nanocore | 1ae495d26ee067e62e53c6490109ecf080801be79fda954d3659615a2343acc5

General

Target

4e7706b27fae00c7753de80ca6f3d7b7.exe
Size

595KB
MD5

4e7706b27fae00c7753de80ca6f3d7b7
SHA1

8275b2c1e523c9dd5de56751a2eff6c4abe914ba
SHA256

1ae495d26ee067e62e53c6490109ecf080801be79fda954d3659615a2343acc5
SHA512

e219db9165c00980261c19e32fb32f669acd2a512bd8757373488b8e4bb3cb50539591bee1404844a52e62ad197fe479326e4a397c5cc00b4163adfd5fd92d5b
SSDEEP

12288:vq5S/DjFgjaLVQHBKkj9Islp8f9eaQ/sAWq2Z661W1FWgS6Bt:vqU/DjFgjaLVQhKkJIM3J/9Wq6TW1cLW

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

127.0.0.1:1665

Mutex

54c43eb3-9a5e-48cf-bbb9-9a65e46643a1

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-09-09T09:23:36.606577636Z
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
1665
default_group
NOV282022
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
54c43eb3-9a5e-48cf-bbb9-9a65e46643a1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.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

T1060

Modify Registry

T1112

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Monitor = "C:\\Program Files (x86)\\UPNP Monitor\\upnpmon.exe"	4e7706b27fae00c7753de80ca6f3d7b7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4e7706b27fae00c7753de80ca6f3d7b7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe

description pid process target process

PID 228 set thread context of 4868 228 4e7706b27fae00c7753de80ca6f3d7b7.exe 4e7706b27fae00c7753de80ca6f3d7b7.exe

description	pid	process	target process
PID 228 set thread context of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe

Drops file in Program Files directory 2 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Monitor\upnpmon.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
File opened for modification	C:\Program Files (x86)\UPNP Monitor\upnpmon.exe	4e7706b27fae00c7753de80ca6f3d7b7.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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4516 schtasks.exe
2100 schtasks.exe

pid	process
4516	schtasks.exe
2100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe4e7706b27fae00c7753de80ca6f3d7b7.exe

pid	process
228	4e7706b27fae00c7753de80ca6f3d7b7.exe
228	4e7706b27fae00c7753de80ca6f3d7b7.exe
4868	4e7706b27fae00c7753de80ca6f3d7b7.exe
4868	4e7706b27fae00c7753de80ca6f3d7b7.exe
4868	4e7706b27fae00c7753de80ca6f3d7b7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe

pid process

4868 4e7706b27fae00c7753de80ca6f3d7b7.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe4e7706b27fae00c7753de80ca6f3d7b7.exe

description pid process

Token: SeDebugPrivilege 228 4e7706b27fae00c7753de80ca6f3d7b7.exe
Token: SeDebugPrivilege 4868 4e7706b27fae00c7753de80ca6f3d7b7.exe

pid	process
4868	4e7706b27fae00c7753de80ca6f3d7b7.exe

description	pid	process
Token: SeDebugPrivilege	228	4e7706b27fae00c7753de80ca6f3d7b7.exe
Token: SeDebugPrivilege	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

4e7706b27fae00c7753de80ca6f3d7b7.exe4e7706b27fae00c7753de80ca6f3d7b7.exe

C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.exe
"C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228

C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.exe
"C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.exe"
2⤵
PID:444

C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.exe
"C:\Users\Admin\AppData\Local\Temp\4e7706b27fae00c7753de80ca6f3d7b7.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:4868

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp91AC.tmp"
3⤵
- Creates scheduled task(s)
PID:4516

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9622.tmp"
3⤵
- Creates scheduled task(s)
PID:2100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4e7706b27fae00c7753de80ca6f3d7b7.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp91AC.tmp
Filesize
1KB

MD5
3a6e92960553c117cd7b3f25322173d1

SHA1
ceb7d5fd4f93e0a01f84d098767910b47ad60644

SHA256
375e65410f7f130bd7c602d41d4efffb76fb28b69184819f991be6ece9e0cc78

SHA512
91bb5799395ad81741bb4fe54c9dc47023b0b892e4dea2aa9a067fb44c4d5097c56ae6826b90aa366c7accbefafaa975f2a0851a2067932911f6c939fd85f880

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9622.tmp
Filesize
1KB

MD5
c9a4c783d2e18eea86e071de92f36f02

SHA1
4cb02db05386ccb70a23fa89dbadfddfc8f7b6af

SHA256
21d669a674eb23538f38f6822429d797e69e0685d18c0e6e03ec6801098b240a

SHA512
b6d5198d9ca83687fcc491c02ad8b417e02dff0150b514c3d39d13b8de9ffba6f3779ee7bb6350b087474fb6e0d1bd10b8fdd5c8f48a46c9cfd183d9045b80ef

Download Submit
memory/228-133-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/228-134-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/228-135-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/228-136-0x0000000007820000-0x00000000078BC000-memory.dmp

Filesize
624KB

Download
memory/228-132-0x0000000000B30000-0x0000000000BCC000-memory.dmp

Filesize
624KB

Download
memory/444-137-0x0000000000000000-mapping.dmp

Download
memory/2100-143-0x0000000000000000-mapping.dmp

Download
memory/4516-141-0x0000000000000000-mapping.dmp

Download
memory/4868-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4868-138-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 228 wrote to memory of 444	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 444	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 444	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 228 wrote to memory of 4868	228	4e7706b27fae00c7753de80ca6f3d7b7.exe	4e7706b27fae00c7753de80ca6f3d7b7.exe
PID 4868 wrote to memory of 4516	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe
PID 4868 wrote to memory of 4516	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe
PID 4868 wrote to memory of 4516	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe
PID 4868 wrote to memory of 2100	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe
PID 4868 wrote to memory of 2100	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe
PID 4868 wrote to memory of 2100	4868	4e7706b27fae00c7753de80ca6f3d7b7.exe	schtasks.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads