nanocore | 7ff819071c0cd76bbb2dfe40bcf1ad52b0028a2bc48d486a2c646b76527f6f22

Analysis

max time kernel
147s
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
16/09/2024, 19:20

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General

Target
e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
Size 1.5MB
Sample240916-x2jdlavgpf
SHA256 7ff819071c0cd76bbb2dfe40bcf1ad52b0028a2bc48d486a2c646b76527f6f22
MD5 e5702432eadc1638116a7f7cd43d1700
SHA1 32251993f2017072da41bb948ba5ce94d9c17835
SHA512 882a9eaaa704ff8e5bfd37dd34d409204bed1d555bdaebfd372f2be5d959ad0dcca017e80d02fd8e47436a4b93fc645f084fc0a59384f83cd42c5994b81cd902
SSDEEP 12288:JHjBJ99Y9Bs/zZIl5eYM4LvxdYz/PznEKqKoe:p1eiZS5ev4bxdo3znEKqKoe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore defense_evasion discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

213.183.40.60:1604
lambogini199.ddns.net:1604

Mutex

13a4b19d-e995-40ab-ba06-c85c22f98055

Attributes

activate_away_mode
true
backup_connection_host
lambogini199.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-01-10T20:45:10.900850236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1604
default_group
grace
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
13a4b19d-e995-40ab-ba06-c85c22f98055
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
213.183.40.60
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.exe.lnk	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3684	svhost.exe

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\DNS Monitor = "C:\\Program Files (x86)\\DNS Monitor\\dnsmon.exe"	svhost.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	svhost.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4424 set thread context of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	svhost.exe
File opened for modification	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	svhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4732	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
3684	svhost.exe
3684	svhost.exe
3684	svhost.exe
4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3684	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
Token: SeDebugPrivilege	3684	svhost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 2392	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	86
PID 4424 wrote to memory of 2392	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	86
PID 4424 wrote to memory of 2392	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	86
PID 2392 wrote to memory of 2160	2392	cmd.exe	88
PID 2392 wrote to memory of 2160	2392	cmd.exe	88
PID 2392 wrote to memory of 2160	2392	cmd.exe	88
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 3684	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	89
PID 4424 wrote to memory of 4460	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	90
PID 4424 wrote to memory of 4460	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	90
PID 4424 wrote to memory of 4460	4424	e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe	90
PID 4460 wrote to memory of 4732	4460	cmd.exe	92
PID 4460 wrote to memory of 4732	4460	cmd.exe	92
PID 4460 wrote to memory of 4732	4460	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5702432eadc1638116a7f7cd43d1700_JaffaCakes118.exe"
1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2160
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3684
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4732

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

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

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

svhost.exe

Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
Size 89KB
SHA256 331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
MD5 84c42d0f2c1ae761bef884638bc1eacd
SHA1 4353881e7f4e9c7610f4e0489183b55bb58bb574
SHA512 43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
SSDEEP 1536:H96ZJwk1oO+huJs4HN0Auo7G+DKSOanlgVO3GGLJ:IMFCHV1G+DKSOanlEud
MD5 SHA1 SHA512 SSDEEP

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name.exe

Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe
Size 1.5MB
SHA256 7ff819071c0cd76bbb2dfe40bcf1ad52b0028a2bc48d486a2c646b76527f6f22
MD5 e5702432eadc1638116a7f7cd43d1700
SHA1 32251993f2017072da41bb948ba5ce94d9c17835
SHA512 882a9eaaa704ff8e5bfd37dd34d409204bed1d555bdaebfd372f2be5d959ad0dcca017e80d02fd8e47436a4b93fc645f084fc0a59384f83cd42c5994b81cd902
SSDEEP 12288:JHjBJ99Y9Bs/zZIl5eYM4LvxdYz/PznEKqKoe:p1eiZS5ev4bxdo3znEKqKoe
MD5 SHA1 SHA512 SSDEEP

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name.exe.bat

Path C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
Size 201B
SHA256 7ccae4d2b1dabe635738495e89df4787e113dd99227360b4b10f57b068b6f42d
MD5 9d9b7b166f447b4f638f68f01373b335
SHA1 a112a069f5f149d325a2e4dbf38f0e89db8247d8
SHA512 7267fd2257607c9133220c46aeb7c2b7ecfbd8b3bc5b599c2ec085e2e887447062a9a8184087254574bda448e118a92d09f7259518a51a3f039e8ea775864a48
MD5 SHA1 SHA512

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memory/3684-18-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-26-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-13-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3684-16-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-17-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-32-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-29-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/3684-28-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-24-0x0000000075352000-0x0000000075353000-memory.dmp

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memory/4424-25-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-27-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-2-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-1-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-31-0x0000000075350000-0x0000000075901000-memory.dmp

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memory/4424-0-0x0000000075352000-0x0000000075353000-memory.dmp

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