nanocore | 535a76b11d8e55c1b67db48a5e19521233c2a877f83b65fb6e7edca3257e4a55

General

Target

1e1afc422bdba3c73ad37db86fc86d1c.exe
Size

779KB
MD5

1e1afc422bdba3c73ad37db86fc86d1c
SHA1

7d8fa74ccf56e88aa3a59310a49cc660e7e8c1fc
SHA256

535a76b11d8e55c1b67db48a5e19521233c2a877f83b65fb6e7edca3257e4a55
SHA512

e32a53af3d886d38fb487908eb1d28b521be1c33dc5e31e6b747b0d80c293d39ce058426caf58f155a78355b49f38bdb8d673242e0833a97bf46fdf9effb14bc
SSDEEP

12288:mCc02cBN2iN/22wPCYdURiDssWe7KtPIfoAXttkBb0k85NgmgDiu14GBlT:mCc0nBN1F2RPdCmW6KtwfNteMHg1ikd

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newsddawork.3utilities.com:1620

maxlogs.webhop.me:1620

Mutex

1fa46b72-10f9-4da3-bc15-84dde165706d

Attributes

activate_away_mode
true
backup_connection_host
maxlogs.webhop.me
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-02-17T03:41:10.727034736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1620
default_group
NewBin
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
1fa46b72-10f9-4da3-bc15-84dde165706d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newsddawork.3utilities.com
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

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

1e1afc422bdba3c73ad37db86fc86d1c.exe

description pid process target process

PID 3588 set thread context of 4816 3588 1e1afc422bdba3c73ad37db86fc86d1c.exe RegSvcs.exe

description	pid	process	target process
PID 3588 set thread context of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\NAT Service\natsv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\NAT Service\natsv.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

4816 RegSvcs.exe
4816 RegSvcs.exe
4816 RegSvcs.exe
4816 RegSvcs.exe
4816 RegSvcs.exe
4816 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

4816 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4816 RegSvcs.exe

pid	process
4816	RegSvcs.exe
4816	RegSvcs.exe
4816	RegSvcs.exe
4816	RegSvcs.exe
4816	RegSvcs.exe
4816	RegSvcs.exe

pid	process
4816	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4816	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1e1afc422bdba3c73ad37db86fc86d1c.exe

description	pid	process	target process
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe
PID 3588 wrote to memory of 4816	3588	1e1afc422bdba3c73ad37db86fc86d1c.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1e1afc422bdba3c73ad37db86fc86d1c.exe
"C:\Users\Admin\AppData\Local\Temp\1e1afc422bdba3c73ad37db86fc86d1c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3588

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4816

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3588-14-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-1-0x00000000000B0000-0x000000000017A000-memory.dmp

Filesize
808KB

Download
memory/3588-2-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download
memory/3588-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

Filesize
584KB

Download
memory/3588-4-0x0000000004B70000-0x0000000004B7A000-memory.dmp

Filesize
40KB

Download
memory/3588-5-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3588-6-0x0000000004F90000-0x0000000004FA2000-memory.dmp

Filesize
72KB

Download
memory/3588-7-0x0000000005E40000-0x0000000005E48000-memory.dmp

Filesize
32KB

Download
memory/3588-8-0x0000000005E50000-0x0000000005E5E000-memory.dmp

Filesize
56KB

Download
memory/3588-9-0x0000000005E70000-0x0000000005EEA000-memory.dmp

Filesize
488KB

Download
memory/3588-10-0x0000000009DA0000-0x0000000009E3C000-memory.dmp

Filesize
624KB

Download
memory/3588-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/4816-19-0x00000000054A0000-0x00000000054BE000-memory.dmp

Filesize
120KB

Download
memory/4816-26-0x0000000006720000-0x0000000006732000-memory.dmp

Filesize
72KB

Download
memory/4816-15-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-18-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/4816-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4816-20-0x0000000005F30000-0x0000000005F3A000-memory.dmp

Filesize
40KB

Download
memory/4816-23-0x00000000066D0000-0x00000000066E2000-memory.dmp

Filesize
72KB

Download
memory/4816-24-0x00000000066E0000-0x00000000066FA000-memory.dmp

Filesize
104KB

Download
memory/4816-25-0x0000000006710000-0x000000000671E000-memory.dmp

Filesize
56KB

Download
memory/4816-28-0x0000000006740000-0x000000000674E000-memory.dmp

Filesize
56KB

Download
memory/4816-27-0x0000000006730000-0x000000000673C000-memory.dmp

Filesize
48KB

Download
memory/4816-13-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-29-0x0000000006750000-0x0000000006764000-memory.dmp

Filesize
80KB

Download
memory/4816-30-0x0000000006760000-0x0000000006770000-memory.dmp

Filesize
64KB

Download
memory/4816-32-0x00000000067A0000-0x00000000067AE000-memory.dmp

Filesize
56KB

Download
memory/4816-33-0x00000000067B0000-0x00000000067DE000-memory.dmp

Filesize
184KB

Download
memory/4816-34-0x00000000067F0000-0x0000000006804000-memory.dmp

Filesize
80KB

Download
memory/4816-31-0x0000000006780000-0x0000000006794000-memory.dmp

Filesize
80KB

Download
memory/4816-35-0x0000000006880000-0x00000000068E6000-memory.dmp

Filesize
408KB

Download
memory/4816-37-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-38-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads