nanocore | c268591fa51b51e0fb669977b3286067942ec41075a38b3712cf13cd36b8158b

General

Target

Purchase Order_pdf.exe
Size

626KB
MD5

37e14d09f1bd3bf7dcad19ff69f08e4f
SHA1

22e7b942a69d4b867fa476d1656c607c8a835c0a
SHA256

bbcd00ab6d762a74c3c2e6da18d74880c6277de30205f0ad758b4968103415f7
SHA512

c5846514584e1e3d8cfa4a0690d85535a44f96a30d9a1714be637c268bba032386defc85eac6a6cb03f2ea64e5985190e3623375592bda99a10feb06b9c1b52f

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.18:2222

Mutex

d8c3b5d0-fd16-4aa8-96e5-dbc6e3e631d9

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-25T13:38:19.630685736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2222
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
d8c3b5d0-fd16-4aa8-96e5-dbc6e3e631d9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.30.18
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:

Purchase Order_pdf.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"	Purchase Order_pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Purchase Order_pdf.exe

description ioc process

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

Processes:

Purchase Order_pdf.exe

description pid process target process

PID 3472 set thread context of 2668 3472 Purchase Order_pdf.exe Purchase Order_pdf.exe

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

description	pid	process	target process
PID 3472 set thread context of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

Purchase Order_pdf.exe

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Purchase Order_pdf.exePurchase Order_pdf.exe

pid	process
3472	Purchase Order_pdf.exe
3472	Purchase Order_pdf.exe
3472	Purchase Order_pdf.exe
2668	Purchase Order_pdf.exe
2668	Purchase Order_pdf.exe
2668	Purchase Order_pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Purchase Order_pdf.exe

pid process

2668 Purchase Order_pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order_pdf.exePurchase Order_pdf.exe

description pid process

Token: SeDebugPrivilege 3472 Purchase Order_pdf.exe
Token: SeDebugPrivilege 2668 Purchase Order_pdf.exe

pid	process
2668	Purchase Order_pdf.exe

description	pid	process
Token: SeDebugPrivilege	3472	Purchase Order_pdf.exe
Token: SeDebugPrivilege	2668	Purchase Order_pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Purchase Order_pdf.exe

description	pid	process	target process
PID 3472 wrote to memory of 3684	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 3684	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 3684	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe
PID 3472 wrote to memory of 2668	3472	Purchase Order_pdf.exe	Purchase Order_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472

C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe"
2⤵
PID:3684

C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_pdf.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:2668

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

memory/2668-136-0x0000000000000000-mapping.dmp

Download
memory/2668-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3472-130-0x0000000000FD0000-0x0000000001072000-memory.dmp

Filesize
648KB

Download
memory/3472-131-0x0000000005F50000-0x00000000064F4000-memory.dmp

Filesize
5.6MB

Download
memory/3472-132-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/3472-133-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

Filesize
624KB

Download
memory/3472-134-0x0000000005A10000-0x0000000005A1A000-memory.dmp

Filesize
40KB

Download
memory/3684-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads