nanocore | 6ece00da69537d12d933cfc710ef0be2f76ee8d39c111ba1726bd47c8fb8acb1

General

Target
7DcshRRKyE3bON7.exe
Size 329KB
Sample200630-ck6p79dswx
SHA256 6ece00da69537d12d933cfc710ef0be2f76ee8d39c111ba1726bd47c8fb8acb1
MD5 474f0117b9ffba8ab212f72abb791b45
SHA1 b22b789acafface4f0d1140d8f12ef425d8da1b6
SHA512 067d8f7b027652b95766df7ad01cce85cf836e6f921b113658ef93704eaf232a2724de16ba9a945b6890fe930b9efdafcf8e519d0cf988e4bce2d87b3bd843c8
MD5 SHA1 SHA512

Score

10^/10

evasion trojan keylogger stealer spyware nanocore persistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nobiwideget.dvrdns.org:54001

Mutex

db8a0fd6-d6ea-4208-a160-90f25cc9cef1

Attributes

activate_away_mode
true
backup_connection_host
nobiwideget.dvrdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-19T18:29:06.061121136Z
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
54001
default_group
bin
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
db8a0fd6-d6ea-4208-a160-90f25cc9cef1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nobiwideget.dvrdns.org
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

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3812	schtasks.exe
2988	schtasks.exe
3324	schtasks.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	7DcshRRKyE3bON7.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	7DcshRRKyE3bON7.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	7DcshRRKyE3bON7.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 3812	3676	7DcshRRKyE3bON7.exe	67
PID 3676 wrote to memory of 3812	3676	7DcshRRKyE3bON7.exe	67
PID 3676 wrote to memory of 3812	3676	7DcshRRKyE3bON7.exe	67
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3676 wrote to memory of 3804	3676	7DcshRRKyE3bON7.exe	69
PID 3804 wrote to memory of 2988	3804	7DcshRRKyE3bON7.exe	70
PID 3804 wrote to memory of 2988	3804	7DcshRRKyE3bON7.exe	70
PID 3804 wrote to memory of 2988	3804	7DcshRRKyE3bON7.exe	70
PID 3804 wrote to memory of 3324	3804	7DcshRRKyE3bON7.exe	72
PID 3804 wrote to memory of 3324	3804	7DcshRRKyE3bON7.exe	72
PID 3804 wrote to memory of 3324	3804	7DcshRRKyE3bON7.exe	72

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	7DcshRRKyE3bON7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3804	7DcshRRKyE3bON7.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	7DcshRRKyE3bON7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3676 set thread context of 3804	3676	7DcshRRKyE3bON7.exe	69

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3804	7DcshRRKyE3bON7.exe
3804	7DcshRRKyE3bON7.exe
3804	7DcshRRKyE3bON7.exe
3804	7DcshRRKyE3bON7.exe
3804	7DcshRRKyE3bON7.exe
3804	7DcshRRKyE3bON7.exe

C:\Users\Admin\AppData\Local\Temp\7DcshRRKyE3bON7.exe
"C:\Users\Admin\AppData\Local\Temp\7DcshRRKyE3bON7.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QUORDkPJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7990.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3812
- C:\Users\Admin\AppData\Local\Temp\7DcshRRKyE3bON7.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: GetForegroundWindowSpam
  - Adds Run entry to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:3804
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7D78.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2988
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7DB7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3324