nanocore | a537775693835bcb7faf5df32a53cc4b0e13ca1ad654b9d4ecb594783e5c70f9

General

Target

815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe
Size

280KB
MD5

815e66cd30f5cf0e569245cd9408e940
SHA1

344adc99cc2e69d748cba72d0c27cae203534a7d
SHA256

a537775693835bcb7faf5df32a53cc4b0e13ca1ad654b9d4ecb594783e5c70f9
SHA512

e70583b1e5254ea0cdc9b8642a0aa9af41162207bfaf5661f0c419a939f9ea0a51415231ffd9ee6e038bd647725a8660f41ec7a397edf053fda8c6d2c657e1a4
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfo:boSeGUA5YZazpXUmZhZ6S5

Score

10^/10

nanocore 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

2732 a1punf5t2of.exe
2620 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exea1punf5t2of.exe

pid process

1576 815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe
2732 a1punf5t2of.exe

pid	process
2732	a1punf5t2of.exe
2620	a1punf5t2of.exe

pid	process
1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe
2732	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.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 2732 set thread context of 2620 2732 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a1punf5t2of.exe

pid process

2620 a1punf5t2of.exe
2620 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2620 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2620 a1punf5t2of.exe

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

description	pid	process	target process
PID 2732 set thread context of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2620	a1punf5t2of.exe
2620	a1punf5t2of.exe

pid	process
2620	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2620	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exea1punf5t2of.exe

description	pid	process	target process
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 1576 wrote to memory of 2732	1576	815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe
PID 2732 wrote to memory of 2620	2732	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\815e66cd30f5cf0e569245cd9408e940_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1576

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
- Suspicious use of WriteProcessMemory
PID:2732

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2620

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
280KB

MD5
66969c13de83f94f3a39cb12565e85fa

SHA1
d335530d28ada2df89878713bda0f17f2b153fc4

SHA256
df2fc171342d83aba009105367f885724ae88f29b668424977e7ae174358fcbe

SHA512
4bab8ed15cbd70e56f232e770dc69f92744fa26f11077743143625bbb388247fd3eeec123bc786fd0390e4c0d12cb99f7408a4406b9d2b54a885aafd880ac466

Download Submit
memory/1576-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

Filesize
4KB

Download
memory/1576-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/1576-2-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/1576-3-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/1576-12-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-13-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-15-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-14-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-37-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads