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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.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 1936 set thread context of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Drops file in Program Files directory 2 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
File created	C:\Program Files (x86)\DOS Manager\dosmgr.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

2308 schtasks.exe
2536 schtasks.exe

pid	process
2308	schtasks.exe
2536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

pid	process
3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

pid process

3068 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description pid process

Token: SeDebugPrivilege 3068 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	pid	process
Token: SeDebugPrivilege	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe

description	pid	process	target process
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 1936 wrote to memory of 3068	1936	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
PID 3068 wrote to memory of 2308	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2308	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2308	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2308	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2536	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2536	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2536	3068	88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe	schtasks.exe
PID 3068 wrote to memory of 2536	3068	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:1936

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:3068

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp49EC.tmp"
3⤵
- Creates scheduled task(s)
PID:2308

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4AE6.tmp"
3⤵
- Creates scheduled task(s)
PID:2536

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp49EC.tmp
Filesize
1KB

MD5
d9626ef59db284bac911f216d73b6824

SHA1
6996f109718602b667fc93ccc680a491ba48a346

SHA256
7f9ae771081cf5f64d8df88da0cb1b243724f20ff8f547399c59b39abf8b01bc

SHA512
da647942652ede9836c32ce00e8c1bd8564e2b18edc292c2a736104d708d184f85cb001a488bf2af0c4c2d64f988ac79dc2efc78224ff4687f5e3345658f8c81

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4AE6.tmp
Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
memory/1936-22-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/1936-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-3-0x00000000008C0000-0x00000000008DA000-memory.dmp

Filesize
104KB

Download
memory/1936-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1936-5-0x0000000005240000-0x00000000052BA000-memory.dmp

Filesize
488KB

Download
memory/1936-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3068-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-23-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-21-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-31-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/3068-32-0x0000000000680000-0x000000000069E000-memory.dmp

Filesize
120KB

Download
memory/3068-33-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/3068-34-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-35-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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