nanocore | fcf3b27fdc54c53a1f7510abf8bdf748bd3199813d0294738feba29c7c1054d1

General

Target

Peixoto - QUOTATION LIST.exe
Size

1.1MB
MD5

0f129aa97048f7ec0557b211349a2ce0
SHA1

b597185c94fac60cd7e25db83bfb39ed07409289
SHA256

fcf3b27fdc54c53a1f7510abf8bdf748bd3199813d0294738feba29c7c1054d1
SHA512

0780847d48ddf9336633665560185e58c60bfd516d7ceb2139de897c526e3d23236667a7bcc199009c37e1d8b153c40377d9717c51f97450967297f9d3ba759a

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.222.57.149:4557

127.0.0.1:4557

Mutex

28a7a9fa-8b88-4ff1-be22-9ecea4e92a97

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-18T08:59:40.142792636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4557
default_group
T-C
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
28a7a9fa-8b88-4ff1-be22-9ecea4e92a97
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.222.57.149
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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Peixoto - QUOTATION LIST.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Peixoto - QUOTATION LIST.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Peixoto - QUOTATION LIST.exe

description pid process target process

PID 1652 set thread context of 772 1652 Peixoto - QUOTATION LIST.exe Peixoto - QUOTATION LIST.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Peixoto - QUOTATION LIST.exePeixoto - QUOTATION LIST.exe

pid process

1652 Peixoto - QUOTATION LIST.exe
1652 Peixoto - QUOTATION LIST.exe
772 Peixoto - QUOTATION LIST.exe
772 Peixoto - QUOTATION LIST.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Peixoto - QUOTATION LIST.exe

pid process

772 Peixoto - QUOTATION LIST.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Peixoto - QUOTATION LIST.exePeixoto - QUOTATION LIST.exe

description pid process

Token: SeDebugPrivilege 1652 Peixoto - QUOTATION LIST.exe
Token: SeDebugPrivilege 772 Peixoto - QUOTATION LIST.exe

description	pid	process	target process
PID 1652 set thread context of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe

pid	process
1652	Peixoto - QUOTATION LIST.exe
1652	Peixoto - QUOTATION LIST.exe
772	Peixoto - QUOTATION LIST.exe
772	Peixoto - QUOTATION LIST.exe

pid	process
772	Peixoto - QUOTATION LIST.exe

description	pid	process
Token: SeDebugPrivilege	1652	Peixoto - QUOTATION LIST.exe
Token: SeDebugPrivilege	772	Peixoto - QUOTATION LIST.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Peixoto - QUOTATION LIST.exe

description	pid	process	target process
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe
PID 1652 wrote to memory of 772	1652	Peixoto - QUOTATION LIST.exe	Peixoto - QUOTATION LIST.exe

C:\Users\Admin\AppData\Local\Temp\Peixoto - QUOTATION LIST.exe
"C:\Users\Admin\AppData\Local\Temp\Peixoto - QUOTATION LIST.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\Peixoto - QUOTATION LIST.exe
  "C:\Users\Admin\AppData\Local\Temp\Peixoto - QUOTATION LIST.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/772-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/772-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/772-70-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/772-69-0x0000000000730000-0x0000000000733000-memory.dmp

Filesize
12KB

Download
memory/772-68-0x0000000000790000-0x00000000007A9000-memory.dmp

Filesize
100KB

Download
memory/772-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/772-67-0x00000000006E0000-0x00000000006E5000-memory.dmp

Filesize
20KB

Download
memory/772-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/772-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/772-63-0x000000000041E792-mapping.dmp

Download
memory/772-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-66-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/1652-55-0x0000000004D80000-0x0000000004E6C000-memory.dmp

Filesize
944KB

Download
memory/1652-53-0x0000000001330000-0x0000000001331000-memory.dmp

Filesize
4KB

Download
memory/1652-57-0x0000000000820000-0x0000000000853000-memory.dmp

Filesize
204KB

Download
memory/1652-56-0x0000000074C71000-0x0000000074C73000-memory.dmp

Filesize
8KB

Download

Analysis

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