nanocore | c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7ea

General

Target

c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe
Size

416KB
MD5

398c4d3b2a0156982c35332adaac7090
SHA1

9ea70229dbab165a63e424a5ac1391f274594055
SHA256

c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7ea
SHA512

95c3139041e06fdb2d8f820896adfebbc0150eaf9e8a9b9a7f9875b3356dae95423d3b49d5d44893a2e9cafb3947816371cf690d2fe58bde2be6cfbae37de2a5
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7h:ITNYrnE3bm/CiejewY5vK

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	ximo2ubzn1i.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.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	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3060 set thread context of 4608	3060	ximo2ubzn1i.exe	83

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	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4608	regasm.exe
4608	regasm.exe
4608	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4608	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 3060	4420	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe	82
PID 4420 wrote to memory of 3060	4420	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe	82
PID 4420 wrote to memory of 3060	4420	c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe	82
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83
PID 3060 wrote to memory of 4608	3060	ximo2ubzn1i.exe	83

C:\Users\Admin\AppData\Local\Temp\c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe
"C:\Users\Admin\AppData\Local\Temp\c0696b79658b329f924b4b3261817bdb0954fd900facfad1df837db6f310c7eaN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4608

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
416KB

MD5
b4a1e0714c1d1adc593ca68fcbc44f91

SHA1
1e6c6c98f114e494f8d3aa55ad8fc6c83bf683ad

SHA256
21e2cb92af002853af164e2ca98838f27d8e7afbe0cf9824bc3cfbd4a3259776

SHA512
11a612907da56044669b6dd689b863088d9f4687d595feff8501e175aab184f537e50b2fa90b25b43ada4a44e47e6004d7ebc8444e8379041e9eef0ba9b9c85c

Download Submit
memory/3060-35-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3060-33-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3060-22-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3060-21-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-5-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-6-0x0000000005390000-0x00000000053CC000-memory.dmp

Filesize
240KB

Download
memory/4420-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4420-20-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4420-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/4420-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/4420-1-0x0000000000570000-0x00000000005DE000-memory.dmp

Filesize
440KB

Download
memory/4420-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/4608-27-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4608-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4608-28-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/4608-30-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/4608-31-0x0000000005470000-0x000000000548E000-memory.dmp

Filesize
120KB

Download
memory/4608-32-0x0000000005F50000-0x0000000005F5A000-memory.dmp

Filesize
40KB

Download
memory/4608-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4608-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4608-36-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads