nanocore | 69d910b0cbdaf102c18d47cdd3f3f21ffd288f62ea14ac9cce0572a7f90d629f

Analysis

max time kernel
147s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 06:05

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General

Target

a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
Size

462KB
MD5

a8418d4221d58024515d4db45edf49d7
SHA1

e0034b96cda0bf0d9f328ad74b63241b4d1c12e1
SHA256

69d910b0cbdaf102c18d47cdd3f3f21ffd288f62ea14ac9cce0572a7f90d629f
SHA512

19207567b84a03cf1cda182c6cb9784f4c8f80c3ecf121c6d2ee77336e5562a30c2de116cbb56320a71cdf98e3ec6c6c08cca5da41cc6f9a564754406ebf4d07
SSDEEP

12288:h2G4z1VuqdWNKA3ycZor2mSiS+LkC6ejvHP:MDzr7WrycZor2zihkC6ivH

Score

10^/10

nanocore agilenet evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

eter202.ddns.net:2002

127.0.0.1:2002

Mutex

53957676-27b2-45fc-90fa-942bf21dff75

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-07T19:51:32.143834936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2002
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
53957676-27b2-45fc-90fa-942bf21dff75
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
eter202.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
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
Drops startup file 1 IoCs

Processes:

notepad.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notepad.lnk notepad.exe
Executes dropped EXE 2 IoCs

Processes:

notepad.exenotepad.exe

pid process

4768 notepad.exe
2440 notepad.exe
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
agilenet

Processes:

resource yara_rule

behavioral2/memory/4768-22-0x0000000007910000-0x000000000791A000-memory.dmp agile_net
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

notepad.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe" notepad.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

notepad.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA notepad.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

notepad.exe

description pid process target process

PID 4768 set thread context of 2440 4768 notepad.exe notepad.exe
Drops file in Program Files directory 2 IoCs

Processes:

notepad.exe

description ioc process

File created C:\Program Files (x86)\PCI Service\pcisv.exe notepad.exe
File opened for modification C:\Program Files (x86)\PCI Service\pcisv.exe notepad.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

notepad.exe

pid process

2440 notepad.exe
2440 notepad.exe
2440 notepad.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

notepad.exe

pid process

2440 notepad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\notepad.lnk	notepad.exe

pid	process
4768	notepad.exe
2440	notepad.exe

resource	yara_rule
behavioral2/memory/4768-22-0x0000000007910000-0x000000000791A000-memory.dmp	agile_net

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe"	notepad.exe

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

description	pid	process	target process
PID 4768 set thread context of 2440	4768	notepad.exe	notepad.exe

description	ioc	process
File created	C:\Program Files (x86)\PCI Service\pcisv.exe	notepad.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisv.exe	notepad.exe

pid	process
2440	notepad.exe
2440	notepad.exe
2440	notepad.exe

pid	process
2440	notepad.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exenotepad.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
Token: 33	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
Token: SeDebugPrivilege	4768	notepad.exe
Token: 33	4768	notepad.exe
Token: SeIncBasePriorityPrivilege	4768	notepad.exe
Token: SeDebugPrivilege	2440	notepad.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

a8418d4221d58024515d4db45edf49d7_JaffaCakes118.execmd.exenotepad.exe

description	pid	process	target process
PID 3040 wrote to memory of 452	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 452	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 452	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 3944	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 3944	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 3944	3040	a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe	cmd.exe
PID 3944 wrote to memory of 4768	3944	cmd.exe	notepad.exe
PID 3944 wrote to memory of 4768	3944	cmd.exe	notepad.exe
PID 3944 wrote to memory of 4768	3944	cmd.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe
PID 4768 wrote to memory of 2440	4768	notepad.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\a8418d4221d58024515d4db45edf49d7_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\notepad.exe"
2⤵
PID:452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\notepad.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Local\notepad.exe
"C:\Users\Admin\AppData\Local\notepad.exe"
3⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

C:\Users\Admin\AppData\Local\notepad.exe
"C:\Users\Admin\AppData\Local\notepad.exe"
4⤵
- Executes dropped EXE
- 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
PID:2440

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\notepad.exe
Filesize
462KB

MD5
a8418d4221d58024515d4db45edf49d7

SHA1
e0034b96cda0bf0d9f328ad74b63241b4d1c12e1

SHA256
69d910b0cbdaf102c18d47cdd3f3f21ffd288f62ea14ac9cce0572a7f90d629f

SHA512
19207567b84a03cf1cda182c6cb9784f4c8f80c3ecf121c6d2ee77336e5562a30c2de116cbb56320a71cdf98e3ec6c6c08cca5da41cc6f9a564754406ebf4d07

Download Submit
memory/2440-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2440-33-0x00000000062C0000-0x00000000062CA000-memory.dmp

Filesize
40KB

Download
memory/2440-32-0x00000000059E0000-0x00000000059FE000-memory.dmp

Filesize
120KB

Download
memory/2440-31-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/2440-28-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/3040-7-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

Filesize
40KB

Download
memory/3040-0-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x0000000007BE0000-0x0000000007BEE000-memory.dmp

Filesize
56KB

Download
memory/3040-9-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/3040-1-0x0000000000C30000-0x0000000000CAC000-memory.dmp

Filesize
496KB

Download
memory/3040-3-0x0000000007B00000-0x0000000007B30000-memory.dmp

Filesize
192KB

Download
memory/3040-6-0x0000000007C30000-0x0000000007CC2000-memory.dmp

Filesize
584KB

Download
memory/3040-10-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3040-14-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/3040-2-0x00000000056A0000-0x00000000056E2000-memory.dmp

Filesize
264KB

Download
memory/3040-4-0x00000000080E0000-0x0000000008684000-memory.dmp

Filesize
5.6MB

Download
memory/3040-5-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4768-20-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4768-27-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4768-23-0x0000000008AA0000-0x0000000008B3C000-memory.dmp

Filesize
624KB

Download
memory/4768-22-0x0000000007910000-0x000000000791A000-memory.dmp

Filesize
40KB

Download
memory/4768-19-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4768-18-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download