nanocore | 588b25087097e7c8aa47d12876af1c3fa939a34fdfd22b26884eb60ff9f7371a

General

Target
588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe
Size 1.2MB
Sample210805-2dvx3bm2wn
SHA256 588b25087097e7c8aa47d12876af1c3fa939a34fdfd22b26884eb60ff9f7371a
MD5 98b82195aecd8942d2965b81f411eaaa
SHA1 694ed69b2b91ce8fe9e895dc28c29d628c482264
SHA512 33c2f4f9a38c8493b4b46f7ee5a9ac9f54c01349dd80f94259b6fae6486be39f683e1e02a2831559e9fbc4fe2dfea53e32dcb530f2974f2a3c5be8593cc03b21
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bproduction.zapto.org:60612
bproduction.duckdns.org:60612

Mutex

7b075e51-ad8c-4c5b-9042-029ae7a4d1b5

Attributes

activate_away_mode
true
backup_connection_host
bproduction.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-07-10T13:38:34.956857336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
60612
default_group
WAWA
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
7b075e51-ad8c-4c5b-9042-029ae7a4d1b5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bproduction.zapto.org
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Executes dropped EXE 2 IoCs

pid	Process
2156	liqmneh.exe
3472	liqmneh.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.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	liqmneh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 3472	2156	liqmneh.exe	79

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
3360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2156	liqmneh.exe
2156	liqmneh.exe
2156	liqmneh.exe
2156	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe
3472	liqmneh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3472	liqmneh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2156	liqmneh.exe
Token: SeIncBasePriorityPrivilege	2156	liqmneh.exe
Token: SeDebugPrivilege	3472	liqmneh.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2156	2016	588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe	75
PID 2016 wrote to memory of 2156	2016	588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe	75
PID 2016 wrote to memory of 2156	2016	588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe	75
PID 2156 wrote to memory of 3944	2156	liqmneh.exe	77
PID 2156 wrote to memory of 3944	2156	liqmneh.exe	77
PID 2156 wrote to memory of 3944	2156	liqmneh.exe	77
PID 2156 wrote to memory of 3472	2156	liqmneh.exe	79
PID 2156 wrote to memory of 3472	2156	liqmneh.exe	79
PID 2156 wrote to memory of 3472	2156	liqmneh.exe	79
PID 3944 wrote to memory of 3360	3944	cmd.exe	80
PID 3944 wrote to memory of 3360	3944	cmd.exe	80
PID 3944 wrote to memory of 3360	3944	cmd.exe	80
PID 2156 wrote to memory of 3472	2156	liqmneh.exe	79
PID 2156 wrote to memory of 3472	2156	liqmneh.exe	79

C:\Users\Admin\AppData\Local\Temp\588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe
"C:\Users\Admin\AppData\Local\Temp\588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\liqmneh.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\liqmneh.exe kjrd.bbu
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c schtasks /create /sc minute /mo 5 /tn peol /tr "C:\Users\Admin\peol\liqmneh.exe C:\Users\Admin\peol\kjrd.bbu"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3944
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 5 /tn peol /tr "C:\Users\Admin\peol\liqmneh.exe C:\Users\Admin\peol\kjrd.bbu"
      4⤵
      Creates scheduled task(s)
      PID:3360
- - C:\Users\Admin\liqmneh.exe
    0
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:3472

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3472-131-0x000000000F510000-0x000000000F511000-memory.dmp

Download

memory/3472-121-0x0000000000B50000-0x000000000AED0000-memory.dmp

Download

memory/3472-127-0x000000000FA60000-0x000000000FA61000-memory.dmp

Download

memory/3472-128-0x000000000F560000-0x000000000F561000-memory.dmp

Download

memory/3472-129-0x000000000F600000-0x000000000F601000-memory.dmp

Download

memory/3472-130-0x000000000F560000-0x000000000FA5E000-memory.dmp

Download

memory/3472-132-0x000000000F870000-0x000000000F875000-memory.dmp

Download

memory/3472-133-0x000000000F880000-0x000000000F886000-memory.dmp

Download

memory/3472-134-0x000000000FA30000-0x000000000FA49000-memory.dmp

Download

memory/3472-135-0x000000000F7F0000-0x000000000F7F3000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads