nanocore | b0b218c7d6b55f965c796fcc021b31ba0349672dc1e1d2d80e7d6cf2af96a401

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 22:47

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General

Target

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Size

843KB
MD5

1a1ee2bd1f9f211aa77dc4efa97c19ef
SHA1

25100b7f9a275cab4d8f278c79fa5c2cc9e9bc56
SHA256

b0b218c7d6b55f965c796fcc021b31ba0349672dc1e1d2d80e7d6cf2af96a401
SHA512

0259064240438a9b896b1f03ad45f90995a9b715c633a8ef67b34c486d41c0b6fd4a81862925c359022052a8bc78768b269e469fb117fd29260b9051132c1e98
SSDEEP

12288:sMhirTEoCYsjCSBCy+DkGnDd4LjZOdrDm+tY6V0XStGqFUIdzmvhD4mqBe/ff0l2:Feq2HWTjnTz

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

onielnfo.ddns.net:2008

Mutex

7e0dbab4-fd01-43ad-af2c-281e2199c23c

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-18T14:50:05.031210536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2008
default_group
HUSTLE
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
7e0dbab4-fd01-43ad-af2c-281e2199c23c
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
onielnfo.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\njhjjgh = "C:\\Users\\Admin\\okjoohje.exe"	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RegAsm.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2264 set thread context of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

pid	Process
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2864	RegAsm.exe
2864	RegAsm.exe
2864	RegAsm.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid	Process
2864	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Token: SeDebugPrivilege	2864	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30
PID 2264 wrote to memory of 2864	2264	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2264-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2264-1-0x00000000013A0000-0x0000000001462000-memory.dmp

Filesize
776KB

Download
memory/2264-2-0x0000000000D00000-0x0000000000D4A000-memory.dmp

Filesize
296KB

Download
memory/2264-3-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/2264-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-6-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2264-7-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-24-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/2864-25-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/2864-26-0x0000000000530000-0x000000000053A000-memory.dmp

Filesize
40KB

Download