nanocore | 752cd626a9f3e937dbfc5d0f51615df342517a44ea5ae382931e44b1e583d042

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 23:17

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General

Target

c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe
Size

1.4MB
MD5

c1d783218c08ec713b483b0e51da0140
SHA1

5d5ab698f686b9f35aec0a27228f9459f7574a6b
SHA256

752cd626a9f3e937dbfc5d0f51615df342517a44ea5ae382931e44b1e583d042
SHA512

8899bdacaecb9b4dde82316da0034d40d540413763bfa9565338ad86d4a4adc7adeb29a60a1c872432fb537b493e0bf4da6c422f89a32f44a76b5a5859edcdda
SSDEEP

24576:6AHnh+eWsN3skA4RV1Hom2KXMmHaYDBNkmBRGEMdSR5ADIAsG/jJ45U:Nh+ZkldoPK8YaZSeIAmU

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

bnow.duckdns.org:4156

Mutex

fc4000c4-f8ec-42dc-a0ad-1edfd7548ceb

Attributes

activate_away_mode
true
backup_connection_host
bnow.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-20T04:39:27.808758936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4156
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
fc4000c4-f8ec-42dc-a0ad-1edfd7548ceb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bnow.duckdns.org
primary_dns_server
8.8.8.8
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
1260	igfxEM.exe
2712	igfxEM.exe

Loads dropped DLL 2 IoCs

pid	Process
1260	igfxEM.exe
2712	igfxEM.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	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000015cdb-21.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1260 set thread context of 2280	1260	igfxEM.exe	37
PID 2712 set thread context of 1944	2712	igfxEM.exe	41

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2632	schtasks.exe
2600	schtasks.exe
2708	schtasks.exe
308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2272	RegAsm.exe
2272	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2272	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	RegAsm.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 1712 wrote to memory of 2272	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	28
PID 2272 wrote to memory of 2632	2272	RegAsm.exe	29
PID 2272 wrote to memory of 2632	2272	RegAsm.exe	29
PID 2272 wrote to memory of 2632	2272	RegAsm.exe	29
PID 2272 wrote to memory of 2632	2272	RegAsm.exe	29
PID 1712 wrote to memory of 2600	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	31
PID 1712 wrote to memory of 2600	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	31
PID 1712 wrote to memory of 2600	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	31
PID 1712 wrote to memory of 2600	1712	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	31
PID 2612 wrote to memory of 1260	2612	taskeng.exe	36
PID 2612 wrote to memory of 1260	2612	taskeng.exe	36
PID 2612 wrote to memory of 1260	2612	taskeng.exe	36
PID 2612 wrote to memory of 1260	2612	taskeng.exe	36
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2280	1260	igfxEM.exe	37
PID 1260 wrote to memory of 2708	1260	igfxEM.exe	38
PID 1260 wrote to memory of 2708	1260	igfxEM.exe	38
PID 1260 wrote to memory of 2708	1260	igfxEM.exe	38
PID 1260 wrote to memory of 2708	1260	igfxEM.exe	38
PID 2612 wrote to memory of 2712	2612	taskeng.exe	40
PID 2612 wrote to memory of 2712	2612	taskeng.exe	40
PID 2612 wrote to memory of 2712	2612	taskeng.exe	40
PID 2612 wrote to memory of 2712	2612	taskeng.exe	40
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 1944	2712	igfxEM.exe	41
PID 2712 wrote to memory of 308	2712	igfxEM.exe	42
PID 2712 wrote to memory of 308	2712	igfxEM.exe	42
PID 2712 wrote to memory of 308	2712	igfxEM.exe	42
PID 2712 wrote to memory of 308	2712	igfxEM.exe	42

C:\Users\Admin\AppData\Local\Temp\c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A16.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:2600

C:\Windows\system32\taskeng.exe
taskeng.exe {2A2E21C0-E0E2-4745-AF54-CD9F2496DEAF} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\WinSAT\igfxEM.exe
  C:\Users\Admin\WinSAT\igfxEM.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2280
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:2708
- C:\Users\Admin\WinSAT\igfxEM.exe
  C:\Users\Admin\WinSAT\igfxEM.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1944
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1A16.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
C:\Users\Admin\WinSAT\igfxEM.exe

Filesize
1.4MB

MD5
114ad6f77c3d291cfe8c2d46f7a4ee5e

SHA1
4e4d0e7bb922cadcd39c0820bd0293a4a01d2fff

SHA256
bf6b0e02968afc5cab435db2cf9855a927068d89449bd40c3bdcc3b2c3e2bac8

SHA512
d7c5fe0367dc9698e2971cc64b204db642233b4e46b636c823e70b03afc7857a2fb2f1d33d034014bb4a28f3e78650e44133f52601edaa33581a5d297591dd7c

Download Submit
C:\Users\Admin\azroles.lnk

Filesize
723B

MD5
000ecb8e0fd30111e5407661de38850f

SHA1
01b98e2649156aee219799c87a45911a38204853

SHA256
f3767405dac3cb30f918316c40b9b88d1e00595ceda0b33a75956b0a15a8e523

SHA512
6c4eaa9b51400bb5b9f71a2d6d00a64d8ee97ad0c6f389147bdedc2857bf26c8693fab96ab1b19485a3395097bafe9ee4e22cdf6db5113ea113e7a9917622480

Download Submit
memory/1712-0-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2272-10-0x00000000741C2000-0x00000000741C4000-memory.dmp

Filesize
8KB

Download
memory/2272-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2272-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2272-15-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2272-19-0x00000000741C2000-0x00000000741C4000-memory.dmp

Filesize
8KB

Download
memory/2272-20-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2272-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2272-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download