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 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 1280 set thread context of 584 1280 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

1700 schtasks.exe

description	pid	process	target process
PID 1280 set thread context of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe

pid	process
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exepowershell.exea440839332ab9d93644827ad59b21ff2.exe

pid	process
1280	a440839332ab9d93644827ad59b21ff2.exe
1280	a440839332ab9d93644827ad59b21ff2.exe
1280	a440839332ab9d93644827ad59b21ff2.exe
1280	a440839332ab9d93644827ad59b21ff2.exe
1348	powershell.exe
584	a440839332ab9d93644827ad59b21ff2.exe
584	a440839332ab9d93644827ad59b21ff2.exe
584	a440839332ab9d93644827ad59b21ff2.exe
584	a440839332ab9d93644827ad59b21ff2.exe
584	a440839332ab9d93644827ad59b21ff2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exe

pid process

584 a440839332ab9d93644827ad59b21ff2.exe

pid	process
584	a440839332ab9d93644827ad59b21ff2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exepowershell.exea440839332ab9d93644827ad59b21ff2.exe

description	pid	process
Token: SeDebugPrivilege	1280	a440839332ab9d93644827ad59b21ff2.exe
Token: SeDebugPrivilege	1348	powershell.exe
Token: SeDebugPrivilege	584	a440839332ab9d93644827ad59b21ff2.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

a440839332ab9d93644827ad59b21ff2.exe

description	pid	process	target process
PID 1280 wrote to memory of 1348	1280	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 1280 wrote to memory of 1348	1280	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 1280 wrote to memory of 1348	1280	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 1280 wrote to memory of 1348	1280	a440839332ab9d93644827ad59b21ff2.exe	powershell.exe
PID 1280 wrote to memory of 1700	1280	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 1280 wrote to memory of 1700	1280	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 1280 wrote to memory of 1700	1280	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 1280 wrote to memory of 1700	1280	a440839332ab9d93644827ad59b21ff2.exe	schtasks.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe
PID 1280 wrote to memory of 584	1280	a440839332ab9d93644827ad59b21ff2.exe	a440839332ab9d93644827ad59b21ff2.exe

C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe
"C:\Users\Admin\AppData\Local\Temp\a440839332ab9d93644827ad59b21ff2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

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:1348

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlRIJxyonelRh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0D0.tmp"
2⤵
- Creates scheduled task(s)
PID:1700

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:584

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC0D0.tmp
Filesize
1KB

MD5
9748223585378e99d97374981a63fefb

SHA1
cd2c1e4943559fd206bbf219abf8d04cceeba070

SHA256
ee51c5f7cdec3c63155ec93f37519f3563f54e9391a9d97fd5df7ecaa8d7c4c4

SHA512
6c241ef8b37c4f853532c0cd38fc6c91b67c7f5fc3194b4a4c1b0139242714d5ef30c43aabb7f7192794674a877a273ac90680c3e3a72642414d781ae6b62a51

Download Submit
memory/584-84-0x00000000009F0000-0x00000000009FE000-memory.dmp

Filesize
56KB

Download
memory/584-86-0x0000000000C20000-0x0000000000C2C000-memory.dmp

Filesize
48KB

Download
memory/584-93-0x0000000002260000-0x0000000002274000-memory.dmp

Filesize
80KB

Download
memory/584-89-0x0000000002220000-0x0000000002230000-memory.dmp

Filesize
64KB

Download
memory/584-90-0x0000000002230000-0x0000000002244000-memory.dmp

Filesize
80KB

Download
memory/584-91-0x0000000002240000-0x000000000224E000-memory.dmp

Filesize
56KB

Download
memory/584-92-0x0000000004800000-0x000000000482E000-memory.dmp

Filesize
184KB

Download
memory/584-78-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/584-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-79-0x00000000009A0000-0x00000000009BE000-memory.dmp

Filesize
120KB

Download
memory/584-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/584-88-0x0000000002210000-0x0000000002224000-memory.dmp

Filesize
80KB

Download
memory/584-87-0x0000000000C30000-0x0000000000C3E000-memory.dmp

Filesize
56KB

Download
memory/584-71-0x000000000041E792-mapping.dmp

Download
memory/584-80-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/584-85-0x0000000000A60000-0x0000000000A72000-memory.dmp

Filesize
72KB

Download
memory/584-82-0x00000000009C0000-0x00000000009D2000-memory.dmp

Filesize
72KB

Download
memory/584-83-0x0000000000A40000-0x0000000000A5A000-memory.dmp

Filesize
104KB

Download
memory/1280-54-0x00000000001B0000-0x000000000029E000-memory.dmp

Filesize
952KB

Download
memory/1280-56-0x0000000000360000-0x0000000000378000-memory.dmp

Filesize
96KB

Download
memory/1280-63-0x0000000004890000-0x00000000048CA000-memory.dmp

Filesize
232KB

Download
memory/1280-58-0x0000000005F60000-0x0000000005FF4000-memory.dmp

Filesize
592KB

Download
memory/1280-55-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1280-57-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/1348-81-0x000000006E580000-0x000000006EB2B000-memory.dmp

Filesize
5.7MB

Download
memory/1348-59-0x0000000000000000-mapping.dmp

Download
memory/1348-77-0x000000006E580000-0x000000006EB2B000-memory.dmp

Filesize
5.7MB

Download
memory/1700-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads