nanocore | 87f26bbe201d7f76fff5ae536708f3f7f18dec22e1b3424923429a54b452b29b

General

Target

simonalight2.1.exe
Size

434KB
MD5

d4e61a92ff8da165dbf4922816810d0f
SHA1

f9b6e2a4f93966873a49b365246515ff545c12f8
SHA256

87f26bbe201d7f76fff5ae536708f3f7f18dec22e1b3424923429a54b452b29b
SHA512

3d8231ba89f973804d53727a7923d76cc9aa5c8c8d389e0982b889382835c7f4e9a83f75ee29e7c11ce0a3ed9083b590ecee6e8ba628fb1977165c2fb7544df2
SSDEEP

12288:2YOaKgu716epyzOdHTtbxXTusQRhvx5QAqehcWuCojf2N:2YOj71rUCdTtFTevQANhBefc

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.180.48.119:4444

Mutex

2bed2857-756c-4d05-b4b9-330686a61bc6

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-07-02T04:48:33.711034036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4444
default_group
money
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
2bed2857-756c-4d05-b4b9-330686a61bc6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.180.48.119
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
1920	nkaizrw.exe
4932	nkaizrw.exe

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\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nnwgccluuq = "C:\\Users\\Admin\\AppData\\Roaming\\mmvffbkkg\\pyyueeniir.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\nkaizrw.exe\" "	nkaizrw.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	nkaizrw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 4932	1920	nkaizrw.exe	83

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4932	nkaizrw.exe
4932	nkaizrw.exe
4932	nkaizrw.exe
4932	nkaizrw.exe
4932	nkaizrw.exe
4932	nkaizrw.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4932	nkaizrw.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1920	nkaizrw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	nkaizrw.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 1920	2840	simonalight2.1.exe	81
PID 2840 wrote to memory of 1920	2840	simonalight2.1.exe	81
PID 2840 wrote to memory of 1920	2840	simonalight2.1.exe	81
PID 1920 wrote to memory of 4932	1920	nkaizrw.exe	83
PID 1920 wrote to memory of 4932	1920	nkaizrw.exe	83
PID 1920 wrote to memory of 4932	1920	nkaizrw.exe	83
PID 1920 wrote to memory of 4932	1920	nkaizrw.exe	83

C:\Users\Admin\AppData\Local\Temp\simonalight2.1.exe
"C:\Users\Admin\AppData\Local\Temp\simonalight2.1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe
  "C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe
    "C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe

Filesize
196KB

MD5
1d1d77ca36b557c340e73d6478a39ee4

SHA1
096bdf626a7904ca07e99cd41e02ee8c1fe37665

SHA256
7740aa30f60314a4535de30e79f75701f66de770e0b32c3c319a109641dbcc7f

SHA512
08ef3c8cbbd536d28a625e062d9d0ef35696165a81c0f883eeee98602746497dc227a6f0006216f25bf95f3fb8dce5ee8d6952aafba261552af45b8b0861fe25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe

Filesize
196KB

MD5
1d1d77ca36b557c340e73d6478a39ee4

SHA1
096bdf626a7904ca07e99cd41e02ee8c1fe37665

SHA256
7740aa30f60314a4535de30e79f75701f66de770e0b32c3c319a109641dbcc7f

SHA512
08ef3c8cbbd536d28a625e062d9d0ef35696165a81c0f883eeee98602746497dc227a6f0006216f25bf95f3fb8dce5ee8d6952aafba261552af45b8b0861fe25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nkaizrw.exe

Filesize
196KB

MD5
1d1d77ca36b557c340e73d6478a39ee4

SHA1
096bdf626a7904ca07e99cd41e02ee8c1fe37665

SHA256
7740aa30f60314a4535de30e79f75701f66de770e0b32c3c319a109641dbcc7f

SHA512
08ef3c8cbbd536d28a625e062d9d0ef35696165a81c0f883eeee98602746497dc227a6f0006216f25bf95f3fb8dce5ee8d6952aafba261552af45b8b0861fe25

Download Submit
C:\Users\Admin\AppData\Local\Temp\swswbkzmr.yo

Filesize
300KB

MD5
c7e1c2d6dfe906841cb388627f0a75b5

SHA1
dd10c2ca65aeee56120a542c42b30c00e22cae34

SHA256
6aba2ab2713f8e5b29dac5eb1e30fa336fd3cabc7e832d0abe37433be6d1761b

SHA512
1f4777c108b250432b126f9b056444c18f3c6149503b548591a1caeb19314d2841318027e3f9c5739d676c1a05ecbb5296424be3dcb7f0aac249ab9aa88b939c

Download Submit
memory/1920-5-0x0000000001470000-0x0000000001472000-memory.dmp

Filesize
8KB

Download
memory/4932-15-0x0000000073B90000-0x0000000074141000-memory.dmp

Filesize
5.7MB

Download
memory/4932-17-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4932-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4932-14-0x0000000073B90000-0x0000000074141000-memory.dmp

Filesize
5.7MB

Download
memory/4932-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4932-16-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4932-18-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-23-0x0000000073B90000-0x0000000074141000-memory.dmp

Filesize
5.7MB

Download
memory/4932-24-0x0000000073B90000-0x0000000074141000-memory.dmp

Filesize
5.7MB

Download
memory/4932-25-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-26-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-27-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download
memory/4932-28-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads