nanocore | dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2

General

Target

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.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

Processes:

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe

description	pid	process	target process
PID 4984 set thread context of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe

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

Processes:

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exeschtasks.exeRegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.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

Processes:

schtasks.exe

pid process

3320 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exe

pid process

792 RegSvcs.exe
792 RegSvcs.exe
792 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

792 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 792 RegSvcs.exe

pid	process
3320	schtasks.exe

pid	process
792	RegSvcs.exe
792	RegSvcs.exe
792	RegSvcs.exe

pid	process
792	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	792	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe

description	pid	process	target process
PID 4984 wrote to memory of 3320	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	schtasks.exe
PID 4984 wrote to memory of 3320	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	schtasks.exe
PID 4984 wrote to memory of 3320	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	schtasks.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe
PID 4984 wrote to memory of 792	4984	dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe
"C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adwOuvuzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE72.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3320
- 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:792

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\tmpE72.tmp

Filesize
1KB

MD5
13522dd3f0108e369dd7cac07f0b6273

SHA1
156da49ffd71337193f6ae62616e54529995c594

SHA256
f09c1f7a940adb30f7c55e9de34b975044d1c24e5f5e9a51000637c925b8f925

SHA512
2884c819e942c8c9d17013a0b1cd567834d6a7320773a04ff3a9c0f145a3f702d9cc160c84cca55954502ceba6048343a8ab9f6f3299f3588bcb0c9cd7a2a567

Download Submit
memory/792-25-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/792-24-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/792-23-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/792-22-0x00000000058E0000-0x00000000058FE000-memory.dmp

Filesize
120KB

Download
memory/792-21-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/792-19-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/792-18-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/792-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4984-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-10-0x0000000005F80000-0x0000000006028000-memory.dmp

Filesize
672KB

Download
memory/4984-11-0x0000000006170000-0x00000000061C8000-memory.dmp

Filesize
352KB

Download
memory/4984-9-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-8-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/4984-17-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-7-0x00000000062C0000-0x000000000635C000-memory.dmp

Filesize
624KB

Download
memory/4984-6-0x0000000004F90000-0x0000000004F98000-memory.dmp

Filesize
32KB

Download
memory/4984-0-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/4984-4-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/4984-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/4984-2-0x00000000051E0000-0x0000000005784000-memory.dmp

Filesize
5.6MB

Download
memory/4984-1-0x00000000002B0000-0x0000000000360000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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