nanocore | b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c

General

Target

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe
Size

1.1MB
MD5

c6df0f1fdf3b0d52580f6375537a144a
SHA1

639e22e5ace59d41e039c8e89131f69bc8da96e7
SHA256

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c
SHA512

ce8552ceea68a0c7e6bbef63fcbbe8ce6a2192bb4dfb96c74a93a13a059698fe31e2b42360183649d1dc9cc096441ae741ae98180634d9f588565437a8c1de8d
SSDEEP

24576:GAHnh+eWsN3skA4RV1Hom2KXMmHatdwFWWMX/5:hh+ZkldoPK8YatiFWWMh

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

zaragoza.ddns.net:6318

Mutex

23bc2405-d53d-4763-a563-8ae141477f39

Attributes

activate_away_mode
true
backup_connection_host
zaragoza.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-03-05T18:44:12.253319636Z
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
6318
default_group
BULKMONEY
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
23bc2405-d53d-4763-a563-8ae141477f39
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
zaragoza.ddns.net
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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

description	pid	process	target process
PID 2248 set thread context of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	RegSvcs.exe

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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2708 schtasks.exe
2600 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2772 RegSvcs.exe
2772 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2772 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

pid process

2248 b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2772 RegSvcs.exe

pid	process
2708	schtasks.exe
2600	schtasks.exe

pid	process
2772	RegSvcs.exe
2772	RegSvcs.exe

pid	process
2772	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2772	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

pid	process
2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe
2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

pid	process
2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe
2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exeRegSvcs.exe

description	pid	process	target process
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2248 wrote to memory of 2772	2248	b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe	RegSvcs.exe
PID 2772 wrote to memory of 2708	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2708	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2708	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2708	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2600	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2600	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2600	2772	RegSvcs.exe	schtasks.exe
PID 2772 wrote to memory of 2600	2772	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe
"C:\Users\Admin\AppData\Local\Temp\b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\b0ad6f779e4a72a0e75bb48eec11e8b2f270c95078054e9559505efce6a25c8c.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpACA.tmp"
3⤵
- Creates scheduled task(s)
PID:2708

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB57.tmp"
3⤵
- Creates scheduled task(s)
PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpACA.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB57.tmp

Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
memory/2248-10-0x0000000000560000-0x0000000000564000-memory.dmp

Filesize
16KB

Download
memory/2772-18-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-16-0x0000000073F41000-0x0000000073F42000-memory.dmp

Filesize
4KB

Download
memory/2772-17-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2772-26-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-27-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-28-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-29-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-30-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads