nanocore | 9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13

General

Target

9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe
Size

282KB
MD5

d312c103a4331fdbc513603b7cde3be3
SHA1

369f521073350ecc7c84c97b388af5139c7b4a49
SHA256

9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13
SHA512

259a5fe87093e17efa6d5adbac2bfd87d41c1ebcbf0e13507f1f2e5629f5ad64826b6286aa2a2357484eb99be915ff9f5e257e2bac44cee37a778a6956ba5ac4
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfMj:boSeGUA5YZazpXUmZhZ6SX

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

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid	Process
2820	a1punf5t2of.exe
1944	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

Processes:

9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exea1punf5t2of.exe

pid	Process
2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe
2820	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a1punf5t2of.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process	procid_target
PID 2820 set thread context of 1944	2820	a1punf5t2of.exe	31

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

Processes:

a1punf5t2of.exe9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exea1punf5t2of.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid	Process
1944	a1punf5t2of.exe
1944	a1punf5t2of.exe
1944	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid	Process
1944	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process
Token: SeDebugPrivilege	1944	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exea1punf5t2of.exe

description	pid	Process	procid_target
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2168 wrote to memory of 2820	2168	9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe	30
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31
PID 2820 wrote to memory of 1944	2820	a1punf5t2of.exe	31

C:\Users\Admin\AppData\Local\Temp\9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe
"C:\Users\Admin\AppData\Local\Temp\9c84e7d7ad3822d97d11e5024e506735813690472ff11c818fa949c171424b13.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- 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:2820
- - 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:1944

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

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
283KB

MD5
3fd6207cd938ab102c238ba2969c38f7

SHA1
9960574074ffa82f2d699fcf4ba2d24ee398db29

SHA256
e20577e60674176cabbbe414100a4d05ff1399e4a3af65bea4e7d20ae3f02308

SHA512
e6378b1d62df03d2af734a663660f8fac3bef587ad7ea4a52fe386934378cbce0ddf7cc1b397b4d3fb9fc455c988ee143fb86d22c9aa9e6035e2ee0eb07f832f

Download Submit
memory/1944-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1944-36-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2168-5-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-14-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-0-0x0000000074621000-0x0000000074622000-memory.dmp

Filesize
4KB

Download
memory/2168-4-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-3-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-2-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2168-1-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-17-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-18-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-16-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-15-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-40-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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