nanocore | c81b8f4e3913f35f78702f1848b10dfbf81ce84c0e240f9af463b94fe2c2d2b2

General

Target

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
Size

1.4MB
MD5

7feb921d455110673638dcd0d2a12139
SHA1

263f52ebf0d5cac5505ac4eb101ad85fd15f7ac2
SHA256

c81b8f4e3913f35f78702f1848b10dfbf81ce84c0e240f9af463b94fe2c2d2b2
SHA512

5762bec714b9ea155f99f1cbc340803143f683a97770af7ea0156512a22bd42f6c02ca06f609d9d9d086ef10eda87b7cb72a7abd8668af99c040e5911850a7fb
SSDEEP

24576:1u6Jx3O0c+JY5UZ+XC0kGso/WaulMBxMJwE9LgbezWY:XI0c++OCvkGsUWauObNY

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

queen101.ddns.net:4050

Mutex

94724ccb-e307-4d91-9cde-954ab4b78baa

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-09-08T14:35:36.962164136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4050
default_group
yoo
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
94724ccb-e307-4d91-9cde-954ab4b78baa
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
queen101.ddns.net
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

Processes:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\atl.url	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

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:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

description pid process target process

PID 4464 set thread context of 4012 4464 7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe 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 4464 set thread context of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

pid	process
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

4012 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4012 RegAsm.exe

pid	process
4012	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4012	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

pid	process
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

pid	process
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe

description	pid	process	target process
PID 4464 wrote to memory of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe
PID 4464 wrote to memory of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe
PID 4464 wrote to memory of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe
PID 4464 wrote to memory of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe
PID 4464 wrote to memory of 4012	4464	7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7feb921d455110673638dcd0d2a12139_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4464

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: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4012

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4012-5-0x0000000000740000-0x0000000000778000-memory.dmp

Filesize
224KB

Download
memory/4012-10-0x0000000073582000-0x0000000073583000-memory.dmp

Filesize
4KB

Download
memory/4012-11-0x0000000073580000-0x0000000073B31000-memory.dmp

Filesize
5.7MB

Download
memory/4012-12-0x0000000073580000-0x0000000073B31000-memory.dmp

Filesize
5.7MB

Download
memory/4012-14-0x0000000073582000-0x0000000073583000-memory.dmp

Filesize
4KB

Download
memory/4012-15-0x0000000073580000-0x0000000073B31000-memory.dmp

Filesize
5.7MB

Download
memory/4464-3-0x0000000000BA0000-0x0000000000BD3000-memory.dmp

Filesize
204KB

Download
memory/4464-4-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads