nanocore | 3348bbff21e5de66cf00f7275086faf7069149da8dc3ed39db220b465b85cfe4

General

Target
c57f30ddcb4b8488f4285aedd7bb9c2f.exe
Size 2.0MB
Sample201111-lf49py6g6s
SHA256 3348bbff21e5de66cf00f7275086faf7069149da8dc3ed39db220b465b85cfe4
MD5 c57f30ddcb4b8488f4285aedd7bb9c2f
SHA1 b0fbbf42b35e0706010aa163cb6d287d5113389f
SHA512 b588930c92c611b9749246e55678411c1ad5ff553f7cd6b6e119d2b9d5e216e20ac9363b483c958fd97ec749a988b42c46ce9736b8b528ff3399110ce05eab6d
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017

Mutex

3a9317bb-f4c9-498b-9bcd-6f676b5f42c8

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-08-09T22:17:26.589249336Z
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
2017
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
3a9317bb-f4c9-498b-9bcd-6f676b5f42c8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu
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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansv.exe"	c57f30ddcb4b8488f4285aedd7bb9c2f.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	c57f30ddcb4b8488f4285aedd7bb9c2f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 980 set thread context of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Service\wansv.exe	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansv.exe	c57f30ddcb4b8488f4285aedd7bb9c2f.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
2696	schtasks.exe
2380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe
Token: SeDebugPrivilege	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 3580	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	75
PID 980 wrote to memory of 3580	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	75
PID 980 wrote to memory of 3580	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	75
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 980 wrote to memory of 3884	980	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	76
PID 3884 wrote to memory of 2380	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	77
PID 3884 wrote to memory of 2380	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	77
PID 3884 wrote to memory of 2380	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	77
PID 3884 wrote to memory of 2696	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	79
PID 3884 wrote to memory of 2696	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	79
PID 3884 wrote to memory of 2696	3884	c57f30ddcb4b8488f4285aedd7bb9c2f.exe	79

C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe
"C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe
  "C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe"
  2⤵
  PID:3580
- C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe
  "C:\Users\Admin\AppData\Local\Temp\c57f30ddcb4b8488f4285aedd7bb9c2f.exe"
  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
  - Suspicious use of WriteProcessMemory
  PID:3884
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F5C.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2380
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5FE9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/980-0-0x0000000073310000-0x00000000739FE000-memory.dmp

Download

memory/980-1-0x0000000000B50000-0x0000000000B51000-memory.dmp

Download

memory/980-3-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

Download

memory/980-4-0x0000000005640000-0x0000000005641000-memory.dmp

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memory/980-5-0x0000000005580000-0x0000000005581000-memory.dmp

Download

memory/980-6-0x0000000007040000-0x00000000070A7000-memory.dmp

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memory/980-7-0x0000000007200000-0x0000000007216000-memory.dmp

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memory/3884-16-0x0000000005A20000-0x0000000005A21000-memory.dmp

Download

memory/3884-11-0x0000000073310000-0x00000000739FE000-memory.dmp

Download

memory/3884-8-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/3884-22-0x0000000005B90000-0x0000000005B95000-memory.dmp

Download

memory/3884-23-0x0000000005BA0000-0x0000000005BB9000-memory.dmp

Download

memory/3884-24-0x0000000006A90000-0x0000000006A93000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads