nanocore | c1fe3e56f08c36036a18d891a41fe2b59dbb1b6ba24e0d5237e05ed32c810390

General

Target

2208753-866432.exe
Size

819KB
MD5

9da635ac2ddb4110650e12cf1b49807d
SHA1

6596d90c96829258c22bf1a645b35db7ecfe6746
SHA256

c1fe3e56f08c36036a18d891a41fe2b59dbb1b6ba24e0d5237e05ed32c810390
SHA512

ee94c6707bde6537a322524833cf495323aca2be97fc24e797765491b911353e61034902670556f98e5fa17c225206e0816deba386e880f0205e2ebc9c05232c

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fgtrert.duckdns.org:4948

qweerreww.duckdns.org:4948

Mutex

f9d67c34-3506-4888-9966-78d7bc0f3872

Attributes

activate_away_mode
true
backup_connection_host
qweerreww.duckdns.org
backup_dns_server
qweerreww.duckdns.org
buffer_size
65535
build_time
2020-11-08T18:33:11.699418536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4948
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
f9d67c34-3506-4888-9966-78d7bc0f3872
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
fgtrert.duckdns.org
primary_dns_server
fgtrert.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:

2208753-866432.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2208753-866432.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

2208753-866432.exe

description pid process target process

PID 1648 set thread context of 380 1648 2208753-866432.exe 2208753-866432.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

2208753-866432.exe

pid process

380 2208753-866432.exe
380 2208753-866432.exe
380 2208753-866432.exe
380 2208753-866432.exe
380 2208753-866432.exe
380 2208753-866432.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2208753-866432.exe

pid process

380 2208753-866432.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2208753-866432.exe2208753-866432.exe

description pid process

Token: SeDebugPrivilege 1648 2208753-866432.exe
Token: SeDebugPrivilege 380 2208753-866432.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2208753-866432.exe

description	pid	process	target process
PID 1648 set thread context of 380	1648	2208753-866432.exe	2208753-866432.exe

pid	process
380	2208753-866432.exe
380	2208753-866432.exe
380	2208753-866432.exe
380	2208753-866432.exe
380	2208753-866432.exe
380	2208753-866432.exe

pid	process
380	2208753-866432.exe

description	pid	process
Token: SeDebugPrivilege	1648	2208753-866432.exe
Token: SeDebugPrivilege	380	2208753-866432.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2208753-866432.exe

description	pid	process	target process
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe
PID 1648 wrote to memory of 380	1648	2208753-866432.exe	2208753-866432.exe

C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
"C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648

C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/380-16-0x0000000000690000-0x0000000000693000-memory.dmp

Filesize
12KB

Download
memory/380-23-0x00000000046D0000-0x00000000046DD000-memory.dmp

Filesize
52KB

Download
memory/380-28-0x0000000004D00000-0x0000000004D0F000-memory.dmp

Filesize
60KB

Download
memory/380-27-0x0000000004D50000-0x0000000004D79000-memory.dmp

Filesize
164KB

Download
memory/380-17-0x0000000002010000-0x000000000201D000-memory.dmp

Filesize
52KB

Download
memory/380-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/380-9-0x000000000041E792-mapping.dmp

Download
memory/380-18-0x0000000004200000-0x0000000004215000-memory.dmp

Filesize
84KB

Download
memory/380-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/380-13-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/380-14-0x0000000000630000-0x0000000000635000-memory.dmp

Filesize
20KB

Download
memory/380-15-0x0000000001FB0000-0x0000000001FC9000-memory.dmp

Filesize
100KB

Download
memory/380-26-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/380-25-0x0000000004830000-0x000000000483F000-memory.dmp

Filesize
60KB

Download
memory/380-10-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/380-19-0x0000000004270000-0x0000000004276000-memory.dmp

Filesize
24KB

Download
memory/380-20-0x00000000042D0000-0x00000000042DC000-memory.dmp

Filesize
48KB

Download
memory/380-21-0x00000000042E0000-0x00000000042E7000-memory.dmp

Filesize
28KB

Download
memory/380-22-0x00000000042F0000-0x00000000042F6000-memory.dmp

Filesize
24KB

Download
memory/380-24-0x00000000046E0000-0x00000000046E9000-memory.dmp

Filesize
36KB

Download
memory/1648-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1648-7-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/1648-5-0x00000000073D0000-0x00000000073D1000-memory.dmp

Filesize
4KB

Download
memory/1648-6-0x0000000000530000-0x0000000000534000-memory.dmp

Filesize
16KB

Download
memory/1648-2-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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