nanocore | adb1916ce0d4c3dd80623a2bde416cbfd68f6db71f8da0132101daed4f86dacb

General

Target

9a08c8a2b49d6348f2ef35f85a1c6351.exe
Size

613KB
MD5

9a166a4ebfc7463904546bfa7daea8f1
SHA1

ee7c6418232b61389827a4a1c9a92990c2bf2838
SHA256

a8bcefc2310761d35f797a3d74edf9bbd5e3b144453f26e71924dca43d1966f0
SHA512

64216e945be7ca3d2025ec97f8055a3c67e425e45bd60fbb06cc1d345f4e8fe499a2b05fe9bd7a726ef88060b2c40a7efceccf96ba31d98eabd9bed606118ead
SSDEEP

12288:IhEn44D6ADx6lUnzaFqWd2viTsWGIHCMyDskak3CFJTYrEkjUvV:K14DfxRzEdAioAiVDskaqCFJTFkj

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cloudhost.myfirewall.org:5654

Mutex

4ae8a172-6da2-4779-a2b0-d9cfdcd47451

Attributes

activate_away_mode
true
backup_connection_host
cloudhost.myfirewall.org
backup_dns_server
cloudhost.myfirewall.org
buffer_size
65535
build_time
2020-11-27T18:37:03.574425236Z
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
5654
default_group
UU008TH
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
4ae8a172-6da2-4779-a2b0-d9cfdcd47451
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cloudhost.myfirewall.org
primary_dns_server
cloudhost.myfirewall.org
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

description pid process target process

PID 2768 set thread context of 2584 2768 9a08c8a2b49d6348f2ef35f85a1c6351.exe 9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	pid	process	target process
PID 2768 set thread context of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Drops file in Program Files directory 2 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

2412 schtasks.exe
2388 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

pid process

2584 9a08c8a2b49d6348f2ef35f85a1c6351.exe
2584 9a08c8a2b49d6348f2ef35f85a1c6351.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

pid process

2584 9a08c8a2b49d6348f2ef35f85a1c6351.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe

description pid process

Token: SeDebugPrivilege 2584 9a08c8a2b49d6348f2ef35f85a1c6351.exe

pid	process
2412	schtasks.exe
2388	schtasks.exe

pid	process
2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe
2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe

pid	process
2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	pid	process
Token: SeDebugPrivilege	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

9a08c8a2b49d6348f2ef35f85a1c6351.exe9a08c8a2b49d6348f2ef35f85a1c6351.exe

description	pid	process	target process
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2768 wrote to memory of 2584	2768	9a08c8a2b49d6348f2ef35f85a1c6351.exe	9a08c8a2b49d6348f2ef35f85a1c6351.exe
PID 2584 wrote to memory of 2412	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2412	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2412	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2412	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2388	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2388	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2388	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe
PID 2584 wrote to memory of 2388	2584	9a08c8a2b49d6348f2ef35f85a1c6351.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.exe
"C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2768

C:\Users\Admin\AppData\Local\Temp\9a08c8a2b49d6348f2ef35f85a1c6351.exe
"{path}"
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:2584

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp90BB.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2412

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp92EE.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp90BB.tmp
Filesize
1KB

MD5
d6e1c55275559fdb593997a8dcfa56b7

SHA1
96dfd9d867de153d1211f8ae715c649a11e25c23

SHA256
f7eab8d4d985896201ceb028cd858ec26ec7797ef9935b4ee8fadb9908111427

SHA512
0c3df98a55e994578783c9e00e53a67f0ba25f034671f6546dec9747b549a0bd2dcf335a0258855c908d6cbf3c9bafae2a16d0e574ea05595536a0f0982c95e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp92EE.tmp
Filesize
1KB

MD5
4b7ef560289c0f62d0baf6f14f48a57a

SHA1
8331acb90dde588aa3196919f6e847f398fd06d1

SHA256
062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207

SHA512
ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8

Download Submit
memory/2584-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-30-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-23-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-25-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2584-20-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-19-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-3-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-0-0x00000000749C1000-0x00000000749C2000-memory.dmp

Filesize
4KB

Download
memory/2768-2-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-1-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-4-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads