nanocore | caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648

General

Target

caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
Size

891KB
MD5

742f9acb0afd3f441ddb2a7c05b83930
SHA1

3bd1d38c8f97af03e74e741d01b8712816c56ed6
SHA256

caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648
SHA512

7c8214243b96e21f26125a5d818b7c9f096b2cfa615faff03b2c8049b623d18f42be07cb766b330bd382bf5465761c444f69a528724693b7365c9ee11744d433
SSDEEP

12288:D3vWN7/wtNb5lO/SZ+BLOwI0YBI6SEC3uTJHdK+5LJ2AVZn3LCC4BUi/CiRKBdRU:jvWbWNlISkEP1LqAH9k+50X

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jamesilovecorn.myftp.biz:80

Mutex

db458c24-3972-48e0-85a6-e30efaedfd31

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-10-10T21:18:36.993322336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
80
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
db458c24-3972-48e0-85a6-e30efaedfd31
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jamesilovecorn.myftp.biz
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
Nanocore family
nanocore

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3200	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
3200	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
3200	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3200	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
Token: SeDebugPrivilege	3200	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83
PID 2252 wrote to memory of 3200	2252	caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe	83

C:\Users\Admin\AppData\Local\Temp\caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
"C:\Users\Admin\AppData\Local\Temp\caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe
  "C:\Users\Admin\AppData\Local\Temp\caf2e6460e16dcf075f3ea8e0680b6a365fb3c211ac405d84de4a7ef71737648N.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2252-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2252-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2252-3-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2252-8-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3200-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3200-5-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3200-7-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3200-10-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3200-11-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3200-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing