nanocore | ccbaf764d75b62d77aaa93db6a20926161eba9762d398a53e3bebb007443edba

General

Target

0a0671ce1039d895af0984a16b1f54ee.exe
Size

809KB
MD5

0a0671ce1039d895af0984a16b1f54ee
SHA1

b85f0fcd100cda02d076f99b178d5c7546aacdbd
SHA256

ccbaf764d75b62d77aaa93db6a20926161eba9762d398a53e3bebb007443edba
SHA512

2a59aee635ff0353c86c6cba6f308844d669f9d576ad7d509ea17604e6b802e7ee4c13d028314b6011216027f09d2cce4482f4b075e8512a7de78936ecbb8825
SSDEEP

12288:tOvuqJwk3uG9JwObO+92SmULZuZMh1AOn6PK7l9lLAgNB:TqJwk3uWlb/2UL0ZMh1A5PK7lHLA0

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:

0a0671ce1039d895af0984a16b1f54ee.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	0a0671ce1039d895af0984a16b1f54ee.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0a0671ce1039d895af0984a16b1f54ee.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

description pid process target process

PID 5064 set thread context of 2172 5064 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe

description	pid	process	target process
PID 5064 set thread context of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe

Drops file in Program Files directory 2 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	0a0671ce1039d895af0984a16b1f54ee.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	0a0671ce1039d895af0984a16b1f54ee.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

1128 schtasks.exe
212 schtasks.exe

pid	process
1128	schtasks.exe
212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

pid	process
2172	0a0671ce1039d895af0984a16b1f54ee.exe
2172	0a0671ce1039d895af0984a16b1f54ee.exe
2172	0a0671ce1039d895af0984a16b1f54ee.exe
2172	0a0671ce1039d895af0984a16b1f54ee.exe
2172	0a0671ce1039d895af0984a16b1f54ee.exe
2172	0a0671ce1039d895af0984a16b1f54ee.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

pid process

2172 0a0671ce1039d895af0984a16b1f54ee.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe

description pid process

Token: SeDebugPrivilege 2172 0a0671ce1039d895af0984a16b1f54ee.exe

description	pid	process
Token: SeDebugPrivilege	2172	0a0671ce1039d895af0984a16b1f54ee.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0a0671ce1039d895af0984a16b1f54ee.exe0a0671ce1039d895af0984a16b1f54ee.exe

description	pid	process	target process
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 5064 wrote to memory of 2172	5064	0a0671ce1039d895af0984a16b1f54ee.exe	0a0671ce1039d895af0984a16b1f54ee.exe
PID 2172 wrote to memory of 1128	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe
PID 2172 wrote to memory of 1128	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe
PID 2172 wrote to memory of 1128	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe
PID 2172 wrote to memory of 212	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe
PID 2172 wrote to memory of 212	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe
PID 2172 wrote to memory of 212	2172	0a0671ce1039d895af0984a16b1f54ee.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe
"C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5064

C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe
"C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.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:2172

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5D91.tmp"
3⤵
- Creates scheduled task(s)
PID:1128

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5E2E.tmp"
3⤵
- Creates scheduled task(s)
PID:212

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\Temp\tmp5D91.tmp
Filesize
1KB

MD5
9ec73cb1a4bc5bb187faf1db725066e8

SHA1
0a0699887a8b72e369093640140697e42977ea5a

SHA256
be3ea046edb1cec6c8dc8302087eeaf684212c5fcb8546d5bf247ce75644b828

SHA512
b340640887d46fac1f1f61f1f7a146095d22ffe98f3ce9adf7e67441fe377f2176d63d08826eed2d21ae0d7f1d7eab93eab7f4c06a7baf8f01eef97f8ed2767b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5E2E.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/212-141-0x0000000000000000-mapping.dmp

Download
memory/1128-139-0x0000000000000000-mapping.dmp

Download
memory/2172-137-0x0000000000000000-mapping.dmp

Download
memory/2172-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2172-143-0x00000000074C0000-0x0000000007526000-memory.dmp

Filesize
408KB

Download
memory/5064-132-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/5064-133-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/5064-134-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/5064-135-0x0000000004E80000-0x0000000004E8A000-memory.dmp

Filesize
40KB

Download
memory/5064-136-0x0000000008C90000-0x0000000008D2C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads