nanocore | 24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e

General

Target

24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe
Size

255KB
MD5

b59d113453f6acb572f60b43f13fda5a
SHA1

56e5a19e9110d1b7b8ee5d47493f47e11350244e
SHA256

24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e
SHA512

67cd9e148dbbe7085718a79b7c03664f54d4779b43dcc750a7d04f92489e8015f0c3ec7a2a505400fb3fe4459089ea0ea7a6ef9fa6a88bc4e2a23e4e8446bdfa
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQS4l:EeGUA5YZazpXUmZh94l

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
2832	a1punf5t2of.exe
2740	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe
2832	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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.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 2832 set thread context of 2740	2832	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	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.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
2740	a1punf5t2of.exe
2740	a1punf5t2of.exe
2740	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 1272 wrote to memory of 2832	1272	24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe	31
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32
PID 2832 wrote to memory of 2740	2832	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe
"C:\Users\Admin\AppData\Local\Temp\24ea519a0d7aede071c5aebec16ab14bf9cbf943cb017aea2ef7d1790572af3e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1272
- 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:2832
- - 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:2740

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
256KB

MD5
fdd604a6aeb406e6d9b12a68ef31fc19

SHA1
7f9b97d3e6d6080682c44a1dc14f56c1fa2cdbaf

SHA256
cdac28c19e399ba50e7e964f96148512f60c3f3599d091b9565c6c05ce3e3284

SHA512
0c3804d5f64d2add7e15227b1649b813838209ecb1442793c3ac16f1e8332345fec0945c7908652a4a90284b02be7ccf3e97c1ffcae941863cc20437167e41f8

Download Submit
memory/1272-15-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-3-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-4-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-5-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/2740-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-41-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2832-19-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-21-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-16-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-20-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-17-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-18-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-14-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-43-0x0000000074CC0000-0x000000007526B000-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