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

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe

Executes dropped EXE 2 IoCs

pid	Process
1128	a1punf5t2of.exe
4200	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-1-5-21-1045960512-3948844814-3059691613-1000\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 1128 set thread context of 4200	1128	a1punf5t2of.exe	97

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
4200	a1punf5t2of.exe
4200	a1punf5t2of.exe
4200	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4200	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4200	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 1128	2956	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	90
PID 2956 wrote to memory of 1128	2956	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	90
PID 2956 wrote to memory of 1128	2956	1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe	90
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97
PID 1128 wrote to memory of 4200	1128	a1punf5t2of.exe	97

C:\Users\Admin\AppData\Local\Temp\1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe
"C:\Users\Admin\AppData\Local\Temp\1edd4d8a0bbab98ea09b9c7a52f3ab8c6beba6ff36b5f66f5fd9f8ca66d4cc01.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- 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:1128
- - 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:4200

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
279KB

MD5
64fc673aee34cea89dfc9a7cbf09b44e

SHA1
867fc93067989a77ff371e24cfd75a47535dd139

SHA256
9d00a3d30fb4dcdd415b298fbf0ab72030de2af3da51ab0dd29d21f7ddebed2b

SHA512
0f0581fb7b418a6ca6e8803430caed08726a2851de22d2c684d1bbc0cb7fa411e0b3974e42348a0545d19f6342de5165a7c8eb1d0f52da162cc54cd066aad30f

Download Submit
memory/1128-42-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-27-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-26-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-25-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-24-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-22-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1128-23-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-7-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/2956-6-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-5-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-21-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-4-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/2956-3-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2956-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4200-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4200-33-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-34-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-35-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-37-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-38-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-39-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-40-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4200-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4200-43-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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