nanocore | 7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16

General

Target

7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe
Size

281KB
MD5

fec8880b592f75720bc73d1a4107be10
SHA1

247e21a208d5ee43fae4a3fa16b0951af3a1d318
SHA256

7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16
SHA512

e47f4a24236e76256cb8985e25d6234d6ccf71b5a731efa3d23aa3c4bdf2570d73e56fdf543b7f0c4373f63470329b6c8ceff86653933e273709e4710f500a81
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfX:boSeGUA5YZazpXUmZhZ6Si

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

pid	Process
2812	a1punf5t2of.exe
2604	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe
2812	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.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 2812 set thread context of 2604	2812	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	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2604	a1punf5t2of.exe
2604	a1punf5t2of.exe
2604	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2384 wrote to memory of 2812	2384	7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe	31
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2604	2812	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe
"C:\Users\Admin\AppData\Local\Temp\7cbdf35095d016ca1865b83c3c60ee8e6a648c9168e586f6bd867f2d30a56d16N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:2812
- - 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:2604

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
281KB

MD5
3bb3882c32044aa4d92924b6e79ce4cd

SHA1
8d7f66c5625a9ea3491c9eedf0ee6d2ade4b13ee

SHA256
d6173e325c95ea769dcad0b9dc8fdab4a2fcb20557805c8265fc4e4098ab70b3

SHA512
f5769899e49c1984ef4fcc07c8cf420c4107092d6086c5aa379b52ca05a433ee665804f8631b41d58ce54e1f99feb069778874cb0f11d96c21c889f39bafbe95

Download Submit
memory/2384-14-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-1-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-2-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-3-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-4-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-5-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-0-0x00000000748C1000-0x00000000748C2000-memory.dmp

Filesize
4KB

Download
memory/2604-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-36-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2604-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-19-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-21-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-15-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-20-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-16-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-18-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-17-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-39-0x00000000748C0000-0x0000000074E6B000-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