nanocore | 6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930

General

Target

6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe
Size

255KB
MD5

3814b1e3275621d0fd2d800b66c37460
SHA1

aec0738d7c89a5ff5d5486616519aaaaf40f7c01
SHA256

6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930
SHA512

df80fec77c5649539a596ad1d06f1a3f9049015ac61b61d4ba1d891d28fb866ea992d66f8f8b215a742b81ba5d2d7e9c202a8c832944dcc0b47b245da9663bcc
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ9A:EeGUA5YZazpXUmZhmA

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
2908	a1punf5t2of.exe
2764	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe
2908	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.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 2908 set thread context of 2764	2908	a1punf5t2of.exe	30

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	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.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
2764	a1punf5t2of.exe
2764	a1punf5t2of.exe
2764	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2412 wrote to memory of 2908	2412	6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe	29
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30
PID 2908 wrote to memory of 2764	2908	a1punf5t2of.exe	30

C:\Users\Admin\AppData\Local\Temp\6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe
"C:\Users\Admin\AppData\Local\Temp\6ce44f34bd45f608f0d6f7078eb8f662258f046d1c1ba19a1f9da2a475632930N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- 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"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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:2764

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
255KB

MD5
dc0d210e807cb89936ee2921d6235bd3

SHA1
cee17873343255d2b6c8aa3fe99e703279556d97

SHA256
ed96e14a9b4735c3cdbaac2b1b8016ae7af54db85c3595859c5fa2d09db7c484

SHA512
c9493071f58c9fdc72628ae4437afcaed4a05ad24bef2cb13d79ec5592aaf30bc09779d5b6f7b3fbcb51dddaaf8e79bac5d654731c521bfa8e9a1c0790ec4b27

Download Submit
memory/2412-0-0x0000000074AE1000-0x0000000074AE2000-memory.dmp

Filesize
4KB

Download
memory/2412-1-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-2-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-3-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-4-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-5-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-14-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2764-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2908-19-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-21-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-16-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-20-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-15-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-18-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-17-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-41-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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