nanocore | 7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe

General

Target

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe
Size

682KB
MD5

3f444c1d28cd5bd308d860b5e118f1a1
SHA1

2b5bd0cdea2f51251f082a059220c5c11515e495
SHA256

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe
SHA512

859909be14a4b68f599d543485cf9b6a5e29bd053f1c1b4ba852afd08017884066bb861fa1f111f0b89b30a4a6fa25cafbd672540650c876e0e0bcef0a137cbd
SSDEEP

12288:Veezo4rQ7otxmQB4r3/fuNXat1Idh+t74g8qKYgi74m241FMA7h+0bAbJzA:LQo71O/caIH+tKqKy74jA

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:

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe

description	pid	process	target process
PID 4040 set thread context of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.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:

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exeschtasks.exeRegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.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

1212 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exe

pid process

1576 RegSvcs.exe
1576 RegSvcs.exe
1576 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1576 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1576 RegSvcs.exe

pid	process
1212	schtasks.exe

pid	process
1576	RegSvcs.exe
1576	RegSvcs.exe
1576	RegSvcs.exe

pid	process
1576	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1576	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe

description	pid	process	target process
PID 4040 wrote to memory of 1212	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	schtasks.exe
PID 4040 wrote to memory of 1212	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	schtasks.exe
PID 4040 wrote to memory of 1212	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	schtasks.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe
PID 4040 wrote to memory of 1576	4040	7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe
"C:\Users\Admin\AppData\Local\Temp\7b753fd8de9e96827df035f1d69ee8efa593a8e6a048e5aaad113c1b1bb5adbe.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adwOuvuzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1212
- 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:1576

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\tmpCAD.tmp

Filesize
1KB

MD5
b2ee6f8037cfa2db82ca261a9d493486

SHA1
9b335bd2e9e0857d72f23f01a7bceac03f0b006b

SHA256
a461be4e05dd65921678e4f1f3fd753754389bbc4748ac324cf6b367fca30b31

SHA512
66150cab830473ed06928fb3f253221225f105e1231e3e3ff1bf84021076dea07f834fd8d1b422b8534034bb6ab24dd8ea44d440b4a632a7967ca0fa7a28ebdb

Download Submit
memory/1576-25-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/1576-24-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/1576-23-0x0000000006400000-0x000000000640A000-memory.dmp

Filesize
40KB

Download
memory/1576-22-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/1576-21-0x0000000005BD0000-0x0000000005BDA000-memory.dmp

Filesize
40KB

Download
memory/1576-19-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/1576-17-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/1576-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4040-4-0x0000000005C40000-0x0000000005C4A000-memory.dmp

Filesize
40KB

Download
memory/4040-10-0x0000000007220000-0x00000000072C8000-memory.dmp

Filesize
672KB

Download
memory/4040-11-0x0000000009850000-0x00000000098A8000-memory.dmp

Filesize
352KB

Download
memory/4040-9-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4040-8-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4040-18-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4040-7-0x0000000006DA0000-0x0000000006E3C000-memory.dmp

Filesize
624KB

Download
memory/4040-6-0x0000000005E10000-0x0000000005E18000-memory.dmp

Filesize
32KB

Download
memory/4040-0-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4040-5-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4040-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/4040-2-0x0000000006050000-0x00000000065F4000-memory.dmp

Filesize
5.6MB

Download
memory/4040-1-0x0000000000FF0000-0x00000000010A0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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