nanocore | 2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1

General

Target

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe
Size

282KB
MD5

14f6b00161ba014980c46e816514f412
SHA1

eabaac07246410f41c204f5d23b8c37e3c292749
SHA256

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1
SHA512

67b0256a921e70e198b5a51610ab444b6bfbf4ba434aa4ffce4cb32c257dcbfcbf4051c2589f6ebbfd85a25afc05a7ec1dad29611a41a2c1902a1ec6d28bbda0
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfp:boSeGUA5YZazpXUmZhZ6Sk

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

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2824 a1punf5t2of.exe
2612 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exea1punf5t2of.exe

pid process

2400 2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe
2824 a1punf5t2of.exe

pid	process
2824	a1punf5t2of.exe
2612	a1punf5t2of.exe

pid	process
2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe
2824	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 2824 set thread context of 2612 2824 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 2824 set thread context of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe

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

Processes:

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exea1punf5t2of.exea1punf5t2of.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.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

Processes:

a1punf5t2of.exe

pid process

2612 a1punf5t2of.exe
2612 a1punf5t2of.exe
2612 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2612 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2612 a1punf5t2of.exe

pid	process
2612	a1punf5t2of.exe
2612	a1punf5t2of.exe
2612	a1punf5t2of.exe

pid	process
2612	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2612	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exea1punf5t2of.exe

description	pid	process	target process
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2400 wrote to memory of 2824	2400	2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe
PID 2824 wrote to memory of 2612	2824	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe
"C:\Users\Admin\AppData\Local\Temp\2e6958abfe264405fb1621cca6dfef6835248a5dff778d63895d29763a1652e1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- 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:2824
- - 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:2612

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

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

Filesize
282KB

MD5
6613df3eb5593e27d116f7d55faa2942

SHA1
a377659f4cae7c3986d1cbac122830d4a834a468

SHA256
0a240939ac35c4590e4eec87f67ee83afec199537c77d33beeb638e6556a2a3f

SHA512
dd7cfbc0d3ad653671ae0a80c15746d77d6f758123a221057b28ca5ef034360eb3c11ba0d6fd8f741e44e9b6d9e63900b7ca33466f0c86c469bc3e136bd09bd6

Download Submit
memory/2400-15-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-1-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-2-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-3-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-4-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-5-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-6-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-0-0x0000000074061000-0x0000000074062000-memory.dmp

Filesize
4KB

Download
memory/2612-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-21-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-16-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-17-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-20-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-18-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-19-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-40-0x0000000074060000-0x000000007460B000-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