nanocore | d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59

General

Target

d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe
Size

279KB
MD5

27d96d57a5469f711dcc3901b5647530
SHA1

5346b1e704650d29e5be10170744adfdd55738d9
SHA256

d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59
SHA512

85c4983b33ff004f69e4dd7d94596516d0f7a76760b71727ee5605fef6d35475235f250e868bf346470d6ec5c79ff7a7bde9dcf12f031427760db244b2662b4c
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fB:boSeGUA5YZazpXUmZhZ6p

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

Executes dropped EXE 2 IoCs

pid	Process
2908	a1punf5t2of.exe
2656	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe
2908	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.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 2908 set thread context of 2656	2908	a1punf5t2of.exe	32

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	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.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
2656	a1punf5t2of.exe
2656	a1punf5t2of.exe
2656	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2076 wrote to memory of 2908	2076	d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe	31
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32
PID 2908 wrote to memory of 2656	2908	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe
"C:\Users\Admin\AppData\Local\Temp\d0e4ac25dd052fc6f084574b934edde4b2d028c3cb5c27c58d159712c09daa59N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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:2656

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

System Information Discovery

2

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
280KB

MD5
94af49db50df6c3b5203f77c207fb51d

SHA1
0efb9b25e6e4723fdc826fcbc97772350734c54f

SHA256
ad4ea3c374027cd5da0c19c45eba400a4913505960827248865e7053d9bfd060

SHA512
6dacd5f16a39a66a1ef27753facec0e91b975f2ed97330d4686569b856f5b2f33f0e3b2738f289629d94046e8571bb750b8f74be6d0c6a780645b8769359dc71

Download Submit
memory/2076-15-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-1-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-2-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-3-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-4-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-5-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2076-0-0x0000000074991000-0x0000000074992000-memory.dmp

Filesize
4KB

Download
memory/2656-36-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2908-19-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-16-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-14-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-18-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-17-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-40-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads