nanocore | d64a4482514be4bb53344b4712d850bb5ad28bd589a5cf3f4d2d966d2ea9ef65

Analysis

max time kernel
21s
max time network
151s
platform
windows10_x64
resource
win10v20201028
submitted
03/01/2021, 14:39

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General

Target
Shiping Doc BL.exe
Size 330KB
Sample210103-tkfavqs1ca
SHA256 d64a4482514be4bb53344b4712d850bb5ad28bd589a5cf3f4d2d966d2ea9ef65
MD5 dde408276c4221fb18dbec881a1da4fd
SHA1 9e260193d65cc3651d9c7ced09acbc65682f88a4
SHA512 f919350c088dd61b1d51db3d2bb91fcad2811055959663e9a826c52866f1bdae7364af31937440f1d6830bd0c17b9e5c80a47a2a4043fcb7e503a1ffbe15d501
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

chinomso.duckdns.org:7688

Mutex

5c856c52-5125-42de-9ed3-2389e16da064

Attributes

activate_away_mode
true
backup_connection_host
chinomso.duckdns.org
backup_dns_server
chinomso.duckdns.org
buffer_size
65535
build_time
2020-10-13T03:36:21.868380136Z
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
7688
default_group
Default
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
5c856c52-5125-42de-9ed3-2389e16da064
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chinomso.duckdns.org
primary_dns_server
chinomso.duckdns.org
request_elevation
false
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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	Shiping Doc BL.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	Shiping Doc BL.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 732 set thread context of 3912	732	Shiping Doc BL.exe	74

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	Shiping Doc BL.exe
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	Shiping Doc BL.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
200	schtasks.exe
2384	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3912	Shiping Doc BL.exe
3912	Shiping Doc BL.exe
3912	Shiping Doc BL.exe
3912	Shiping Doc BL.exe
3912	Shiping Doc BL.exe
3912	Shiping Doc BL.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3912	Shiping Doc BL.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
732	Shiping Doc BL.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3912	Shiping Doc BL.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 3912	732	Shiping Doc BL.exe	74
PID 732 wrote to memory of 3912	732	Shiping Doc BL.exe	74
PID 732 wrote to memory of 3912	732	Shiping Doc BL.exe	74
PID 732 wrote to memory of 3912	732	Shiping Doc BL.exe	74
PID 3912 wrote to memory of 200	3912	Shiping Doc BL.exe	76
PID 3912 wrote to memory of 200	3912	Shiping Doc BL.exe	76
PID 3912 wrote to memory of 200	3912	Shiping Doc BL.exe	76
PID 3912 wrote to memory of 2384	3912	Shiping Doc BL.exe	78
PID 3912 wrote to memory of 2384	3912	Shiping Doc BL.exe	78
PID 3912 wrote to memory of 2384	3912	Shiping Doc BL.exe	78

C:\Users\Admin\AppData\Local\Temp\Shiping Doc BL.exe
"C:\Users\Admin\AppData\Local\Temp\Shiping Doc BL.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\Shiping Doc BL.exe
  "C:\Users\Admin\AppData\Local\Temp\Shiping Doc BL.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8E1C.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:200
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F75.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/732-4-0x0000000000AB0000-0x0000000000AF8000-memory.dmp

Download

memory/3912-17-0x0000000005190000-0x0000000005195000-memory.dmp

Download

memory/3912-21-0x00000000066B0000-0x00000000066C5000-memory.dmp

Download

memory/3912-10-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Download

memory/3912-11-0x0000000005020000-0x0000000005021000-memory.dmp

Download

memory/3912-12-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Download

memory/3912-7-0x0000000004D40000-0x0000000004D73000-memory.dmp

Download

memory/3912-6-0x0000000073F90000-0x000000007467E000-memory.dmp

Download

memory/3912-5-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/3912-2-0x0000000000400000-0x0000000000448000-memory.dmp

Download

memory/3912-18-0x00000000053C0000-0x00000000053D9000-memory.dmp

Download

memory/3912-19-0x0000000005380000-0x0000000005383000-memory.dmp

Download

memory/3912-20-0x0000000005390000-0x000000000539D000-memory.dmp

Download

memory/3912-9-0x00000000053E0000-0x00000000053E1000-memory.dmp

Download

memory/3912-22-0x00000000066D0000-0x00000000066D6000-memory.dmp

Download

memory/3912-23-0x00000000066E0000-0x00000000066EC000-memory.dmp

Download

memory/3912-24-0x00000000066F0000-0x00000000066F7000-memory.dmp

Download

memory/3912-25-0x0000000006700000-0x0000000006706000-memory.dmp

Download

memory/3912-26-0x0000000006710000-0x000000000671D000-memory.dmp

Download

memory/3912-27-0x0000000006720000-0x0000000006729000-memory.dmp

Download

memory/3912-28-0x0000000006730000-0x000000000673F000-memory.dmp

Download

memory/3912-29-0x0000000006750000-0x000000000675A000-memory.dmp

Download

memory/3912-30-0x0000000006770000-0x0000000006799000-memory.dmp

Download

memory/3912-31-0x00000000067A0000-0x00000000067AF000-memory.dmp

Download

memory/3912-32-0x0000000006980000-0x0000000006981000-memory.dmp

Download