nanocore | 1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01

General

Target

1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe
Size

279KB
MD5

5000b1b4933af0218b2e01a19d178867
SHA1

c56267a69750f92ab75b7174b6a48226734aed85
SHA256

1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01
SHA512

d070b7de1a5d8a11c20c794dfe64ecafff6e5bcbf7e7c67111d82c9fb3889b3de4930674a08886014913b223c53d91bd8560f4b35d08e2daabbe45b72e369869
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fL:boSeGUA5YZazpXUmZhZ6j

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
2412	a1punf5t2of.exe
2652	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe
2412	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.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 2412 set thread context of 2652	2412	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	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.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
2652	a1punf5t2of.exe
2652	a1punf5t2of.exe
2652	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2652	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 1720 wrote to memory of 2412	1720	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	31
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32
PID 2412 wrote to memory of 2652	2412	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe
"C:\Users\Admin\AppData\Local\Temp\1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- 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:2412
- - 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:2652

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
279KB

MD5
0ca67c5eece4f096cee2f2f10c753cb1

SHA1
b0d24c3541e129bf80e417ca686e4334c0a1b4cc

SHA256
3f2fe48429e44afd51cb33b6cb02cbd5fe4491d94a73914a6d9b15274a971935

SHA512
1061392bd54345feb4d43395b92af4d720a8c37896a1262e8672f256dfc766f7f83beef28752cda3b8794af5c71aeebbf3cfcb25dd59573d35db9c8e069ee581

Download Submit
memory/1720-15-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-3-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-2-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-4-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-5-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-6-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-1-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-0-0x00000000743D1000-0x00000000743D2000-memory.dmp

Filesize
4KB

Download
memory/2412-18-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-17-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-42-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-19-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-16-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-20-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads