nanocore | 99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 02:22

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General

Target

99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe
Size

349KB
MD5

75d6e84145a22c3da06bbf6caed60668
SHA1

4fe0463268f5d056ee71c29ddcbb492dce02d8d5
SHA256

99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3
SHA512

a9c0080e0581332c08bcf80d03a7bc7dfbd0824f9e947814f08fcb1078d767599683c800f60882b32edb688821bc66fa349ad1eab3a76664f3a967bc7ad1be49
SSDEEP

6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpIF:FB1Q6rpr7MrswfLjGwW5xFdRyJpo

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

bemery2.no-ip.biz:57628

127.0.0.1:57628

Mutex

997af15f-5576-4030-975c-eb3264fb6789

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-04-23T21:31:33.540664436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
57628
default_group
grace
enable_debug_mode
true
gc_threshold
1.048576e+08
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+09
mutex
997af15f-5576-4030-975c-eb3264fb6789
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
bemery2.no-ip.biz
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
1.2.2.2
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
4564	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.exe"	RegAsm.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 3940 set thread context of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	RegAsm.exe

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 16 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	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 13 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
620	ping.exe
4496	ping.exe
4472	ping.exe
4756	ping.exe
2468	ping.exe
3532	ping.exe
4368	ping.exe
4372	ping.exe
1028	ping.exe
2180	ping.exe
2312	ping.exe
4416	ping.exe
3048	ping.exe

Runs ping.exe 1 TTPs 13 IoCs

Remote System Discovery

T1018

pid	Process
4368	ping.exe
620	ping.exe
1028	ping.exe
2180	ping.exe
3048	ping.exe
2468	ping.exe
3532	ping.exe
2312	ping.exe
4416	ping.exe
4372	ping.exe
4496	ping.exe
4472	ping.exe
4756	ping.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4628	RegAsm.exe
4628	RegAsm.exe
4628	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4628	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe
Token: SeDebugPrivilege	4628	RegAsm.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4496	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	93
PID 3940 wrote to memory of 4496	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	93
PID 3940 wrote to memory of 4496	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	93
PID 3940 wrote to memory of 4472	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	100
PID 3940 wrote to memory of 4472	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	100
PID 3940 wrote to memory of 4472	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	100
PID 3940 wrote to memory of 1028	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	106
PID 3940 wrote to memory of 1028	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	106
PID 3940 wrote to memory of 1028	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	106
PID 3940 wrote to memory of 4756	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	109
PID 3940 wrote to memory of 4756	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	109
PID 3940 wrote to memory of 4756	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	109
PID 3940 wrote to memory of 2468	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	112
PID 3940 wrote to memory of 2468	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	112
PID 3940 wrote to memory of 2468	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	112
PID 3940 wrote to memory of 2180	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	116
PID 3940 wrote to memory of 2180	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	116
PID 3940 wrote to memory of 2180	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	116
PID 3940 wrote to memory of 3532	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	118
PID 3940 wrote to memory of 3532	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	118
PID 3940 wrote to memory of 3532	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	118
PID 3940 wrote to memory of 2312	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	121
PID 3940 wrote to memory of 2312	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	121
PID 3940 wrote to memory of 2312	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	121
PID 3940 wrote to memory of 4416	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	130
PID 3940 wrote to memory of 4416	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	130
PID 3940 wrote to memory of 4416	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	130
PID 3940 wrote to memory of 3048	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	133
PID 3940 wrote to memory of 3048	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	133
PID 3940 wrote to memory of 3048	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	133
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4628	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	136
PID 3940 wrote to memory of 4564	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	137
PID 3940 wrote to memory of 4564	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	137
PID 3940 wrote to memory of 4564	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	137
PID 3940 wrote to memory of 4368	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	139
PID 3940 wrote to memory of 4368	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	139
PID 3940 wrote to memory of 4368	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	139
PID 3940 wrote to memory of 4372	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	150
PID 3940 wrote to memory of 4372	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	150
PID 3940 wrote to memory of 4372	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	150
PID 3940 wrote to memory of 620	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	153
PID 3940 wrote to memory of 620	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	153
PID 3940 wrote to memory of 620	3940	99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe	153

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4564	attrib.exe

C:\Users\Admin\AppData\Local\Temp\99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe
"C:\Users\Admin\AppData\Local\Temp\99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4496
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4472
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:1028
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4756
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:2468
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:2180
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:3532
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:2312
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4416
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:3048
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4628
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h C:\Users\Admin\AppData\Local\Temp\99e02e2915db79a393f066e24150ac61ded169f7046035f986a3228d6c6094c3.exe
  2⤵
  - Sets file to hidden
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:4564
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4368
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4372
- C:\Windows\SysWOW64\ping.exe
  C:\Windows\System32\ping.exe google.com
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3940-0-0x0000000075592000-0x0000000075593000-memory.dmp

Filesize
4KB

Download
memory/3940-1-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/3940-2-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/3940-4-0x0000000075592000-0x0000000075593000-memory.dmp

Filesize
4KB

Download
memory/3940-5-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/4628-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download