nanocore | 7cc55e36af8f08b8220cc495cb2b0428b31fe65995ca8cc9daf2c0ae44bfd6dd

General

Target

Payment_Reminder_UnPaid_PDF.exe
Size

833KB
MD5

e45fc1ce72759efbd73464ce89b535d1
SHA1

243c1961e393aa5f7ca0dd48a91f951e6cadbb30
SHA256

2a828598f4c66e85305d93ce56bad4c27b7bd6a446eb9b9cec27d961b2591b95
SHA512

28cd2ff5b814ecc88dbdf1025f733fdcdddb60888c5ca9fc997b547bdf6888704856b9ecef95a6366b439441f11a6c49653da1bab3457fb1bfcad4b1e6fc06f0

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u870797.nvpn.to:3119

Mutex

7ad391b4-5bbc-4b89-a511-e972f9ef766e

Attributes

activate_away_mode
true
backup_connection_host
u870797.nvpn.to
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-25T17:16:54.733073636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3119
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
7ad391b4-5bbc-4b89-a511-e972f9ef766e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u870797.nvpn.to
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Payment_Reminder_UnPaid_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Payment_Reminder_UnPaid_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exe

description pid process target process

PID 3504 set thread context of 4868 3504 Payment_Reminder_UnPaid_PDF.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3484 schtasks.exe
3976 schtasks.exe

description	pid	process	target process
PID 3504 set thread context of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe

pid	process
3484	schtasks.exe
3976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exeRegSvcs.exe

pid	process
3504	Payment_Reminder_UnPaid_PDF.exe
3504	Payment_Reminder_UnPaid_PDF.exe
3504	Payment_Reminder_UnPaid_PDF.exe
4868	RegSvcs.exe
4868	RegSvcs.exe
4868	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

4868 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3504 Payment_Reminder_UnPaid_PDF.exe
Token: SeDebugPrivilege 4868 RegSvcs.exe

pid	process
4868	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3504	Payment_Reminder_UnPaid_PDF.exe
Token: SeDebugPrivilege	4868	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 3504 wrote to memory of 3484	3504	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 3504 wrote to memory of 3484	3504	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 3504 wrote to memory of 3484	3504	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 3504 wrote to memory of 224	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 224	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 224	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 3504 wrote to memory of 4868	3504	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 4868 wrote to memory of 3976	4868	RegSvcs.exe	schtasks.exe
PID 4868 wrote to memory of 3976	4868	RegSvcs.exe	schtasks.exe
PID 4868 wrote to memory of 3976	4868	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Reminder_UnPaid_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Reminder_UnPaid_PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Hmazyl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50EA.tmp"
2⤵
- Creates scheduled task(s)
PID:3484

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
PID:224

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B86.tmp"
3⤵
- Creates scheduled task(s)
PID:3976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50EA.tmp
Filesize
1KB

MD5
eb22a65cc64b648ebb31c4836db887f7

SHA1
50f0a38beceb42485ad2170ea931b7fc8628eac9

SHA256
b1893ffc44988e74374f83f92d7264f22b8412242c18f1d3f5a5b73e1d15ffbd

SHA512
6aa25b447e65deeb4ab9b3104aab76393e456bbf7b956e50b02b469d9ee682c4226a7e8e25ed75aa3ea3e4338acaebcf8784f5f04714350ca1bced9782fe587f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6B86.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/224-133-0x0000000000000000-mapping.dmp

Download
memory/3484-131-0x0000000000000000-mapping.dmp

Download
memory/3504-130-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/3976-136-0x0000000000000000-mapping.dmp

Download
memory/4868-134-0x0000000000000000-mapping.dmp

Download
memory/4868-135-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4868-138-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads