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\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.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 3140 set thread context of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Service\dpisv.exe	68ed7131fa19bb7841cda1e98f0d97c5.exe
File opened for modification	C:\Program Files (x86)\DPI Service\dpisv.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	68ed7131fa19bb7841cda1e98f0d97c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68ed7131fa19bb7841cda1e98f0d97c5.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
2592	schtasks.exe
5000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
552	68ed7131fa19bb7841cda1e98f0d97c5.exe
552	68ed7131fa19bb7841cda1e98f0d97c5.exe
552	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
552	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	68ed7131fa19bb7841cda1e98f0d97c5.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 3140 wrote to memory of 552	3140	68ed7131fa19bb7841cda1e98f0d97c5.exe	98
PID 552 wrote to memory of 2592	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	99
PID 552 wrote to memory of 2592	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	99
PID 552 wrote to memory of 2592	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	99
PID 552 wrote to memory of 5000	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	101
PID 552 wrote to memory of 5000	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	101
PID 552 wrote to memory of 5000	552	68ed7131fa19bb7841cda1e98f0d97c5.exe	101

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 use of WriteProcessMemory
PID:3140
- 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:552
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp441.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2592
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp490.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5000

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\Microsoft\CLR_v2.0_32\UsageLogs\68ed7131fa19bb7841cda1e98f0d97c5.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp441.tmp

Filesize
1KB

MD5
ba89ab6340e8da135e07afa406fe1f86

SHA1
acb17c4c6bb0fb163a08b0107dc6db6057373215

SHA256
03636c2d24d92a974bf7b32bf691d0874cf97910c706406c3cb2438113116a18

SHA512
d8ba32e377d9fdd8c35f509b7b20d19bbe2c1558c664e7427eb024277835b45f987aed498c5825023720efa42252e8bef19b19335088887992fca2cb63236991

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp490.tmp

Filesize
1KB

MD5
a9af285136db016a568e4a53208f21d0

SHA1
e1afef2b7ee8ae945353315daa19a15574b435b7

SHA256
7dce876e35550f4a5b8ce8a8bbab3b0ccd7c5b8660f9db4b832466b77e3a8b7c

SHA512
80a1f5e463a87cddc0f66336e2dc4262daf98984c6f6c662c3615d615ebe7c58677c3d694edb3bd7816ccee969aae967c7efe8526ba423f274ac1210c0c8bd6e

Download Submit
memory/552-18-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-19-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/552-22-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-8-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-9-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-21-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/552-20-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3140-1-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3140-0-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download
memory/3140-4-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3140-2-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3140-10-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3140-3-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads