nanocore | 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088

General

Target

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
Size

626KB
MD5

e2196865b5bf76a88e29aca44bf3d2be
SHA1

a9b8f4e43508a4b22d937fb7c311fc74073e8f9c
SHA256

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088
SHA512

3cdfaa47b6d5d2a7e833a964b5af13b33b8d49f1faae0fe07a352d534c22e71a1a359d2f826cb1a133fd9c1a0e3a92cf3dc65544ae1f37b0eba792cd1b6dbc49
SSDEEP

12288:nlYifTETxUhUON64V5m6xYFF8r6VXjgupuMb:miQTGhU26a5m6uv8rpupu

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

xpwarzonlin2.ddns.net:1996

Mutex

ca9f3160-72cd-488b-b81c-36547a098a95

Attributes

activate_away_mode
true
backup_connection_host
xpwarzonlin2.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-03-01T13:08:23.726574636Z
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
1996
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
ca9f3160-72cd-488b-b81c-36547a098a95
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xpwarzonlin2.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:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe"	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	pid	process	target process
PID 1232 set thread context of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Drops file in Program Files directory 2 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	ioc	process
File created	C:\Program Files (x86)\LAN Monitor\lanmon.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
File opened for modification	C:\Program Files (x86)\LAN Monitor\lanmon.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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

1788 schtasks.exe
404 schtasks.exe

pid	process
1788	schtasks.exe
404	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

pid	process
1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

pid process

1636 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description pid process

Token: SeDebugPrivilege 1636 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	pid	process
Token: SeDebugPrivilege	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	pid	process	target process
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1232 wrote to memory of 1636	1232	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1636 wrote to memory of 1788	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 1636 wrote to memory of 1788	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 1636 wrote to memory of 1788	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 1636 wrote to memory of 404	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 1636 wrote to memory of 404	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 1636 wrote to memory of 404	1636	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8702.tmp"
3⤵
- Creates scheduled task(s)
PID:1788

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp"
3⤵
- Creates scheduled task(s)
PID:404

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8702.tmp
Filesize
1KB

MD5
d9626ef59db284bac911f216d73b6824

SHA1
6996f109718602b667fc93ccc680a491ba48a346

SHA256
7f9ae771081cf5f64d8df88da0cb1b243724f20ff8f547399c59b39abf8b01bc

SHA512
da647942652ede9836c32ce00e8c1bd8564e2b18edc292c2a736104d708d184f85cb001a488bf2af0c4c2d64f988ac79dc2efc78224ff4687f5e3345658f8c81

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp
Filesize
1KB

MD5
ecf141ec69adbb2a5c3dd5c85cd0ec39

SHA1
0ad224632fa58d103142c05c44a142f3d7208291

SHA256
64d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316

SHA512
4821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201

Download Submit
memory/1232-5-0x0000000005C80000-0x0000000005D1C000-memory.dmp

Filesize
624KB

Download
memory/1232-1-0x0000000000F10000-0x0000000000FB2000-memory.dmp

Filesize
648KB

Download
memory/1232-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/1232-6-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1232-7-0x0000000005C60000-0x0000000005C7A000-memory.dmp

Filesize
104KB

Download
memory/1232-8-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/1232-9-0x0000000006F60000-0x0000000006FDA000-memory.dmp

Filesize
488KB

Download
memory/1232-4-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/1232-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/1232-2-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/1232-14-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1636-15-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1636-13-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1636-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1636-23-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/1636-24-0x0000000005370000-0x000000000538E000-memory.dmp

Filesize
120KB

Download
memory/1636-25-0x00000000062A0000-0x00000000062AA000-memory.dmp

Filesize
40KB

Download
memory/1636-26-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/1636-27-0x0000000074A50000-0x0000000075200000-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