nanocore | 406ed0bcdcb803a5a02bdb3631ff7107353ab6b38b8a23c506559dec6c611558

General

Target

68ed7131fa19bb7841cda1e98f0d97c5.exe
Size

803KB
MD5

65680cef87d7eb77d7712b80e6eb868a
SHA1

5914354f77bd3c3b97159971a3433d09443e8d8d
SHA256

0dbdc2b0bda0019b52d8766ba0b0b95005c7be3799412b9bc72e6314a45af1a4
SHA512

6b8e072450153f57b3f824319820a9db70875e9aeb61ab55827b3e271e8cef482e57494db8b3f57ef741b88c4c73676891fb38a88cf946833dbb60d5e5916595
SSDEEP

12288:YZi970euR5CQnq8M3DDZHxlyeLGSXOj1DxwZfFAd4RUjLaoHIQkbVIrHs:YZ/5CQa3DD9LbXatqZfFAjm8EbVn

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

antivirus-firewall.duckdns.org:5489

Mutex

8baa0bcd-b131-4fbd-b6cd-da059fc12106

Attributes

activate_away_mode
true
backup_connection_host
antivirus-firewall.duckdns.org
backup_dns_server
antivirus-firewall.duckdns.org
buffer_size
65535
build_time
2020-11-14T23:43:59.732638236Z
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
5489
default_group
NICE
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
8baa0bcd-b131-4fbd-b6cd-da059fc12106
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
antivirus-firewall.duckdns.org
primary_dns_server
antivirus-firewall.duckdns.org
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

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"	68ed7131fa19bb7841cda1e98f0d97c5.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	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	68ed7131fa19bb7841cda1e98f0d97c5.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	68ed7131fa19bb7841cda1e98f0d97c5.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68ed7131fa19bb7841cda1e98f0d97c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68ed7131fa19bb7841cda1e98f0d97c5.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
2536	schtasks.exe
3008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2444	68ed7131fa19bb7841cda1e98f0d97c5.exe
2444	68ed7131fa19bb7841cda1e98f0d97c5.exe
2792	68ed7131fa19bb7841cda1e98f0d97c5.exe
2792	68ed7131fa19bb7841cda1e98f0d97c5.exe
2792	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2792	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe
Token: SeDebugPrivilege	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2404	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	30
PID 2444 wrote to memory of 2404	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	30
PID 2444 wrote to memory of 2404	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	30
PID 2444 wrote to memory of 2404	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	30
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2444 wrote to memory of 2792	2444	68ed7131fa19bb7841cda1e98f0d97c5.exe	31
PID 2792 wrote to memory of 2536	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	32
PID 2792 wrote to memory of 2536	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	32
PID 2792 wrote to memory of 2536	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	32
PID 2792 wrote to memory of 2536	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	32
PID 2792 wrote to memory of 3008	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	34
PID 2792 wrote to memory of 3008	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	34
PID 2792 wrote to memory of 3008	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	34
PID 2792 wrote to memory of 3008	2792	68ed7131fa19bb7841cda1e98f0d97c5.exe	34

C:\Users\Admin\AppData\Local\Temp\68ed7131fa19bb7841cda1e98f0d97c5.exe
"C:\Users\Admin\AppData\Local\Temp\68ed7131fa19bb7841cda1e98f0d97c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\68ed7131fa19bb7841cda1e98f0d97c5.exe
  "{path}"
  2⤵
  PID:2404
- C:\Users\Admin\AppData\Local\Temp\68ed7131fa19bb7841cda1e98f0d97c5.exe
  "{path}"
  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:2792
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9369.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2536
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp93B8.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

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\tmp9369.tmp

Filesize
1KB

MD5
ba89ab6340e8da135e07afa406fe1f86

SHA1
acb17c4c6bb0fb163a08b0107dc6db6057373215

SHA256
03636c2d24d92a974bf7b32bf691d0874cf97910c706406c3cb2438113116a18

SHA512
d8ba32e377d9fdd8c35f509b7b20d19bbe2c1558c664e7427eb024277835b45f987aed498c5825023720efa42252e8bef19b19335088887992fca2cb63236991

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp93B8.tmp

Filesize
1KB

MD5
0a24db62cb5b84309c4803346caaa25d

SHA1
67660778f61bb44168c33ed3fe56ed86cf9583e8

SHA256
38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

SHA512
d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

Download Submit
memory/2444-20-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-1-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-2-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-3-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-4-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-0-0x0000000074E51000-0x0000000074E52000-memory.dmp

Filesize
4KB

Download
memory/2792-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-22-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2792-21-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2792-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-19-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download
memory/2792-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2792-30-0x0000000074E50000-0x00000000753FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads