nanocore | 953b28fd61cb8eb78e1fca699aead009a12bb5a0a6a8d42b0447cbe2bf828143

General

Target
Order & Specification.exe
Size 435KB
Sample201109-5w5df6e66j
SHA256 953b28fd61cb8eb78e1fca699aead009a12bb5a0a6a8d42b0447cbe2bf828143
MD5 6ed8d16bcfa3fdb721ce6f75100a89fa
SHA1 3a13e7679803db6b5fa4082a10e9981301967f3d
SHA512 df4143a936ed0a6d8b9624c981c1a1e100995c82e1b7f05b0458940aaab2108a4e50504002cf5e69ef7721d241fe75cdb2eea0e9ad7f4103c44f7862d3b1d8c4
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ome2j3bw.3utilities.com:1907

Mutex

bec896f1-592b-47d9-b6d7-441c6093682d

Attributes

activate_away_mode
true
backup_connection_host
ome2j3bw.3utilities.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-13T02:35:20.505000936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
3997
connection_port
1907
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
29997
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
bec896f1-592b-47d9-b6d7-441c6093682d
mutex_timeout
4995
prevent_system_sleep
false
primary_connection_host
ome2j3bw.3utilities.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
4997
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
4934
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"	Order & Specification.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	Order & Specification.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 4020	1628	Order & Specification.exe	78

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	Order & Specification.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	Order & Specification.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
3156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1628	Order & Specification.exe
1628	Order & Specification.exe
1628	Order & Specification.exe
4020	Order & Specification.exe
4020	Order & Specification.exe
4020	Order & Specification.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4020	Order & Specification.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	Order & Specification.exe
Token: SeDebugPrivilege	4020	Order & Specification.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3156	1628	Order & Specification.exe	75
PID 1628 wrote to memory of 3156	1628	Order & Specification.exe	75
PID 1628 wrote to memory of 3156	1628	Order & Specification.exe	75
PID 1628 wrote to memory of 3328	1628	Order & Specification.exe	77
PID 1628 wrote to memory of 3328	1628	Order & Specification.exe	77
PID 1628 wrote to memory of 3328	1628	Order & Specification.exe	77
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78
PID 1628 wrote to memory of 4020	1628	Order & Specification.exe	78

C:\Users\Admin\AppData\Local\Temp\Order & Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Order & Specification.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WDiaLPGPj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0AA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3156
- C:\Users\Admin\AppData\Local\Temp\Order & Specification.exe
  "{path}"
  2⤵
  PID:3328
- C:\Users\Admin\AppData\Local\Temp\Order & Specification.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:4020