nanocore | 5197b3bf92a5d1fd31f26d81692428db58ccb91d76ea8bcb2c506883b273ae0a

General

Target

7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
Size

1.2MB
MD5

7dc0175ec432a24ab6aec9d61e6aba2c
SHA1

979e486687e31aad68a3d8cfa918c21cfa2e483a
SHA256

5197b3bf92a5d1fd31f26d81692428db58ccb91d76ea8bcb2c506883b273ae0a
SHA512

e7063af6ad994c7918dd924b01ae6ca56177a45d54e32e6a5ff00274224289a3ed9679eeb74ff991035f4078296a0a2fae702f4571a138b55728c6d4755882d8
SSDEEP

24576:lu6Jx3O0c+JY5UZ+XC0kGso/Waj9uwxKHPVerciWY:nI0c++OCvkGsUWaj0wgHPVaUY

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

3112r.duckdns.org:5654

3113r.duckdns.org:5654

Mutex

9365c7dc-1101-4f0b-bbb6-857716ad8621

Attributes

activate_away_mode
true
backup_connection_host
3113r.duckdns.org
backup_dns_server
3113r.duckdns.org
buffer_size
65535
build_time
2019-09-27T13:14:07.464020836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5654
default_group
sharper
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
9365c7dc-1101-4f0b-bbb6-857716ad8621
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
3112r.duckdns.org
primary_dns_server
3112r.duckdns.org
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:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe

description pid process target process

PID 2820 set thread context of 2560 2820 7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe RegAsm.exe
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/Job
T1053

Processes:

schtasks.exe

pid process

2072 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

2560 RegAsm.exe
2560 RegAsm.exe
2560 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

2560 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2560 RegAsm.exe

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

description	pid	process	target process
PID 2820 set thread context of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe

pid	process
2072	schtasks.exe

pid	process
2560	RegAsm.exe
2560	RegAsm.exe
2560	RegAsm.exe

pid	process
2560	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2560	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe

pid	process
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe

pid	process
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exeRegAsm.exe

description	pid	process	target process
PID 2820 wrote to memory of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe
PID 2820 wrote to memory of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe
PID 2820 wrote to memory of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe
PID 2820 wrote to memory of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe
PID 2820 wrote to memory of 2560	2820	7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe	RegAsm.exe
PID 2560 wrote to memory of 2072	2560	RegAsm.exe	schtasks.exe
PID 2560 wrote to memory of 2072	2560	RegAsm.exe	schtasks.exe
PID 2560 wrote to memory of 2072	2560	RegAsm.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7dc0175ec432a24ab6aec9d61e6aba2c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5525.tmp"
3⤵
- Creates scheduled task(s)
PID:2072

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5525.tmp
Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2560-1-0x00000000001A0000-0x00000000001D8000-memory.dmp

Filesize
224KB

Download
memory/2560-6-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

Filesize
2.0MB

Download
memory/2560-7-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

Filesize
2.0MB

Download
memory/2560-12-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

Filesize
2.0MB

Download
memory/2820-0-0x00007FFF7C9B0000-0x00007FFF7CBA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads