nanocore | f9a29be25f6de5b0d144453a5f97bdbb076416bd73f6ea369aa5728aac71df49

General

Target

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
Size

646KB
MD5

122869186f62a4ea5a47d42edad01dd0
SHA1

6e88ca2463a31b07d448dd9d0116d6f2adc2159c
SHA256

f9a29be25f6de5b0d144453a5f97bdbb076416bd73f6ea369aa5728aac71df49
SHA512

fc5f50967008086f5e9bc5846a6a12388f4dcf7da6cf223b5a9ed61ee817f206e2386483aeb225c420fa3c02a6959ecf40ef7911887a0bd266d738de44cbce33
SSDEEP

12288:Eu/osQMgL96w0SVvV6fcaubLH31O2lxvdJGtKc/5kkfi1MgxdsKfr3e3g8C1DuR7:Eur9gkEPGcHHX1OSr/cnqGodhz3cp4o7

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

213.184.126.143:1993

Mutex

023e0719-23ff-48a0-a14a-16f92fea10e1

Attributes

activate_away_mode
true
backup_connection_host
213.184.126.143
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-01-21T14:43:07.916268436Z
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
1993
default_group
isreal
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
023e0719-23ff-48a0-a14a-16f92fea10e1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
213.184.126.143
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Drops startup file 1 IoCs

Processes:

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PasswordOnWakeSettingFlyout.url	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1628-0-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-1-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-2-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-3-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-4-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-5-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-6-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-23-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-24-0x0000000000610000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/1628-28-0x0000000000610000-0x0000000000758000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	RegAsm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe

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

AutoIT Executable 9 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/1628-1-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-2-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-3-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-4-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-5-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-6-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-23-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-24-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe
behavioral2/memory/1628-28-0x0000000000610000-0x0000000000758000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

description pid process target process

PID 1628 set thread context of 5108 1628 122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe RegAsm.exe

description	pid	process	target process
PID 1628 set thread context of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	RegAsm.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2732 schtasks.exe
4068 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

5108 RegAsm.exe
5108 RegAsm.exe
5108 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

5108 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 5108 RegAsm.exe

pid	process
2732	schtasks.exe
4068	schtasks.exe

pid	process
5108	RegAsm.exe
5108	RegAsm.exe
5108	RegAsm.exe

pid	process
5108	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	5108	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

pid	process
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

pid	process
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exeRegAsm.exe

description	pid	process	target process
PID 1628 wrote to memory of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe
PID 1628 wrote to memory of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe
PID 1628 wrote to memory of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe
PID 1628 wrote to memory of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe
PID 1628 wrote to memory of 5108	1628	122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe	RegAsm.exe
PID 5108 wrote to memory of 2732	5108	RegAsm.exe	schtasks.exe
PID 5108 wrote to memory of 2732	5108	RegAsm.exe	schtasks.exe
PID 5108 wrote to memory of 2732	5108	RegAsm.exe	schtasks.exe
PID 5108 wrote to memory of 4068	5108	RegAsm.exe	schtasks.exe
PID 5108 wrote to memory of 4068	5108	RegAsm.exe	schtasks.exe
PID 5108 wrote to memory of 4068	5108	RegAsm.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\122869186f62a4ea5a47d42edad01dd0_NeikiAnalytics.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp97E6.tmp"
3⤵
- Creates scheduled task(s)
PID:2732

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9844.tmp"
3⤵
- Creates scheduled task(s)
PID:4068

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp97E6.tmp
Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9844.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/1628-4-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-1-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-0-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-5-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-6-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-3-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-12-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/1628-28-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-24-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-23-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/1628-2-0x0000000000610000-0x0000000000758000-memory.dmp

Filesize
1.3MB

Download
memory/5108-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5108-15-0x0000000073890000-0x0000000073E41000-memory.dmp

Filesize
5.7MB

Download
memory/5108-14-0x0000000073890000-0x0000000073E41000-memory.dmp

Filesize
5.7MB

Download
memory/5108-13-0x0000000073892000-0x0000000073893000-memory.dmp

Filesize
4KB

Download
memory/5108-29-0x0000000073892000-0x0000000073893000-memory.dmp

Filesize
4KB

Download
memory/5108-30-0x0000000073890000-0x0000000073E41000-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