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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exe

description pid process target process

PID 1624 set thread context of 1756 1624 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

1476 schtasks.exe
576 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1756 RegSvcs.exe
1756 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1756 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1756 RegSvcs.exe

description	pid	process	target process
PID 1624 set thread context of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe

pid	process
1476	schtasks.exe
576	schtasks.exe

pid	process
1756	RegSvcs.exe
1756	RegSvcs.exe

pid	process
1756	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1756	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Payment_Reminder_UnPaid_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 1624 wrote to memory of 1476	1624	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 1624 wrote to memory of 1476	1624	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 1624 wrote to memory of 1476	1624	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 1624 wrote to memory of 1476	1624	Payment_Reminder_UnPaid_PDF.exe	schtasks.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1624 wrote to memory of 1756	1624	Payment_Reminder_UnPaid_PDF.exe	RegSvcs.exe
PID 1756 wrote to memory of 576	1756	RegSvcs.exe	schtasks.exe
PID 1756 wrote to memory of 576	1756	RegSvcs.exe	schtasks.exe
PID 1756 wrote to memory of 576	1756	RegSvcs.exe	schtasks.exe
PID 1756 wrote to memory of 576	1756	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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Hmazyl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F2C.tmp"
2⤵
- Creates scheduled task(s)
PID:1476

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:1756

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp340C.tmp"
3⤵
- Creates scheduled task(s)
PID:576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2F2C.tmp
Filesize
1KB

MD5
aeefce80e6dd65e2b210d901d734177e

SHA1
5bb2774a6c1cac15b89813972cd8acdf77dc1aa9

SHA256
11e6c79c2615d430665ffac9a67afaa7c50b18e18980d82898d9fda6587a714e

SHA512
571414f577a9a4e5bf73891c7398e6a7636f474eda668dce296057dae2f6c839983e665d2fdd8cb75361dcccdcaa6c905ce10cded886001527fe96de3dbd476d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp340C.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/576-72-0x0000000000000000-mapping.dmp

Download
memory/1476-56-0x0000000000000000-mapping.dmp

Download
memory/1624-54-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1624-55-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1756-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-65-0x000000000041E792-mapping.dmp

Download
memory/1756-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-71-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1756-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-74-0x00000000020F6000-0x0000000002107000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads