nanocore | 2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274

General

Target

2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe
Size

281KB
MD5

6519f56f87de8e1435b20e8a4bbab234
SHA1

256c83d653f0e8609daf9c4e494c239fd3aa7b08
SHA256

2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274
SHA512

fc6c829bef11b874a29bc5c5ec0fec485628027c387f94e554fbbe56da75be748dd47d64417a4e6bd24ad45fd304340b85558420dad726ed144d7ea93ffc70dd
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkft:boSeGUA5YZazpXUmZhZ6Sw

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

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe

Executes dropped EXE 2 IoCs

pid	Process
1440	a1punf5t2of.exe
1168	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.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 1440 set thread context of 1168	1440	a1punf5t2of.exe	87

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	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.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
1168	a1punf5t2of.exe
1168	a1punf5t2of.exe
1168	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1168	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1440	2976	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe	86
PID 2976 wrote to memory of 1440	2976	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe	86
PID 2976 wrote to memory of 1440	2976	2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe	86
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87
PID 1440 wrote to memory of 1168	1440	a1punf5t2of.exe	87

C:\Users\Admin\AppData\Local\Temp\2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe
"C:\Users\Admin\AppData\Local\Temp\2468d8c314e35346873e34e7e7301de5c8d60a01602803a5f6af95e058b34274.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:1440
- - 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:1168

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
281KB

MD5
dac1fa9447dd92b9346dc54d3c2774d2

SHA1
7fac3c676a89312d68ac477320ce136589135922

SHA256
447bbbbb104a8fe84399b62632c93c72184648ea74a6275bde9ffdd2d5c32ffc

SHA512
7f616785bc631268a3017ad7f481ef69ad8d0a83a8d09efed86ff1a3f2943b1949c7514441a3da34a28823f94f7f070d5abee50d8c3e5f03caa3aa9d152f5c13

Download Submit
memory/1168-26-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1168-34-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1168-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1168-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1168-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1168-33-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1168-29-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1168-27-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1440-18-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1440-20-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1440-19-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1440-30-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/1440-32-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/2976-3-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/2976-1-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/2976-0-0x0000000075462000-0x0000000075463000-memory.dmp

Filesize
4KB

Download
memory/2976-2-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/2976-17-0x0000000075460000-0x0000000075A11000-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