nanocore | 01ab9c62c600b245f23843974f3c51494e52dedc6147385e968dd9da85a8fee0

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 02:58

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General

Target

fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe
Size

536KB
MD5

fdaad4eb64eccc6953ff1ce550eae36f
SHA1

35992f8c51d54da131a04824faaac9c76e916943
SHA256

01ab9c62c600b245f23843974f3c51494e52dedc6147385e968dd9da85a8fee0
SHA512

2dd5d39c2b9fc0641df1b9dae1ac80f0429162b649f0661f9056f2a0c7a47b7c336f42ca56111a4165a0f5e1fc573bffb02a6160a380e4280052601fde907c6c
SSDEEP

12288:aox8a9XqSYVr9N4VGLLOwwfghkNANPuMVfJ3bfguQ:0s50M2OkWShBg

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

ghostcum.ddns.net:4040

Mutex

5bbc7391-512a-4cae-9589-1734252a7b7d

Attributes

activate_away_mode
true
backup_connection_host
ghostcum.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-02T10:14:45.673398236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4040
default_group
EUROS
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
5bbc7391-512a-4cae-9589-1734252a7b7d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ghostcum.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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	regasm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2712	regasm.exe
2712	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 2712	1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe	82

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	regasm.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	regasm.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe
2712	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2712	1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2712	1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2712	1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2712	1724	fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdaad4eb64eccc6953ff1ce550eae36f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2712

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

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Downloads

memory/1724-6-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1724-3-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download
memory/1724-4-0x0000000002240000-0x0000000002249000-memory.dmp

Filesize
36KB

Download
memory/1724-2-0x0000000077AE2000-0x0000000077AE3000-memory.dmp

Filesize
4KB

Download
memory/1724-7-0x0000000002240000-0x0000000002249000-memory.dmp

Filesize
36KB

Download
memory/2712-9-0x0000000077AE2000-0x0000000077AE3000-memory.dmp

Filesize
4KB

Download
memory/2712-5-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2712-10-0x0000000001380000-0x0000000001381000-memory.dmp

Filesize
4KB

Download
memory/2712-11-0x0000000074C82000-0x0000000074C83000-memory.dmp

Filesize
4KB

Download
memory/2712-12-0x0000000074C80000-0x0000000075231000-memory.dmp

Filesize
5.7MB

Download
memory/2712-13-0x0000000074C80000-0x0000000075231000-memory.dmp

Filesize
5.7MB

Download
memory/2712-16-0x0000000074C82000-0x0000000074C83000-memory.dmp

Filesize
4KB

Download
memory/2712-17-0x0000000074C80000-0x0000000075231000-memory.dmp

Filesize
5.7MB

Download
memory/2712-18-0x0000000074C80000-0x0000000075231000-memory.dmp

Filesize
5.7MB

Download