nanocore | 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0

General

Target

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
Size

607KB
MD5

c77d7b80c1b61a649682b28b9daf062f
SHA1

15292367af2a8a7152cc0d3f9ca5b0fb254945d8
SHA256

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0
SHA512

a9d4883e916bc2a3a976bc079b0a6a7e0348994e647e69b616c66858580b5a6cdafc12c4b37e4d74ff1239def0610369260b62562ebf46c2fe393ca163152258
SSDEEP

12288:yO8USvMEgLIVvX9I56tXHbYJY6XZ4SLagMHVzv3dxie6v4pb:1SvMrIVfjXHbYJDZagMHRvNxg4p

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

pnauco5.ddns.net:1664

Mutex

ac9038a0-8510-453c-acdb-295331cd9ea3

Attributes

activate_away_mode
true
backup_connection_host
pnauco5.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-25T22:01:43.462334136Z
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
BLACK
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
ac9038a0-8510-453c-acdb-295331cd9ea3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
pnauco5.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
2168	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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"	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

description	pid	Process	procid_target
PID 2152 set thread context of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30

Drops file in Program Files directory 2 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepowershell.exeschtasks.exeschtasks.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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
1996	schtasks.exe
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepowershell.exe

pid	Process
2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
2168	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

pid	Process
2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
Token: SeDebugPrivilege	2168	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe

description	pid	Process	procid_target
PID 2152 wrote to memory of 2168	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	28
PID 2152 wrote to memory of 2168	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	28
PID 2152 wrote to memory of 2168	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	28
PID 2152 wrote to memory of 2168	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	28
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2152 wrote to memory of 2408	2152	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	30
PID 2408 wrote to memory of 1996	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	31
PID 2408 wrote to memory of 1996	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	31
PID 2408 wrote to memory of 1996	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	31
PID 2408 wrote to memory of 1996	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	31
PID 2408 wrote to memory of 2752	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	33
PID 2408 wrote to memory of 2752	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	33
PID 2408 wrote to memory of 2752	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	33
PID 2408 wrote to memory of 2752	2408	1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe	33

C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
"C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- 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\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2168
- C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
  "C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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 "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1996
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC1E9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2752

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\tmpC0C0.tmp

Filesize
1KB

MD5
95e3066ddc2fed061dca521097dc62e4

SHA1
c9bf3bfd1354b0bafab6fee27d65515954df1928

SHA256
1b792865ef4d29bd28049c680c57059c16e799d503592f68d157653e08cf3754

SHA512
ae52d7a09309a749da98d4c1b9a7aabba2fc67456a3cac2534aa22371594d0d380203eb9eefe49ac2618fdd89b29c03fecc3b8fb133dfe39ebcdd6623d15fb6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC1E9.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/2152-22-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-1-0x0000000000C60000-0x0000000000CFE000-memory.dmp

Filesize
632KB

Download
memory/2152-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-3-0x0000000000650000-0x0000000000662000-memory.dmp

Filesize
72KB

Download
memory/2152-4-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2152-5-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2152-6-0x0000000005880000-0x00000000058FA000-memory.dmp

Filesize
488KB

Download
memory/2152-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2408-21-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2408-11-0x0000000000400000-0x0000000000438000-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/2408-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-27-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

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

Filesize
224KB

Download
memory/2408-33-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2408-34-0x0000000000470000-0x000000000048E000-memory.dmp

Filesize
120KB

Download
memory/2408-35-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2408-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-37-0x0000000074790000-0x0000000074E7E000-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