nanocore | 4ea6f0802201e606f694a34f2376c416eab228de16f9ba098719be2b96449cf0

Analysis

max time kernel
149s
max time network
151s
platform
windows10_x64
resource
win10v20210410
submitted
09/06/2021, 07:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
payment invoice.exe
Size 1019KB
Sample210609-nbeqlyec12
SHA256 3aa4556bd929b55c5a51ea8cd76865fd4e27b880ec483aa8a94582071cdef24d
MD5 845d5dc8393bf7652f744e7fa7dfb3c3
SHA1 f83096a377039cfdbcfb930a98fd1b78691c4456
SHA512 e40303dc536090da7b282a9a940765437c07ed3d497b0f81cdb92b9abfc378d5ec54d96e946b69e368432b4fde891a40681239056e3fc74fea4568e4959d249c
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

ifybest85fff.ddns.net:7600
194.5.98.23:7600

Mutex

64d6914b-2a13-4387-9ead-01228df90732

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.23
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-11T19:43:39.259196136Z
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
7600
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
64d6914b-2a13-4387-9ead-01228df90732
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ifybest85fff.ddns.net
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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	payment invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 3568	4044	payment invoice.exe	81

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

System Information Discovery
T1082

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

T1053

pid	Process
2108	schtasks.exe
1144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4044	payment invoice.exe
3568	payment invoice.exe
3568	payment invoice.exe
3568	payment invoice.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3568	payment invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	payment invoice.exe
Token: SeDebugPrivilege	3568	payment invoice.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 1144	4044	payment invoice.exe	79
PID 4044 wrote to memory of 1144	4044	payment invoice.exe	79
PID 4044 wrote to memory of 1144	4044	payment invoice.exe	79
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 4044 wrote to memory of 3568	4044	payment invoice.exe	81
PID 3568 wrote to memory of 2108	3568	payment invoice.exe	82
PID 3568 wrote to memory of 2108	3568	payment invoice.exe	82
PID 3568 wrote to memory of 2108	3568	payment invoice.exe	82

C:\Users\Admin\AppData\Local\Temp\payment invoice.exe
"C:\Users\Admin\AppData\Local\Temp\payment invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GotewYBrdNy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96D7.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1144
- C:\Users\Admin\AppData\Local\Temp\payment invoice.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9929.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3568-139-0x0000000005420000-0x000000000591E000-memory.dmp

Download

memory/3568-138-0x0000000005910000-0x0000000005913000-memory.dmp

Download

memory/3568-137-0x0000000006390000-0x00000000063A9000-memory.dmp

Download

memory/3568-136-0x00000000054B0000-0x00000000054B5000-memory.dmp

Download

memory/3568-126-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/4044-119-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Download

memory/4044-123-0x000000000B0E0000-0x000000000B115000-memory.dmp

Download

memory/4044-122-0x0000000006D10000-0x0000000006D95000-memory.dmp

Download

memory/4044-121-0x00000000086D0000-0x00000000086D1000-memory.dmp

Download

memory/4044-120-0x0000000005220000-0x0000000005222000-memory.dmp

Download

memory/4044-114-0x0000000000680000-0x0000000000681000-memory.dmp

Download

memory/4044-118-0x0000000005160000-0x000000000565E000-memory.dmp

Download

memory/4044-117-0x0000000005040000-0x0000000005041000-memory.dmp

Download

memory/4044-116-0x0000000005660000-0x0000000005661000-memory.dmp

Download