nanocore | 7af816210b7fe504d7f1aefbb2dc33642e8f8b05b338d33b65d62910a8bc42a2

General

Target

pe513ZxNNQ32P70 (1).exe
Size

593KB
MD5

c2c5a1dc123a5d2a04675210ec41f248
SHA1

f12307b419f7cac6d1323ba6fd6df782aedca141
SHA256

7af816210b7fe504d7f1aefbb2dc33642e8f8b05b338d33b65d62910a8bc42a2
SHA512

d75cf63c6bf8ee063fdebacae5d9092c4cb853dbf00ac17205ea8155fc3b1d976dc0363454652528c6b8b071964bb3bdf95fb3a25f09acbdb7ae279f28f60ed8
SSDEEP

12288:EHSD0mNU+z6AILbhKPICKreZr5Z6lVKvGWxg6Ca2Wp:Ey9vz6Bb8hxZVZQwvDa6C/W

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

c04f2f08-744f-4293-8ea1-2fca37d145bf

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-06-30T19:46:18.917482936Z
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
C3C3
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
c04f2f08-744f-4293-8ea1-2fca37d145bf
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

pid	Process
2176	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	pe513ZxNNQ32P70 (1).exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	pe513ZxNNQ32P70 (1).exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2812	3044	pe513ZxNNQ32P70 (1).exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	pe513ZxNNQ32P70 (1).exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	pe513ZxNNQ32P70 (1).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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pe513ZxNNQ32P70 (1).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pe513ZxNNQ32P70 (1).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

pid	Process
2568	schtasks.exe
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2176	powershell.exe
2812	pe513ZxNNQ32P70 (1).exe
2812	pe513ZxNNQ32P70 (1).exe
2812	pe513ZxNNQ32P70 (1).exe
2812	pe513ZxNNQ32P70 (1).exe
2812	pe513ZxNNQ32P70 (1).exe
2812	pe513ZxNNQ32P70 (1).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	pe513ZxNNQ32P70 (1).exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	powershell.exe
Token: SeDebugPrivilege	2812	pe513ZxNNQ32P70 (1).exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2176	3044	pe513ZxNNQ32P70 (1).exe	30
PID 3044 wrote to memory of 2176	3044	pe513ZxNNQ32P70 (1).exe	30
PID 3044 wrote to memory of 2176	3044	pe513ZxNNQ32P70 (1).exe	30
PID 3044 wrote to memory of 2176	3044	pe513ZxNNQ32P70 (1).exe	30
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 3044 wrote to memory of 2812	3044	pe513ZxNNQ32P70 (1).exe	32
PID 2812 wrote to memory of 2568	2812	pe513ZxNNQ32P70 (1).exe	33
PID 2812 wrote to memory of 2568	2812	pe513ZxNNQ32P70 (1).exe	33
PID 2812 wrote to memory of 2568	2812	pe513ZxNNQ32P70 (1).exe	33
PID 2812 wrote to memory of 2568	2812	pe513ZxNNQ32P70 (1).exe	33
PID 2812 wrote to memory of 2972	2812	pe513ZxNNQ32P70 (1).exe	35
PID 2812 wrote to memory of 2972	2812	pe513ZxNNQ32P70 (1).exe	35
PID 2812 wrote to memory of 2972	2812	pe513ZxNNQ32P70 (1).exe	35
PID 2812 wrote to memory of 2972	2812	pe513ZxNNQ32P70 (1).exe	35

C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe
"C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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\pe513ZxNNQ32P70 (1).exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe
  "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).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:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2568
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2972

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp

Filesize
1KB

MD5
c075cc11b99b7831b659d2f8f1e4c00a

SHA1
2c0970d2de8a8847fc5098f2a2f27e04123e5be3

SHA256
7f2ce1c231cab108e405902b9cd5160c615da4d3d1894eb6a5d930a91b52626d

SHA512
8d1aa519aa49531410a64bb16664ed44222205e53dc807daa66a497d803c75deaa58140d16db6dc5239f1f940c4f8f2a76ed44914a78e2145d18b906e674545e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/2812-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-30-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2812-47-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/2812-46-0x0000000000BF0000-0x0000000000C1E000-memory.dmp

Filesize
184KB

Download
memory/2812-45-0x0000000000B50000-0x0000000000B5E000-memory.dmp

Filesize
56KB

Download
memory/2812-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-44-0x0000000000B40000-0x0000000000B54000-memory.dmp

Filesize
80KB

Download
memory/2812-20-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-43-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/2812-42-0x0000000000B20000-0x0000000000B34000-memory.dmp

Filesize
80KB

Download
memory/2812-41-0x0000000000B10000-0x0000000000B1C000-memory.dmp

Filesize
48KB

Download
memory/2812-31-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/2812-39-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

Filesize
72KB

Download
memory/2812-32-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2812-34-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-36-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/2812-37-0x00000000005D0000-0x00000000005EA000-memory.dmp

Filesize
104KB

Download
memory/2812-38-0x0000000000A50000-0x0000000000A5E000-memory.dmp

Filesize
56KB

Download
memory/2812-40-0x0000000000AC0000-0x0000000000ACE000-memory.dmp

Filesize
56KB

Download
memory/3044-1-0x0000000000D50000-0x0000000000DEA000-memory.dmp

Filesize
616KB

Download
memory/3044-3-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/3044-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/3044-19-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-6-0x0000000005530000-0x00000000055AA000-memory.dmp

Filesize
488KB

Download
memory/3044-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads