nanocore | 6cd321b504c7323e893fa7e55125696ba87ab42fc3077e11ff9eedabd6b0893e

General

Target

BOOKING.exe
Size

291KB
MD5

c97d31e6c4311d688c7de8a19ba9f488
SHA1

2c0aa234321581f6414535e165a832b8cd4a4704
SHA256

1fbae4f859c40f9446d06e76a4acf496fe0a43fb93b87f87d1077ab8a4490480
SHA512

62ffa02b28fa3105aa8da596d3f1fa3d26e820909de85e63dc1b539ac02305e08d5e77ec06a462f9864c281d3ff5db71fb8c9f624ea973c99981da080fa8b0ee

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u852117.nvpn.so:5638

Mutex

31a1bd10-70b4-4419-9b7f-75dbc4160d94

Attributes

activate_away_mode
true
backup_connection_host
u852117.nvpn.so
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-11T21:26:44.406621436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5638
default_group
NEW COMCASTED
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
31a1bd10-70b4-4419-9b7f-75dbc4160d94
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u852117.nvpn.so
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BOOKING.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsvc.exe"	BOOKING.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

BOOKING.exe

description ioc process

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

Processes:

BOOKING.exe

description pid process target process

PID 2724 set thread context of 3492 2724 BOOKING.exe BOOKING.exe

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

description	pid	process	target process
PID 2724 set thread context of 3492	2724	BOOKING.exe	BOOKING.exe

Drops file in Program Files directory 2 IoCs

Processes:

BOOKING.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsvc.exe	BOOKING.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsvc.exe	BOOKING.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

BOOKING.exe

pid process

3492 BOOKING.exe
3492 BOOKING.exe
3492 BOOKING.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BOOKING.exe

pid process

3492 BOOKING.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BOOKING.exe

description pid process

Token: SeDebugPrivilege 3492 BOOKING.exe

pid	process
3492	BOOKING.exe
3492	BOOKING.exe
3492	BOOKING.exe

pid	process
3492	BOOKING.exe

description	pid	process
Token: SeDebugPrivilege	3492	BOOKING.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

BOOKING.exe

description	pid	process	target process
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe
PID 2724 wrote to memory of 3492	2724	BOOKING.exe	BOOKING.exe

C:\Users\Admin\AppData\Local\Temp\BOOKING.exe
"C:\Users\Admin\AppData\Local\Temp\BOOKING.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724

C:\Users\Admin\AppData\Local\Temp\BOOKING.exe
C:\Users\Admin\AppData\Local\Temp\BOOKING.exe
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3492

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BOOKING.exe.log
Filesize
42B

MD5
84cfdb4b995b1dbf543b26b86c863adc

SHA1
d2f47764908bf30036cf8248b9ff5541e2711fa2

SHA256
d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

SHA512
485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

Download Submit
memory/2724-130-0x00000000002B0000-0x00000000002CB000-memory.dmp

Filesize
108KB

Download
memory/2724-134-0x0000000004F50000-0x0000000005040000-memory.dmp

Filesize
960KB

Download
memory/3492-131-0x0000000000000000-mapping.dmp

Download
memory/3492-132-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3492-135-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/3492-136-0x0000000004E30000-0x0000000004EC2000-memory.dmp

Filesize
584KB

Download
memory/3492-137-0x0000000004F70000-0x000000000500C000-memory.dmp

Filesize
624KB

Download
memory/3492-138-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads