nanocore | dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2

General

Target

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe
Size

682KB
MD5

e85e9ee55cd11e262bebc6a50adf9eb4
SHA1

0ea3108775ea4aeca19c338b7873bc5f29f17333
SHA256

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2
SHA512

11804e98b271ab6e997b175935e2ab2b596da7d13c8c1590e224c20d5ab6572b859965a5a6762dedef266c26da266571751cf4c041936f3818f5600530931580
SSDEEP

12288:Veezo4rQ7otxmQB4r3/fuNXat1Idh+t74g8qKYgi74m241FMA7h+0bAbJz:LQo71O/caIH+tKqKy74j

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fredrchmn.duckdns.org:7788

Mutex

f09b885f-e168-4a65-b204-d7370430fd19

Attributes

activate_away_mode
true
backup_connection_host
fredrchmn.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2021-03-06T05:27:19.753914436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
7788
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
f09b885f-e168-4a65-b204-d7370430fd19
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
fredrchmn.duckdns.org
primary_dns_server
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104

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	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.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
1152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4284	RegSvcs.exe
4284	RegSvcs.exe
4284	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4284	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 1152	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	102
PID 3220 wrote to memory of 1152	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	102
PID 3220 wrote to memory of 1152	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	102
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104
PID 3220 wrote to memory of 4284	3220	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe	104

C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe
"C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adwOuvuzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1152
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4284

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\tmp6E1.tmp

Filesize
1KB

MD5
0aeaeeef74b1a4d457fd6b7c8cac8731

SHA1
fa4043b17ffef802ae54eae741cbdc73002c122b

SHA256
6041e964a54d11aefa866365543cafce0f41b0b6f5e98ab32fde0a5a61dd1ccf

SHA512
725996c6782f948f390f3b61b4e26b85393646fe75ad4979e9dbc66a95941c123c6f21412d0d0fdde2ef90d36383934fbe7a91095b55e510a3bfc87ee34d9c18

Download Submit
memory/3220-10-0x00000000068B0000-0x0000000006958000-memory.dmp

Filesize
672KB

Download
memory/3220-4-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/3220-11-0x0000000006AA0000-0x0000000006AF8000-memory.dmp

Filesize
352KB

Download
memory/3220-17-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1-0x0000000000A80000-0x0000000000B30000-memory.dmp

Filesize
704KB

Download
memory/3220-6-0x0000000005650000-0x0000000005658000-memory.dmp

Filesize
32KB

Download
memory/3220-7-0x00000000059E0000-0x0000000005A7C000-memory.dmp

Filesize
624KB

Download
memory/3220-8-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/3220-9-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/3220-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/3220-3-0x0000000005580000-0x0000000005612000-memory.dmp

Filesize
584KB

Download
memory/3220-2-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/3220-5-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4284-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4284-18-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4284-19-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4284-21-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/4284-22-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/4284-23-0x0000000005C30000-0x0000000005C3A000-memory.dmp

Filesize
40KB

Download
memory/4284-24-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4284-25-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads