nanocore | 40163bbe666ea73c550fff89312262d3307ccfdde0d5fec95eae5deb1a1a6243

General

Target

a440839332ab9d93644827ad59b21ff2.exe
Size

933KB
MD5

a440839332ab9d93644827ad59b21ff2
SHA1

d26b7c87b08e46c567323e3f001a51e9d4b2927e
SHA256

40163bbe666ea73c550fff89312262d3307ccfdde0d5fec95eae5deb1a1a6243
SHA512

1c74859a877881624945a0f8372d074ba0f39cd4bbebbe25b4887306383f664bf3298ed970f2a9100ff91d62792d2c6b206417c2d4ede99eb20d27b4cf978627
SSDEEP

24576:bZ5vT5H5dGICDJpXSYOcqFnN9Ir1mcXY+mzo3bv:l5bp5dGICHSYpSS1XlmzM

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

welu111.ddns.net:2404

127.0.0.1:2404

Mutex

fc32f95c-2910-433f-b101-8576e258a05d

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
buffer_size
65535
build_time
2022-06-11T12:29:33.575754536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2404
default_group
Cass
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
fc32f95c-2910-433f-b101-8576e258a05d
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
welu111.ddns.net
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

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:

a440839332ab9d93644827ad59b21ff2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	a440839332ab9d93644827ad59b21ff2.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a440839332ab9d93644827ad59b21ff2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a440839332ab9d93644827ad59b21ff2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exe

description pid process target process

PID 4952 set thread context of 4212 4952 a440839332ab9d93644827ad59b21ff2.exe a440839332ab9d93644827ad59b21ff2.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

Processes:

schtasks.exe

pid process

4280 schtasks.exe

description	pid	process	target process
PID 4952 set thread context of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe

pid	process
4280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exepowershell.exea440839332ab9d93644827ad59b21ff2.exe

pid	process
4952	a440839332ab9d93644827ad59b21ff2.exe
4952	a440839332ab9d93644827ad59b21ff2.exe
4952	a440839332ab9d93644827ad59b21ff2.exe
4952	a440839332ab9d93644827ad59b21ff2.exe
1980	powershell.exe
1980	powershell.exe
4212	a440839332ab9d93644827ad59b21ff2.exe
4212	a440839332ab9d93644827ad59b21ff2.exe
4212	a440839332ab9d93644827ad59b21ff2.exe
4212	a440839332ab9d93644827ad59b21ff2.exe
4212	a440839332ab9d93644827ad59b21ff2.exe
4212	a440839332ab9d93644827ad59b21ff2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exe

pid process

4212 a440839332ab9d93644827ad59b21ff2.exe

pid	process
4212	a440839332ab9d93644827ad59b21ff2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exepowershell.exea440839332ab9d93644827ad59b21ff2.exe

description	pid	process
Token: SeDebugPrivilege	4952	a440839332ab9d93644827ad59b21ff2.exe
Token: SeDebugPrivilege	1980	powershell.exe
Token: SeDebugPrivilege	4212	a440839332ab9d93644827ad59b21ff2.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exe

description	pid	process	target process
PID 4952 wrote to memory of 1980	4952	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 4952 wrote to memory of 1980	4952	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 4952 wrote to memory of 1980	4952	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 4952 wrote to memory of 4280	4952	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 4952 wrote to memory of 4280	4952	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 4952 wrote to memory of 4280	4952	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 4952 wrote to memory of 4212	4952	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe

C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe
"C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlRIJxyonelRh.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlRIJxyonelRh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp440E.tmp"
2⤵
- Creates scheduled task(s)
PID:4280

C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe
"C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a440839332ab9d93644827ad59b21ff2.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp440E.tmp
Filesize
1KB

MD5
76aa0b852ece641e706716e0642f5c22

SHA1
e2916bc9d73ea6186bdf94da1d7e750df8b7f196

SHA256
8884eaa81a30292d13af4c42c45a61e3563b275841593dc172f452d9fe79c126

SHA512
5a737ffb24597991b936b7c76be4a56f84e760995c78870be1e4025562323df5290917e611306ff9ed1620ac19416d5c85fd755b73d01b5612e8af799fed71f5

Download Submit
memory/1980-150-0x00000000706E0000-0x000000007072C000-memory.dmp

Filesize
304KB

Download
memory/1980-138-0x0000000000000000-mapping.dmp

Download
memory/1980-146-0x0000000004C90000-0x0000000004CB2000-memory.dmp

Filesize
136KB

Download
memory/1980-158-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/1980-147-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/1980-157-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/1980-140-0x00000000046B0000-0x00000000046E6000-memory.dmp

Filesize
216KB

Download
memory/1980-148-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/1980-142-0x0000000004E90000-0x00000000054B8000-memory.dmp

Filesize
6.2MB

Download
memory/1980-156-0x0000000007190000-0x000000000719E000-memory.dmp

Filesize
56KB

Download
memory/1980-155-0x00000000071E0000-0x0000000007276000-memory.dmp

Filesize
600KB

Download
memory/1980-154-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/1980-153-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/1980-152-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/1980-151-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/1980-149-0x0000000006220000-0x0000000006252000-memory.dmp

Filesize
200KB

Download
memory/4212-144-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4212-143-0x0000000000000000-mapping.dmp

Download
memory/4280-139-0x0000000000000000-mapping.dmp

Download
memory/4952-132-0x0000000000B50000-0x0000000000C3E000-memory.dmp

Filesize
952KB

Download
memory/4952-134-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/4952-135-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4952-136-0x0000000009020000-0x00000000090BC000-memory.dmp

Filesize
624KB

Download
memory/4952-133-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/4952-137-0x0000000009330000-0x0000000009396000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads