nanocore | 792ace133ae4d03c26c1e389ca5877b8f7caa6c81de1317c7e1c951e19d0118c

Analysis

max time kernel
138s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 14:53 UTC

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General

Target

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Size

234KB
MD5

74c354622f46923bee5182ca63fc1143
SHA1

6da3cb0a0fc7f16d9dccb864215ccaf3f840129d
SHA256

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572
SHA512

f4232ee760c73db6158a4dd67a212e49d6d9b76d030be95b6089d3229551215efcb68c705b2fe2fa7ce8609a6f11381bfc70a054d55555ec36a4c993a0ec66f5
SSDEEP

6144:E7M9XS2Sf+57gXUYtltyOfYRd3UXon7qI8P5uwwW8oDLNxg:E4VB4UUlZYRd3UC7P+fwW8oDLP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

91.233.116.105:3389

127.0.0.1:3389

Mutex

810685ff-01a4-43b6-a373-41359790eaeb

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-07T14:02:20.733284136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
3389
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
810685ff-01a4-43b6-a373-41359790eaeb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.233.116.105
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.exe"	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.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	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Service\dpisv.exe	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
File opened for modification	C:\Program Files (x86)\DPI Service\dpisv.exe	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Token: SeDebugPrivilege	2552	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84
PID 3016 wrote to memory of 2552	3016	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	84

C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
"C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
  C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2552

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

73.144.22.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.144.22.2.in-addr.arpa

IN PTR

Response

73.144.22.2.in-addr.arpa

IN PTR

a2-22-144-73deploystaticakamaitechnologiescom
DNS

69.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.31.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

232.168.11.51.in-addr.arpa

Remote address:

8.8.8.8:53

Request

232.168.11.51.in-addr.arpa

IN PTR

Response
DNS

157.123.68.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

157.123.68.40.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

18.134.221.88.in-addr.arpa

Remote address:

8.8.8.8:53

Request

18.134.221.88.in-addr.arpa

IN PTR

Response

18.134.221.88.in-addr.arpa

IN PTR

a88-221-134-18deploystaticakamaitechnologiescom
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

14.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.227.111.52.in-addr.arpa

IN PTR

Response

91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

208 B
4

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

73.144.22.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

73.144.22.2.in-addr.arpa
8.8.8.8:53

69.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

69.31.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

232.168.11.51.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

232.168.11.51.in-addr.arpa
8.8.8.8:53

157.123.68.40.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

157.123.68.40.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

18.134.221.88.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

18.134.221.88.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

14.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.227.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe.log

Filesize
42B

MD5
84cfdb4b995b1dbf543b26b86c863adc

SHA1
d2f47764908bf30036cf8248b9ff5541e2711fa2

SHA256
d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

SHA512
485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

Download Submit
memory/2552-9-0x00000000058E0000-0x000000000597C000-memory.dmp

Filesize
624KB

Download
memory/2552-12-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/2552-21-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2552-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2552-20-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2552-7-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/2552-8-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/2552-18-0x0000000005D40000-0x0000000005D4A000-memory.dmp

Filesize
40KB

Download
memory/2552-17-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/2552-10-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2552-11-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2552-15-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/2552-16-0x0000000005820000-0x000000000582C000-memory.dmp

Filesize
48KB

Download
memory/3016-2-0x0000000004FD0000-0x0000000004FD6000-memory.dmp

Filesize
24KB

Download
memory/3016-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/3016-19-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3016-6-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3016-1-0x0000000000670000-0x00000000006B4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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