nanocore | 0450bc9613570fe23007b9c42fb2aa94e05cdf71fdae353148934706749ed509

General

Target

Información de envío confidencial datos personales doc.exe
Size

464KB
MD5

884a509f47d321622a549aa0ef42b26e
SHA1

2290e384617efc4f00fcd0c979692162aef9f5d7
SHA256

c639174f0dd193464782b116b0924d7b46c0390fa023093269fb304178c4b403
SHA512

57acc6dada0aee5dc96b04dbb1d529e8afbb8740e29853a175f6ba64b383b8518d43705c810342ac27ac2bd546a51adb55e0503763300046b0ca94e477eb2123

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

atiku2.duckdns.org:5626

23.105.131.139:5626

Mutex

fb9e5d68-5f7a-419f-bfc1-29430b1c8638

Attributes

activate_away_mode
true
backup_connection_host
23.105.131.139
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-01-27T16:13:19.597345536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
5626
default_group
Naija Parole
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
fb9e5d68-5f7a-419f-bfc1-29430b1c8638
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
atiku2.duckdns.org
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

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Información de envío confidencial datos personales doc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Información de envío confidencial datos personales doc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Información de envío confidencial datos personales doc.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Información de envío confidencial datos personales doc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Información de envío confidencial datos personales doc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	Información de envío confidencial datos personales doc.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Información de envío confidencial datos personales doc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Información de envío confidencial datos personales doc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Información de envío confidencial datos personales doc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Información de envío confidencial datos personales doc.exe

description pid process target process

PID 1356 set thread context of 1736 1356 Información de envío confidencial datos personales doc.exe MSBuild.exe
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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1396 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeInformación de envío confidencial datos personales doc.exeMSBuild.exe

pid process

1240 powershell.exe
1356 Información de envío confidencial datos personales doc.exe
1736 MSBuild.exe
1736 MSBuild.exe

description	pid	process	target process
PID 1356 set thread context of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe

pid	process
1396	schtasks.exe

pid	process
1240	powershell.exe
1356	Información de envío confidencial datos personales doc.exe
1736	MSBuild.exe
1736	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeInformación de envío confidencial datos personales doc.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1240	powershell.exe
Token: SeDebugPrivilege	1356	Información de envío confidencial datos personales doc.exe
Token: SeDebugPrivilege	1736	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Información de envío confidencial datos personales doc.exe

description	pid	process	target process
PID 1356 wrote to memory of 1240	1356	Información de envío confidencial datos personales doc.exe	powershell.exe
PID 1356 wrote to memory of 1240	1356	Información de envío confidencial datos personales doc.exe	powershell.exe
PID 1356 wrote to memory of 1240	1356	Información de envío confidencial datos personales doc.exe	powershell.exe
PID 1356 wrote to memory of 1240	1356	Información de envío confidencial datos personales doc.exe	powershell.exe
PID 1356 wrote to memory of 1396	1356	Información de envío confidencial datos personales doc.exe	schtasks.exe
PID 1356 wrote to memory of 1396	1356	Información de envío confidencial datos personales doc.exe	schtasks.exe
PID 1356 wrote to memory of 1396	1356	Información de envío confidencial datos personales doc.exe	schtasks.exe
PID 1356 wrote to memory of 1396	1356	Información de envío confidencial datos personales doc.exe	schtasks.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe
PID 1356 wrote to memory of 1736	1356	Información de envío confidencial datos personales doc.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Información de envío confidencial datos personales doc.exe
"C:\Users\Admin\AppData\Local\Temp\Información de envío confidencial datos personales doc.exe"
1⤵
- Checks BIOS information in registry
- Windows security modification
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JmIRXTceTRqwg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1305.tmp"
2⤵
- Creates scheduled task(s)
PID:1396

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Disabling Security Tools

2

T1089

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1305.tmp
Filesize
1KB

MD5
b3a6edb6146917398091e1ef424c8419

SHA1
6f886475e806cfb50c5066dab132cda6f4accaa6

SHA256
a3ae4abdb05cdf3edf0b9855832a24840e0d607a8e340d8630676f0521609c5d

SHA512
c0e781fd677a81cec42b762dffb736648351936f658f945d48a29d4593bf9538aab463908c3a5871bfadf8c46c9b394276f532c4f252277d4339ef6aacb6e1aa

Download Submit
memory/1240-56-0x0000000000000000-mapping.dmp

Download
memory/1240-58-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/1356-54-0x0000000075541000-0x0000000075543000-memory.dmp

Filesize
8KB

Download
memory/1356-55-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/1396-59-0x0000000000000000-mapping.dmp

Download
memory/1736-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-68-0x000000000041E792-mapping.dmp

Download
memory/1736-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1736-74-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/1736-75-0x0000000000BD6000-0x0000000000BE7000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads