nanocore | 786e5ea538d875c628433d6cf45abd9559ede017b01b3fca8eb3bfc6dbc66f12

Analysis

max time kernel
64s
max time network
100s
platform
windows7_x64
resource
win7
submitted
10/08/2020, 09:58

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General

Target
New order.exe
Size 484KB
Sample200810-e1wzqv137s
SHA256 786e5ea538d875c628433d6cf45abd9559ede017b01b3fca8eb3bfc6dbc66f12
MD5 47ef40190734b261014442ea5e87ff9b
SHA1 f7996d57aaa446cab624918d78aafef8e6581f9c
SHA512 5ed12695030fc29e22a69219679bd3978aed4be88ed382e0689fe3eb2571d180328b5490ea0e4785bef28f2f720f7ba04b5e6fae71899252b47c63fd904d91d7
MD5 SHA1 SHA512

Score

10^/10

evasion trojan keylogger stealer spyware nanocore persistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

bbenson.ddns.net:3080

Mutex

eda53875-a284-4c1e-9e92-bae099ad007c

Attributes

activate_away_mode
true
backup_connection_host
bbenson.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-10T13:56:14.708459336Z
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
3080
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
eda53875-a284-4c1e-9e92-bae099ad007c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bbenson.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

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 788	1108	New order.exe	24
PID 1108 wrote to memory of 788	1108	New order.exe	24
PID 1108 wrote to memory of 788	1108	New order.exe	24
PID 1108 wrote to memory of 788	1108	New order.exe	24
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1108 wrote to memory of 1044	1108	New order.exe	26
PID 1044 wrote to memory of 1372	1044	New order.exe	27
PID 1044 wrote to memory of 1372	1044	New order.exe	27
PID 1044 wrote to memory of 1372	1044	New order.exe	27
PID 1044 wrote to memory of 1372	1044	New order.exe	27
PID 1044 wrote to memory of 1828	1044	New order.exe	29
PID 1044 wrote to memory of 1828	1044	New order.exe	29
PID 1044 wrote to memory of 1828	1044	New order.exe	29
PID 1044 wrote to memory of 1828	1044	New order.exe	29

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1108 set thread context of 1044	1108	New order.exe	26

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
1372	schtasks.exe
1828	schtasks.exe
788	schtasks.exe

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\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe"	New order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	New order.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1044	New order.exe
1044	New order.exe
1044	New order.exe
1044	New order.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1044	New order.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	New order.exe

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	New order.exe
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	New order.exe

C:\Users\Admin\AppData\Local\Temp\New order.exe
"C:\Users\Admin\AppData\Local\Temp\New order.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRBmDfUlRb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF39.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:788
- C:\Users\Admin\AppData\Local\Temp\New order.exe
  "C:\Users\Admin\AppData\Local\Temp\New order.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  PID:1044
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC63B.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1372
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC745.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1828

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/1044-24-0x00000000005A0000-0x00000000005A6000-memory.dmp

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memory/1044-20-0x00000000004C0000-0x00000000004D9000-memory.dmp

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memory/1044-33-0x0000000000B70000-0x0000000000B7F000-memory.dmp

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memory/1044-8-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1044-10-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1044-11-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1044-12-0x0000000074850000-0x0000000074F3E000-memory.dmp

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memory/1044-32-0x0000000000B00000-0x0000000000B29000-memory.dmp

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memory/1044-31-0x0000000000AA0000-0x0000000000AAA000-memory.dmp

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memory/1044-30-0x0000000000A90000-0x0000000000A9F000-memory.dmp

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memory/1044-29-0x0000000000A40000-0x0000000000A49000-memory.dmp

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memory/1044-19-0x00000000003E0000-0x00000000003E5000-memory.dmp

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memory/1044-28-0x0000000000A30000-0x0000000000A3D000-memory.dmp

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memory/1044-21-0x00000000003F0000-0x00000000003F3000-memory.dmp

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memory/1044-22-0x0000000000500000-0x000000000050D000-memory.dmp

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memory/1044-23-0x0000000000630000-0x0000000000645000-memory.dmp

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memory/1044-27-0x0000000000A20000-0x0000000000A26000-memory.dmp

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memory/1044-25-0x0000000000980000-0x000000000098C000-memory.dmp

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memory/1044-26-0x0000000000A10000-0x0000000000A17000-memory.dmp

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memory/1108-0-0x00000000748D0000-0x0000000074FBE000-memory.dmp

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memory/1108-5-0x00000000048F0000-0x0000000004926000-memory.dmp

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memory/1108-1-0x0000000000990000-0x0000000000991000-memory.dmp

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memory/1108-3-0x0000000000200000-0x000000000020B000-memory.dmp

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memory/1108-4-0x0000000002110000-0x000000000215B000-memory.dmp

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