nanocore | d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06b

General

Target

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
Size

1.2MB
MD5

bad3c19592d655f499823caaf0b7ab10
SHA1

e3fdbf56fe0de463d6c48a91d7df0658931249f2
SHA256

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06b
SHA512

59e625531a3422aaf10cf767f9947750f8b0b41c5d6757cd7d6be5ad047954b9dd42222993dc721e351c205aa3912190601394ab09a42cc18b41c74fe4cf0f6a
SSDEEP

24576:gAHnh+eWsN3skA4RV1Hom2KXMmHa6dopCH35ISlAa+Ne+inxz5:Xh+ZkldoPK8Ya6doE35Io8K

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

setoff.ddns.net:1989

Mutex

08e1c386-8919-4b52-a86b-63c961368a8f

Attributes

activate_away_mode
true
backup_connection_host
setoff.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-03-02T10:12:31.478637336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1989
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
08e1c386-8919-4b52-a86b-63c961368a8f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
setoff.ddns.net
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

Processes:

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\powershell_ise.vbs	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

description	pid	Process	procid_target
PID 1292 set thread context of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

RegAsm.exed9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid	Process
2060	RegAsm.exe
2060	RegAsm.exe
2060	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid	Process
2060	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	2060	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

pid	Process
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

pid	Process
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe

description	pid	Process	procid_target
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30
PID 1292 wrote to memory of 2060	1292	d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe	30

C:\Users\Admin\AppData\Local\Temp\d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe
"C:\Users\Admin\AppData\Local\Temp\d9f680455784422a547c23d0b1e133db302001a460872fe9bd2d144f55a6e06bN.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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

memory/1292-3-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2060-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2060-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2060-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2060-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2060-13-0x0000000073EA2000-0x0000000073EA4000-memory.dmp

Filesize
8KB

Download
memory/2060-15-0x0000000073EA2000-0x0000000073EA4000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads