nanocore | 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3

General

Target

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
Size

1.1MB
MD5

72124c549ed558d40f28bc928fa4f2a4
SHA1

0116345620a37fd748e9127f0a96b744de685200
SHA256

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3
SHA512

ef2a14ca0b1b61f48c33338c1c53a1f2c139d5d99624f905ed8f0eadf6e4966854ed833308544005fe50a4fda4882824f02cbb85140df6cfb386d214c2dd3a9e
SSDEEP

24576:dxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNussDEOux4Pg:kEOFXYu5+Fdj

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

Mutex

f6041bb2-7c7b-4774-acc8-84a131b635ab

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-22T04:21:36.365135136Z
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
OCTOBER
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
f6041bb2-7c7b-4774-acc8-84a131b635ab
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:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.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"	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description	pid	process	target process
PID 2548 set thread context of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

Drops file in Program Files directory 2 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.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

4220 schtasks.exe
3656 schtasks.exe

pid	process
4220	schtasks.exe
3656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

pid	process
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

pid process

2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description pid process

Token: SeDebugPrivilege 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description	pid	process
Token: SeDebugPrivilege	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe

description	pid	process	target process
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2548 wrote to memory of 2452	2548	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
PID 2452 wrote to memory of 4220	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe
PID 2452 wrote to memory of 4220	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe
PID 2452 wrote to memory of 4220	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe
PID 2452 wrote to memory of 3656	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe
PID 2452 wrote to memory of 3656	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe
PID 2452 wrote to memory of 3656	2452	77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
"C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2548

C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
"C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.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:2452

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7196.tmp"
3⤵
- Creates scheduled task(s)
PID:4220

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp"
3⤵
- Creates scheduled task(s)
PID:3656

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\tmp7196.tmp
Filesize
1KB

MD5
c47e8a37a30d64a161b634d46c8158e6

SHA1
bacad0409c3a9867fc8a95d4f4afefdccb4d2434

SHA256
97bee4e445e3dc6b4db36d6ea2c5e9e4070e461e8da6e513e8674e59af03967e

SHA512
04c19e7e8f3b7387de9a979d6d12f20109b19494fe04931338ead662d2e82bdfd6ede6164c63e613d867c197d23c65d98763ae74997be26b662e282228fa0b83

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/2452-138-0x0000000000000000-mapping.dmp

Download
memory/2452-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-132-0x0000000000B00000-0x0000000000C20000-memory.dmp

Filesize
1.1MB

Download
memory/2548-133-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/2548-134-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/2548-135-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/2548-136-0x000000000C0D0000-0x000000000C16C000-memory.dmp

Filesize
624KB

Download
memory/2548-137-0x000000000C170000-0x000000000C1D6000-memory.dmp

Filesize
408KB

Download
memory/3656-142-0x0000000000000000-mapping.dmp

Download
memory/4220-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads