nanocore | d1c305c0f96cd5e726c72fa77af15bc5e4ef1856301de35822f0d94b2aa21697

General

Target

Receipt#502.exe
Size

680KB
MD5

e2e26573196fd444c8845d29e73a6b00
SHA1

8a2fc9e82c11d234e74846451b12c73d69dea955
SHA256

40fe69be55041a8607bf2596d0fa649ab26f6d6bd6973fb955f14f4e8a066b6c
SHA512

02906faffe3bb49e0a936f5d07215ffe8b7cc28b2f65536e17b1b6204aa7966998b4a70bb09bf5a1fdfaa6efef6f729fbeabb1a2e3c540cd1965f73edabc8b78
SSDEEP

12288:lb4JO3lL2iNNOhnc4PrvIpMdd2lBKiIQulBt8LFSERr:lb4JO3lL1XWHv9dd2lEiIQ0P88E

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

without.duckdns.org:2078

Mutex

17fd7e7e-3990-4c53-9987-94767303fd64

Attributes

activate_away_mode
true
backup_connection_host
without.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-09-03T20:18:47.158112236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2078
default_group
without
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
17fd7e7e-3990-4c53-9987-94767303fd64
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
without.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

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation	Receipt#502.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 1508	1912	Receipt#502.exe	108

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Receipt#502.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1912	Receipt#502.exe
1508	RegSvcs.exe
1508	RegSvcs.exe
1508	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1508	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	Receipt#502.exe
Token: SeDebugPrivilege	1508	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 544	1912	Receipt#502.exe	106
PID 1912 wrote to memory of 544	1912	Receipt#502.exe	106
PID 1912 wrote to memory of 544	1912	Receipt#502.exe	106
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108
PID 1912 wrote to memory of 1508	1912	Receipt#502.exe	108

C:\Users\Admin\AppData\Local\Temp\Receipt#502.exe
"C:\Users\Admin\AppData\Local\Temp\Receipt#502.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NeKPJNb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DDD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:544
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4DDD.tmp

Filesize
1KB

MD5
5a8c3a067b60e046c9290f05cdd77ade

SHA1
fe020dd89b99baea30b7ef3e0f3f1d28df0389b4

SHA256
b1659737232db0214384828b63d9eea44a41d562fe90795e62be1e9b8197fd3b

SHA512
fc7bc6e1e7d5453cc66cc4a686f637846a046c5af313a011d751e77af6f79266f7e8bfbe9da95e791a6f32bb27b473fcd8f6e358d77057949190c1440bee8780

Download Submit
memory/1508-10-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1508-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1508-12-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1508-14-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1508-15-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1508-16-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1508-17-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1912-2-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1912-3-0x0000000074E22000-0x0000000074E23000-memory.dmp

Filesize
4KB

Download
memory/1912-4-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1912-1-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1912-11-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/1912-0-0x0000000074E22000-0x0000000074E23000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads