nanocore | 9e60d8f8d14a520f023015e9b7e1254756a0bbebe294707cd705f5262b2e07b5 | Triage

Analysis

max time kernel
1793s
max time network
1799s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26-04-2024 15:47

Sharing

Report Analysis Logs

General

Target

Chrome.exe
Size

711KB
MD5

ec4bf11a6689c525a9c02342919b81d2
SHA1

3e762f4bcfe9325548b50349bdc270bdd8a111f3
SHA256

4480ba3f495510f75d218068c22164d98d275199ccdaf6e0f5b53cf355b8be80
SHA512

c23360725bb6dcbe23106f5206a8e1e97366e6ef4baea5c81fe7d0c50916ae7e19cc85a4b9545c7c723aef9fee5ff0e845700a7ee3626530da1a0739df5b716c
SSDEEP

12288:fX81XL3K8KysjJS+yeHMm9jA1Qcp8ujw6kVNZDXxVs4iP9ZoFD5rfIm:a+GesuiUNNkIFxIm

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

haxorbaba.duckdns.org:1604

Mutex

68d0d384-24c7-4c4a-b00a-25fe172797c1

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2016-05-25T14:42:31.650976636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
3994
connection_port
1604
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
68d0d384-24c7-4c4a-b00a-25fe172797c1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
haxorbaba.duckdns.org
primary_dns_server
8.8.8.8
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

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	Chrome.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2112	2656	Chrome.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	Chrome.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	Chrome.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task/Job

pid	Process
2624	schtasks.exe
3024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2112	Chrome.exe
2112	Chrome.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2112	Chrome.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	Chrome.exe
Token: SeDebugPrivilege	2112	Chrome.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2656 wrote to memory of 2112	2656	Chrome.exe	28
PID 2112 wrote to memory of 2624	2112	Chrome.exe	29
PID 2112 wrote to memory of 2624	2112	Chrome.exe	29
PID 2112 wrote to memory of 2624	2112	Chrome.exe	29
PID 2112 wrote to memory of 2624	2112	Chrome.exe	29
PID 2112 wrote to memory of 3024	2112	Chrome.exe	31
PID 2112 wrote to memory of 3024	2112	Chrome.exe	31
PID 2112 wrote to memory of 3024	2112	Chrome.exe	31
PID 2112 wrote to memory of 3024	2112	Chrome.exe	31

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\Chrome.exe
  C:\Users\Admin\AppData\Local\Temp\Chrome.exe
  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:2112
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp232A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2624
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp23B7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp232A.tmp

Filesize
1KB

MD5
57ef41cc35a47d5ff922ec5a0d06aaa7

SHA1
0ae2172ca0e2578109243328ee57a68190252578

SHA256
ba13669de506ecfb43f5dc2b2acb6f392ad3d7daf9c9ad1c56359c6405de3a07

SHA512
58bdff3f27838934400b3bc21e69d8c2dfdcb0d5afc9ef5f4b0b5da83df603952abd6e804c3abcd50657f1c91dabc647d999f3d24b0b73990e3bd3abffddfa47

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp23B7.tmp

Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
memory/2112-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-10-0x00000000008A0000-0x00000000008E0000-memory.dmp

Filesize
256KB

Download
memory/2112-9-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-18-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-1-0x0000000000820000-0x0000000000860000-memory.dmp

Filesize
256KB

Download
memory/2656-0-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-2-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-8-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download