nanocore | 11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec

General

Target

11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
Size

708KB
MD5

848a0266b194123408dd4429ef761db0
SHA1

95348194c757655c1d7832db285de8d3d3baf8f5
SHA256

11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec
SHA512

49240e1684c2bf7eaf5e869b95cf878693811148b37aa73db6cfcfb46331dc3c2bccc5455f99d180964202571f6e31a918ffc17e6458aede1db2c04607249440

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

farah99.zapto.org:19720

Mutex

6d50c134-6325-499c-b5ec-dbc7a37a8117

Attributes

activate_away_mode
true
backup_connection_host
farah99.zapto.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-08-20T23:36:09.518759436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
19720
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
6d50c134-6325-499c-b5ec-dbc7a37a8117
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
farah99.zapto.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
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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe

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	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.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

pid	Process
428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
1364	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
1364	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
Token: SeDebugPrivilege	1364	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 428	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	28
PID 1640 wrote to memory of 428	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	28
PID 1640 wrote to memory of 428	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	28
PID 1640 wrote to memory of 428	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	28
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30
PID 1640 wrote to memory of 1364	1640	11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe	30

C:\Users\Admin\AppData\Local\Temp\11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
"C:\Users\Admin\AppData\Local\Temp\11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XGcETK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC553.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:428
- C:\Users\Admin\AppData\Local\Temp\11e036c1794cd85102d2db5dc7cd5e1440d266ccd6f09fb541661c63ddbebeec.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC553.tmp

Filesize
1KB

MD5
f4f3d0ea1aa5ce60391c4be405d47d04

SHA1
1ccd4ac95b85fa1380bed126c6467882f5bbef10

SHA256
96ae351e1234bc86a5d30c7b5a6b91d0aecf86600b41edd198c66f46fc50306f

SHA512
641e50e5e95210ba521c28367e6fa7a9da0c75a8f5b54808deda8607b2cc7d912c7ee779c42d26471db8c8edc3c70c59c7820203fde8678434cb7a64a22e802a

Download Submit
memory/1364-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-73-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/1364-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-72-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/1364-71-0x00000000005B0000-0x00000000005BA000-memory.dmp

Filesize
40KB

Download
memory/1364-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1640-56-0x0000000000580000-0x0000000000606000-memory.dmp

Filesize
536KB

Download
memory/1640-54-0x0000000000CB0000-0x0000000000D68000-memory.dmp

Filesize
736KB

Download
memory/1640-55-0x0000000000650000-0x000000000066C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads