nanocore | a7be279163494aaf2132336eceddb5bbc397b44bb95e2c92ab2ca31d61e5cf0c

Analysis

max time kernel
138s
max time network
146s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19-06-2024 08:53

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General

Target

ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe
Size

280KB
MD5

ae3767146c71a6b10de116b95662dcd0
SHA1

59699072f67ed8bd2307b6995c0d9461e0c074d1
SHA256

a7be279163494aaf2132336eceddb5bbc397b44bb95e2c92ab2ca31d61e5cf0c
SHA512

4c572de64115b61ed03d315f61bc893220e4d2306dab1ef458ff09285b2987b364ffa1e409ee3f9f5f7f80b07dc028fb527b124be047e7ee264bf5766cf53b41
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfK:boSeGUA5YZazpXUmZhZ6Sj

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

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

2748 a1punf5t2of.exe
2644 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exea1punf5t2of.exe

pid process

2756 ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe
2748 a1punf5t2of.exe

pid	process
2748	a1punf5t2of.exe
2644	a1punf5t2of.exe

pid	process
2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe
2748	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	ae3767146c71a6b10de116b95662dcd0_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 2748 set thread context of 2644 2748 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

2644 a1punf5t2of.exe
2644 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2644 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2644 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 2748 set thread context of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2644	a1punf5t2of.exe
2644	a1punf5t2of.exe

pid	process
2644	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2644	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exea1punf5t2of.exe

description	pid	process	target process
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2756 wrote to memory of 2748	2756	ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe
PID 2748 wrote to memory of 2644	2748	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\ae3767146c71a6b10de116b95662dcd0_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2756

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:2748

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:2644

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

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

MD5
2a306ddb77896e0855b36ba35b88cfb5

SHA1
2eafd5d894a7934b394a75c75f6cb9d72e99d569

SHA256
1a8e8a5f15855d8dc3aab930492f6fce027050329840c34a7b92575b2a74da4c

SHA512
3289ea8aa47e2e6a40e8de0208d28aa7d7700e394c441a2d2aaffa46eb612ad21c457af529f60204f43dd598eb4970e0d28c684985e82cfdfff11477a5a92256

Download Submit
memory/2644-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-34-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2644-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-14-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-12-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-36-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-13-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-0-0x0000000074831000-0x0000000074832000-memory.dmp

Filesize
4KB

Download
memory/2756-2-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-1-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-3-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download