nanocore | 1d21886bb28a6dfb2f331cb95cf7b74dbb5ae79dc70bbcd7451f15afd53999e1

General

Target
xppp.exe
Size 452KB
Sample201109-mtpewkz3kn
SHA256 1d21886bb28a6dfb2f331cb95cf7b74dbb5ae79dc70bbcd7451f15afd53999e1
MD5 fd44c79512a3adf2382f10847d21e478
SHA1 7965afabb556b9e84a9e6cc88320db379b757cb6
SHA512 43d2941c2f9d5210c41598051bc24bf5073299e97412c7a40676b9e705d176f0d246b19caa73785a0bb14b2e652c44b12b72bf1f0079ece68bcd302072906ede
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bright1.awsmppl.com:4777
ml.warzonedns.com:4777

Mutex

2de2dd5e-5799-4adf-b77b-aaae77ba7236

Attributes

activate_away_mode
true
backup_connection_host
ml.warzonedns.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-05-05T15:07:06.178032736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4777
default_group
People
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
2de2dd5e-5799-4adf-b77b-aaae77ba7236
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bright1.awsmppl.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Executes dropped EXE 1 IoCs

pid	Process
200	swndhost.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.exe.lnk	xppp.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	swndhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 728 set thread context of 200	728	xppp.exe	77

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
728	xppp.exe
728	xppp.exe
200	swndhost.exe
200	swndhost.exe
200	swndhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
200	swndhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	728	xppp.exe
Token: SeDebugPrivilege	200	swndhost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 200	728	xppp.exe	77
PID 728 wrote to memory of 3916	728	xppp.exe	79
PID 728 wrote to memory of 3916	728	xppp.exe	79
PID 728 wrote to memory of 3916	728	xppp.exe	79
PID 728 wrote to memory of 892	728	xppp.exe	81
PID 728 wrote to memory of 892	728	xppp.exe	81
PID 728 wrote to memory of 892	728	xppp.exe	81

C:\Users\Admin\AppData\Local\Temp\xppp.exe
"C:\Users\Admin\AppData\Local\Temp\xppp.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728
- C:\Users\Admin\AppData\Local\Temp\swndhost.exe
  "C:\Users\Admin\AppData\Local\Temp\swndhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/xppp.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  PID:3916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/200-10-0x0000000000510000-0x0000000000548000-memory.dmp

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memory/200-13-0x0000000004A60000-0x0000000004A61000-memory.dmp

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memory/200-19-0x0000000004F50000-0x0000000004F53000-memory.dmp

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memory/200-18-0x0000000004F30000-0x0000000004F49000-memory.dmp

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memory/200-9-0x0000000073EE0000-0x00000000745CE000-memory.dmp

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memory/200-17-0x0000000004D40000-0x0000000004D45000-memory.dmp

Download

memory/200-12-0x0000000004F60000-0x0000000004F61000-memory.dmp

Download

memory/200-15-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Download

memory/728-0-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Download

memory/728-3-0x0000000005080000-0x0000000005081000-memory.dmp

Download

memory/728-4-0x0000000004FD0000-0x000000000500C000-memory.dmp

Download

memory/728-1-0x0000000000770000-0x0000000000771000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads