nanocore | 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088

General

Target

MB263350411AE.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:

MB263350411AE.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	MB263350411AE.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

MB263350411AE.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MB263350411AE.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

MB263350411AE.exe

description pid process target process

PID 3060 set thread context of 2988 3060 MB263350411AE.exe MB263350411AE.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	MB263350411AE.exe

description	pid	process	target process
PID 3060 set thread context of 2988	3060	MB263350411AE.exe	MB263350411AE.exe

Drops file in Program Files directory 2 IoCs

Processes:

MB263350411AE.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsv.exe	MB263350411AE.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsv.exe	MB263350411AE.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

2588 schtasks.exe
2632 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

MB263350411AE.exe

pid process

2988 MB263350411AE.exe
2988 MB263350411AE.exe
2988 MB263350411AE.exe
2988 MB263350411AE.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MB263350411AE.exe

pid process

2988 MB263350411AE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MB263350411AE.exe

description pid process

Token: SeDebugPrivilege 2988 MB263350411AE.exe

pid	process
2588	schtasks.exe
2632	schtasks.exe

pid	process
2988	MB263350411AE.exe
2988	MB263350411AE.exe
2988	MB263350411AE.exe
2988	MB263350411AE.exe

pid	process
2988	MB263350411AE.exe

description	pid	process
Token: SeDebugPrivilege	2988	MB263350411AE.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

MB263350411AE.exeMB263350411AE.exe

description	pid	process	target process
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 3060 wrote to memory of 2988	3060	MB263350411AE.exe	MB263350411AE.exe
PID 2988 wrote to memory of 2588	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2588	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2588	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2588	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2632	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2632	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2632	2988	MB263350411AE.exe	schtasks.exe
PID 2988 wrote to memory of 2632	2988	MB263350411AE.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe
"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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:2988

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4911.tmp"
3⤵
- Creates scheduled task(s)
PID:2588

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4A2B.tmp"
3⤵
- Creates scheduled task(s)
PID:2632

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4911.tmp
Filesize
1KB

MD5
7c43147ac70e592d3acc3e6a27111053

SHA1
53748eb6ebe48adbd036a6ba50bbcaaec652679e

SHA256
23cab1d670839621ad7bf4d674ec424692d8c35f5a377ee8ff8860f64a920f7f

SHA512
e3c480ef85d8cf7f1f5239b93f69202fd95efc3852cf9e1d69555abb17f7fab2f213626af564507cc55c0f573587ebd1137e099b859df7cfee7a37b9326bcf63

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4A2B.tmp
Filesize
1KB

MD5
93fc3117767507c9889abd12dc667d22

SHA1
1096e4cfa0c35756e3c3fb866c1e4c1e59115df9

SHA256
684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a

SHA512
e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

Download Submit
memory/2988-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-41-0x00000000009B0000-0x00000000009BC000-memory.dmp

Filesize
48KB

Download
memory/2988-50-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-49-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-47-0x0000000002320000-0x0000000002334000-memory.dmp

Filesize
80KB

Download
memory/2988-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-31-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/2988-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-32-0x0000000000450000-0x000000000046E000-memory.dmp

Filesize
120KB

Download
memory/2988-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-21-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-22-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-46-0x0000000004430000-0x000000000445E000-memory.dmp

Filesize
184KB

Download
memory/2988-45-0x00000000021C0000-0x00000000021CE000-memory.dmp

Filesize
56KB

Download
memory/2988-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-44-0x0000000000A90000-0x0000000000AA4000-memory.dmp

Filesize
80KB

Download
memory/2988-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2988-33-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2988-36-0x00000000005E0000-0x00000000005F2000-memory.dmp

Filesize
72KB

Download
memory/2988-37-0x00000000005F0000-0x000000000060A000-memory.dmp

Filesize
104KB

Download
memory/2988-38-0x00000000006A0000-0x00000000006AE000-memory.dmp

Filesize
56KB

Download
memory/2988-40-0x00000000009A0000-0x00000000009AE000-memory.dmp

Filesize
56KB

Download
memory/2988-39-0x0000000000700000-0x0000000000712000-memory.dmp

Filesize
72KB

Download
memory/2988-43-0x0000000000A80000-0x0000000000A90000-memory.dmp

Filesize
64KB

Download
memory/2988-42-0x0000000000A70000-0x0000000000A84000-memory.dmp

Filesize
80KB

Download
memory/3060-3-0x0000000000700000-0x000000000071A000-memory.dmp

Filesize
104KB

Download
memory/3060-0-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/3060-2-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-23-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/3060-1-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/3060-5-0x0000000004950000-0x00000000049CA000-memory.dmp

Filesize
488KB

Download
memory/3060-4-0x00000000004D0000-0x00000000004E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads