nanocore | 16a89bdfcb47975f86cf09cca2ae8a67224cc37cfd69264f9a55feed1cc83c48

Analysis

max time kernel
147s
max time network
149s
platform
windows10_x64
resource
win10
submitted
14/08/2020, 08:43

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General

Target
LOI.exe
Size 429KB
Sample200814-2n2pp3ktz2
SHA256 16a89bdfcb47975f86cf09cca2ae8a67224cc37cfd69264f9a55feed1cc83c48
MD5 5b8b40704f2fca5bf16e4fba4cb6990e
SHA1 edcea56624d951b38aed65c6aa1913fb5b0e4884
SHA512 bacdb95c2e693b9b08edb5ca175ee0818f979005e4e88357f70b7809a6fa9a3bc3c6db725115e2349f8cd1c93c0cb6d061e85c31e265f19903cfb64a9393ee43
MD5 SHA1 SHA512

Score

10^/10

keylogger trojan stealer spyware nanocore persistence evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

chidinduirofuala.ddns.net:45456
79.134.225.74:45456

Mutex

002342b6-5327-44d9-9625-3fb09685b889

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.74
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-29T04:34:10.386368536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45456
default_group
ONYEZE
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
002342b6-5327-44d9-9625-3fb09685b889
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chidinduirofuala.ddns.net
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

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\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	LOI.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	LOI.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3100 set thread context of 3480	3100	LOI.exe	69

Drops file in Program Files directory 2 IoCs

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

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3100	LOI.exe
3100	LOI.exe
3100	LOI.exe
3100	LOI.exe
3480	LOI.exe
3480	LOI.exe
3480	LOI.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3480	LOI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	LOI.exe
Token: SeDebugPrivilege	3480	LOI.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 3888	3100	LOI.exe	67
PID 3100 wrote to memory of 3888	3100	LOI.exe	67
PID 3100 wrote to memory of 3888	3100	LOI.exe	67
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69
PID 3100 wrote to memory of 3480	3100	LOI.exe	69

C:\Users\Admin\AppData\Local\Temp\LOI.exe
"C:\Users\Admin\AppData\Local\Temp\LOI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EulNopOGp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA004.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3888
- C:\Users\Admin\AppData\Local\Temp\LOI.exe
  "{path}"
  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
  PID:3480

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/3100-9-0x0000000009C80000-0x0000000009CB4000-memory.dmp

Download

memory/3100-4-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Download

memory/3100-5-0x0000000004D10000-0x0000000004D11000-memory.dmp

Download

memory/3100-6-0x0000000007110000-0x0000000007111000-memory.dmp

Download

memory/3100-7-0x00000000052B0000-0x00000000052B8000-memory.dmp

Download

memory/3100-8-0x00000000074D0000-0x0000000007523000-memory.dmp

Download

memory/3100-0-0x0000000073A70000-0x000000007415E000-memory.dmp

Download

memory/3100-1-0x0000000000460000-0x0000000000461000-memory.dmp

Download

memory/3100-3-0x00000000052E0000-0x00000000052E1000-memory.dmp

Download

memory/3480-12-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/3480-15-0x0000000073A70000-0x000000007415E000-memory.dmp

Download

memory/3480-22-0x0000000004D70000-0x0000000004D75000-memory.dmp

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memory/3480-23-0x0000000004D80000-0x0000000004D99000-memory.dmp

Download

memory/3480-24-0x0000000005290000-0x0000000005293000-memory.dmp

Download