nanocore | adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254

General

Target

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe
Size

254KB
MD5

2ec16db571ff27a7e242703551b0be00
SHA1

f4dfacf6ee15eea387eabd86f879fe2d1cd75a84
SHA256

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254
SHA512

b675d7cb5b8d548c9925b3d266158b619f4fc0d4748befb46994b735d7b9cb8ad1936b53d05c9474a977535e51f342d6bdbca6bbb4f4808c2d4399b1fe5a979d
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+Ke:EeGUA5YZazpXUmZhlKe

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

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2848 a1punf5t2of.exe
1116 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exea1punf5t2of.exe

pid process

816 adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe
2848 a1punf5t2of.exe

pid	process
2848	a1punf5t2of.exe
1116	a1punf5t2of.exe

pid	process
816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe
2848	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.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 target process

PID 2848 set thread context of 1116 2848 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	pid	process	target process
PID 2848 set thread context of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe

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:

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exea1punf5t2of.exea1punf5t2of.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.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

Processes:

a1punf5t2of.exe

pid process

1116 a1punf5t2of.exe
1116 a1punf5t2of.exe
1116 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1116 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1116 a1punf5t2of.exe

pid	process
1116	a1punf5t2of.exe
1116	a1punf5t2of.exe
1116	a1punf5t2of.exe

pid	process
1116	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1116	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exea1punf5t2of.exe

description	pid	process	target process
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 816 wrote to memory of 2848	816	adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe
PID 2848 wrote to memory of 1116	2848	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe
"C:\Users\Admin\AppData\Local\Temp\adb7f35e18136752ad8f0adf47a42abbb7e75a9b35c8ae48e791efa59a6c5254N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- 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:2848
- - 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:1116

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
254KB

MD5
c96914821c8935c77009084e5f0e5a35

SHA1
b2d4b1fbccfa2e9bfd5d80e808938fddc78be8db

SHA256
a2ece49669a31e623b899521c3c5f48ea4dbd7f6306cfcf9acb392ec8b2afa8e

SHA512
34a0c5f56b2cf9a9be19aa000b590f490758f5b0a14bce86968e18959c59d988ae2348121a5825caebe3987b6285927042498aa7c23e0527ee7fa26e0f9c86bc

Download Submit
memory/816-15-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-1-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-2-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-3-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-4-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-5-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-6-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/816-0-0x00000000742E1000-0x00000000742E2000-memory.dmp

Filesize
4KB

Download
memory/1116-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1116-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-16-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-20-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-17-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-19-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-18-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-42-0x00000000742E0000-0x000000007488B000-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