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\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.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 1124 set thread context of 4212 1124 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 1124 set thread context of 4212	1124	MB263350411AE.exe	MB263350411AE.exe

Drops file in Program Files directory 2 IoCs

Processes:

MB263350411AE.exe

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

5760 schtasks.exe
2080 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MB263350411AE.exe

pid process

4212 MB263350411AE.exe
4212 MB263350411AE.exe
4212 MB263350411AE.exe
4212 MB263350411AE.exe
4212 MB263350411AE.exe
4212 MB263350411AE.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MB263350411AE.exe

pid process

4212 MB263350411AE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MB263350411AE.exe

description pid process

Token: SeDebugPrivilege 4212 MB263350411AE.exe

pid	process
5760	schtasks.exe
2080	schtasks.exe

pid	process
4212	MB263350411AE.exe
4212	MB263350411AE.exe
4212	MB263350411AE.exe
4212	MB263350411AE.exe
4212	MB263350411AE.exe
4212	MB263350411AE.exe

pid	process
4212	MB263350411AE.exe

description	pid	process
Token: SeDebugPrivilege	4212	MB263350411AE.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

MB263350411AE.exeMB263350411AE.exe

description	pid	process	target process
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 1124 wrote to memory of 4212	1124	MB263350411AE.exe	MB263350411AE.exe
PID 4212 wrote to memory of 2080	4212	MB263350411AE.exe	schtasks.exe
PID 4212 wrote to memory of 2080	4212	MB263350411AE.exe	schtasks.exe
PID 4212 wrote to memory of 2080	4212	MB263350411AE.exe	schtasks.exe
PID 4212 wrote to memory of 5760	4212	MB263350411AE.exe	schtasks.exe
PID 4212 wrote to memory of 5760	4212	MB263350411AE.exe	schtasks.exe
PID 4212 wrote to memory of 5760	4212	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:1124

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:4212

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp"
3⤵
- Creates scheduled task(s)
PID:2080

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7754.tmp"
3⤵
- Creates scheduled task(s)
PID:5760

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\Microsoft\CLR_v4.0_32\UsageLogs\MB263350411AE.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7705.tmp
Filesize
1KB

MD5
7c43147ac70e592d3acc3e6a27111053

SHA1
53748eb6ebe48adbd036a6ba50bbcaaec652679e

SHA256
23cab1d670839621ad7bf4d674ec424692d8c35f5a377ee8ff8860f64a920f7f

SHA512
e3c480ef85d8cf7f1f5239b93f69202fd95efc3852cf9e1d69555abb17f7fab2f213626af564507cc55c0f573587ebd1137e099b859df7cfee7a37b9326bcf63

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7754.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/1124-8-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/1124-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/1124-4-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1124-6-0x0000000005000000-0x000000000509C000-memory.dmp

Filesize
624KB

Download
memory/1124-7-0x0000000006470000-0x000000000648A000-memory.dmp

Filesize
104KB

Download
memory/1124-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/1124-9-0x00000000062D0000-0x000000000634A000-memory.dmp

Filesize
488KB

Download
memory/1124-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/1124-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/1124-1-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1124-14-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4212-40-0x0000000006E20000-0x0000000006E86000-memory.dmp

Filesize
408KB

Download
memory/4212-34-0x0000000006BB0000-0x0000000006BC4000-memory.dmp

Filesize
80KB

Download
memory/4212-13-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4212-43-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4212-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4212-25-0x00000000063D0000-0x00000000063DA000-memory.dmp

Filesize
40KB

Download
memory/4212-28-0x0000000006B30000-0x0000000006B42000-memory.dmp

Filesize
72KB

Download
memory/4212-29-0x0000000006B40000-0x0000000006B5A000-memory.dmp

Filesize
104KB

Download
memory/4212-30-0x0000000006B70000-0x0000000006B7E000-memory.dmp

Filesize
56KB

Download
memory/4212-33-0x0000000006BA0000-0x0000000006BAC000-memory.dmp

Filesize
48KB

Download
memory/4212-32-0x0000000006B90000-0x0000000006B9E000-memory.dmp

Filesize
56KB

Download
memory/4212-15-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4212-31-0x0000000006B80000-0x0000000006B92000-memory.dmp

Filesize
72KB

Download
memory/4212-35-0x0000000006BC0000-0x0000000006BD0000-memory.dmp

Filesize
64KB

Download
memory/4212-36-0x0000000006BE0000-0x0000000006BF4000-memory.dmp

Filesize
80KB

Download
memory/4212-37-0x0000000006C00000-0x0000000006C0E000-memory.dmp

Filesize
56KB

Download
memory/4212-38-0x0000000006C10000-0x0000000006C3E000-memory.dmp

Filesize
184KB

Download
memory/4212-39-0x0000000006C50000-0x0000000006C64000-memory.dmp

Filesize
80KB

Download
memory/4212-24-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/4212-42-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4212-23-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads