory/2088-1-0x0000000000F80000-0x0000000001046000-memory.dmp

Filesize
792KB

Download
memory/2088-4-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads