nanocore | 30bae935005990041e4f5336f82484a9fe9f57f432244e88cceca2044624ffb0

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 12:10

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General

Target

5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe
Size

479KB
MD5

6102daa4935e016dea8dc3eec27d2ac1
SHA1

c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca
SHA256

5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce
SHA512

92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51
SSDEEP

12288:P2yRPHfLlUN7Fl1dYySBrNoZZDetBHGTRNj:97wAySdNorDgBHGTRNj

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

185.157.160.229:60006

neoncorex.duckdns.org:60006

Mutex

1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0

Attributes

activate_away_mode
true
backup_connection_host
neoncorex.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-29T18:43:26.772131836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
60006
default_group
NANOSHIELD
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
1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.157.160.229
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
3000	dllinstallprint.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllinstallprint.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2804	RegAsm.exe
2804	RegAsm.exe
2804	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe
Token: SeDebugPrivilege	2804	RegAsm.exe
Token: SeDebugPrivilege	3000	dllinstallprint.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2804	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	31
PID 1748 wrote to memory of 2544	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	32
PID 1748 wrote to memory of 2544	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	32
PID 1748 wrote to memory of 2544	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	32
PID 1748 wrote to memory of 2544	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	32
PID 1748 wrote to memory of 2688	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	33
PID 1748 wrote to memory of 2688	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	33
PID 1748 wrote to memory of 2688	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	33
PID 1748 wrote to memory of 2688	1748	5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe	33
PID 2544 wrote to memory of 2564	2544	cmd.exe	36
PID 2544 wrote to memory of 2564	2544	cmd.exe	36
PID 2544 wrote to memory of 2564	2544	cmd.exe	36
PID 2544 wrote to memory of 2564	2544	cmd.exe	36
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38
PID 1096 wrote to memory of 3000	1096	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe
"C:\Users\Admin\AppData\Local\Temp\5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688

C:\Windows\system32\taskeng.exe
taskeng.exe {1E1902B5-004D-4E64-85CA-7A3C1E97F352} S-1-5-21-2958949473-3205530200-1453100116-1000:WHMFPZKA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe

Filesize
479KB

MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
memory/1748-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1748-1-0x0000000000E30000-0x0000000000EAE000-memory.dmp

Filesize
504KB

Download
memory/1748-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-3-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1748-4-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-18-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-22-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2804-23-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/2804-24-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2804-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3000-27-0x0000000000F40000-0x0000000000FBE000-memory.dmp

Filesize
504KB

Download