nanocore | 6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cb

General

Target

6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe
Size

282KB
MD5

31c459cd9032a06f69a76a127f351d40
SHA1

6514235dec2b484126b8efd4da3552c047b89525
SHA256

6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cb
SHA512

bb5dec7af7c2db4fdbcec36bcb9168f1c11d8698d059ceb625da409e1abd7fde031ea1fbd3c71ff0cb3ed54c0fb590b357d9140d1ae5e05e489075a300c0ee63
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkf9:boSeGUA5YZazpXUmZhZ6SY

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

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid	Process
2584	a1punf5t2of.exe
2304	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

Processes:

6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exea1punf5t2of.exe

pid	Process
1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe
2584	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.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	procid_target
PID 2584 set thread context of 2304	2584	a1punf5t2of.exe	31

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

Processes:

a1punf5t2of.exea1punf5t2of.exe6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid	Process
2304	a1punf5t2of.exe
2304	a1punf5t2of.exe
2304	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid	Process
2304	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process
Token: SeDebugPrivilege	2304	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exea1punf5t2of.exe

description	pid	Process	procid_target
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 1448 wrote to memory of 2584	1448	6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe	30
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31
PID 2584 wrote to memory of 2304	2584	a1punf5t2of.exe	31

C:\Users\Admin\AppData\Local\Temp\6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe
"C:\Users\Admin\AppData\Local\Temp\6d409ccff3c4145e6fce47d03e62da2af17d8e8b90278b7a974d9a14f1a382cbN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- 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:2584
- - 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:2304

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
282KB

MD5
9add413b48b3e5c63debfc01f95269c4

SHA1
bf5742b18ba8c7cc513ada53738ede4e5d264214

SHA256
cbf347ac7e134bf3f9c88a8bacde1c3aabb63599e5633feab2c0f90a0e37298a

SHA512
d66c7b98ab47edbf196757dca83bc3aa3ac4760d287595d01841ab1242e82702e9da1009f72a9766dc671f071c7407e50e43db32d7f9802bdffc362dc01c3d55

Download Submit
memory/1448-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/1448-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-3-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-4-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-5-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/1448-14-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2304-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2304-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-19-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-21-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-18-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-20-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-17-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-15-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-16-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2584-40-0x0000000074450000-0x00000000749FB000-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