nanocore | 118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9

General

Target

118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe
Size

255KB
MD5

47ad37204da7b0293b9ee2199c754ce9
SHA1

0c510f91fc89bf234a07ed17b314f9e68c44118e
SHA256

118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9
SHA512

07150ed4c206e23e82bdb078895cd17d38ff419fa1a2e53ef1d9199fdb69afe80177f52a1f710f6a1673b3521536971948df52113605084ebe4c387aa51d1c29
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+J:EeGUA5YZazpXUmZhlJ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
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
Nanocore family
nanocore

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	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe

Executes dropped EXE 2 IoCs

pid	Process
2080	a1punf5t2of.exe
2356	a1punf5t2of.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\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.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	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 2356	2080	a1punf5t2of.exe	99

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 3 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	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2356	a1punf5t2of.exe
2356	a1punf5t2of.exe
2356	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2356	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2080	2752	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe	98
PID 2752 wrote to memory of 2080	2752	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe	98
PID 2752 wrote to memory of 2080	2752	118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe	98
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99
PID 2080 wrote to memory of 2356	2080	a1punf5t2of.exe	99

C:\Users\Admin\AppData\Local\Temp\118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe
"C:\Users\Admin\AppData\Local\Temp\118a319dc808968d1c9fd1bd5055c8618e1bf0c7ba1735c6fd38b8406d4789e9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
255KB

MD5
03fef5bb0d857fb073e1d56230b1ddea

SHA1
4a0eb027c62e25000021f1b99dfd522f1c3b999a

SHA256
d1f9a0272cb8ffb7961c41300aec8b7e17fa1972e2f8f41f5c5399616ae1af16

SHA512
878561d45e08ed1868dbfb4580e9174388ef1d90db0c6fee7b65b997b743686350e77fe5df15ff8e358056afdba66f967a8cec4f095b0a238538699ed987dcd1

Download Submit
memory/2080-42-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-27-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-26-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-25-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-24-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-23-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2080-22-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-35-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-33-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-43-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-41-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-39-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-38-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-37-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-34-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2356-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2356-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2356-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-4-0x0000000074B52000-0x0000000074B53000-memory.dmp

Filesize
4KB

Download
memory/2752-2-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-0-0x0000000074B52000-0x0000000074B53000-memory.dmp

Filesize
4KB

Download
memory/2752-3-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-7-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-5-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-6-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-1-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2752-21-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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