nanocore | b0896cbac640a28e5f9f597d546534fb06175652f6c8d4232b65b22a1743be51

General

Target
ODEME.scr
Size 1.4MB
Sample201109-fl3fbpld5j
SHA256 b0896cbac640a28e5f9f597d546534fb06175652f6c8d4232b65b22a1743be51
MD5 da4227dcfbc095e138deac5e6f7ee1f1
SHA1 f72cd461170b890ef50402d07fc35637b73ba62c
SHA512 5128dc7979fdbd4da0871ecfd0f2762a88570eaa128448b4f527ad60072e773b734b9a981d0fa8e966104cb4b6e8a47257867d1e9136960f2ab4422d1c27a9b5
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jege1.duckdns.org:2025

Mutex

1f204922-39b0-4dbe-99fa-3f6426d3ef19

Attributes

activate_away_mode
true
backup_connection_host
jege1.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-27T22:56:40.248575836Z
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
2025
default_group
tr
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
1f204922-39b0-4dbe-99fa-3f6426d3ef19
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jege1.duckdns.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

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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\unsecapp.url	ODEME.scr

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\NTFS Manager = "C:\\Program Files (x86)\\NTFS Manager\\ntfsmgr.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 1692	1320	ODEME.scr	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	MSBuild.exe
File created	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	MSBuild.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
1704	schtasks.exe
1468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1692	MSBuild.exe
1692	MSBuild.exe
1692	MSBuild.exe
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1692	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1320	ODEME.scr
1320	ODEME.scr
1320	ODEME.scr

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1320 wrote to memory of 1692	1320	ODEME.scr	29
PID 1692 wrote to memory of 1704	1692	MSBuild.exe	30
PID 1692 wrote to memory of 1704	1692	MSBuild.exe	30
PID 1692 wrote to memory of 1704	1692	MSBuild.exe	30
PID 1692 wrote to memory of 1704	1692	MSBuild.exe	30
PID 1692 wrote to memory of 1468	1692	MSBuild.exe	32
PID 1692 wrote to memory of 1468	1692	MSBuild.exe	32
PID 1692 wrote to memory of 1468	1692	MSBuild.exe	32
PID 1692 wrote to memory of 1468	1692	MSBuild.exe	32

C:\Users\Admin\AppData\Local\Temp\ODEME.scr
"C:\Users\Admin\AppData\Local\Temp\ODEME.scr" /S
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB903.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1704
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBB16.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1468