nanocore | aabb0dd4fec420a2b4eef5773d098cae314568ffb403cbad4c0228d4c6cd8d47

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-06-2024 13:03

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General

Target

20200610dc.exe
Size

1.2MB
MD5

aeb3a06c21e39bbe3f408c5200b6c915
SHA1

232e4d47cb6693407c0bad4b9f3e978849eda91d
SHA256

fab230794e95cf1e3f8b01e6f4d5c61547a53c20ebe04d761226a1d119d48b2f
SHA512

1335cf8951a2f9ed1e60724eecbab92b765610e4f896bf523c7e1c82c21acf3d90fefed36e061aeea03d3093947e04c980ffce8b828e3a8089c1089fa831bd6e
SSDEEP

24576:wAHnh+eWsN3skA4RV1Hom2KXMmHaf8ejxfhINmCmXEXPO7b45:nh+ZkldoPK8Yaf8ej5WmLcPKi

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

smith2020.ddns.net:1012

Mutex

2ed7fe7a-0c42-4ab6-864c-db46cdd54bc1

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-06T10:24:37.314917536Z
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
1012
default_group
Grace
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
2ed7fe7a-0c42-4ab6-864c-db46cdd54bc1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
smith2020.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
Drops startup file 1 IoCs

Processes:

20200610dc.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AboutSettingsHandlers.url 20200610dc.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

20200610dc.exe

description pid process target process

PID 2520 set thread context of 3628 2520 20200610dc.exe MSBuild.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3944 schtasks.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AboutSettingsHandlers.url	20200610dc.exe

description	pid	process	target process
PID 2520 set thread context of 3628	2520	20200610dc.exe	MSBuild.exe

pid	process
3944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

20200610dc.exeMSBuild.exe

pid	process
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
3628	MSBuild.exe
3628	MSBuild.exe
3628	MSBuild.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe
2520	20200610dc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

3628 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3628 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

20200610dc.exe

pid process

2520 20200610dc.exe
2520 20200610dc.exe
2520 20200610dc.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

20200610dc.exe

pid process

2520 20200610dc.exe
2520 20200610dc.exe
2520 20200610dc.exe

pid	process
3628	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3628	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

20200610dc.exeMSBuild.exe

description	pid	process	target process
PID 2520 wrote to memory of 3628	2520	20200610dc.exe	MSBuild.exe
PID 2520 wrote to memory of 3628	2520	20200610dc.exe	MSBuild.exe
PID 2520 wrote to memory of 3628	2520	20200610dc.exe	MSBuild.exe
PID 2520 wrote to memory of 3628	2520	20200610dc.exe	MSBuild.exe
PID 2520 wrote to memory of 3628	2520	20200610dc.exe	MSBuild.exe
PID 3628 wrote to memory of 3944	3628	MSBuild.exe	schtasks.exe
PID 3628 wrote to memory of 3944	3628	MSBuild.exe	schtasks.exe
PID 3628 wrote to memory of 3944	3628	MSBuild.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\20200610dc.exe
"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2520

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3628

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmp"
3⤵
- Creates scheduled task(s)
PID:3944

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmp
Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
memory/2520-3-0x0000000003B20000-0x0000000003B86000-memory.dmp

Filesize
408KB

Download
memory/2520-4-0x0000000003960000-0x00000000039C6000-memory.dmp

Filesize
408KB

Download
memory/3628-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3628-10-0x0000000074172000-0x0000000074173000-memory.dmp

Filesize
4KB

Download
memory/3628-11-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download
memory/3628-12-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download
memory/3628-17-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download
memory/3628-18-0x0000000074172000-0x0000000074173000-memory.dmp

Filesize
4KB

Download
memory/3628-19-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download
memory/3628-20-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download
memory/3628-21-0x0000000074170000-0x0000000074721000-memory.dmp

Filesize
5.7MB

Download