nanocore | 5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

General

Target

JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe
Size

479KB
MD5

6102daa4935e016dea8dc3eec27d2ac1
SHA1

c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca
SHA256

5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce
SHA512

92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51
SSDEEP

12288:P2yRPHfLlUN7Fl1dYySBrNoZZDetBHGTRNj:97wAySdNorDgBHGTRNj

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.160.229:60006

neoncorex.duckdns.org:60006

Mutex

1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0

Attributes

activate_away_mode
true
backup_connection_host
neoncorex.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-29T18:43:26.772131836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
60006
default_group
NANOSHIELD
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
1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.157.160.229
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
Nanocore family
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	dllinstallprint.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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllinstallprint.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3464	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe
Token: SeDebugPrivilege	3464	RegAsm.exe
Token: SeDebugPrivilege	2676	dllinstallprint.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 3464	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	98
PID 2780 wrote to memory of 1820	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	100
PID 2780 wrote to memory of 1820	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	100
PID 2780 wrote to memory of 1820	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	100
PID 2780 wrote to memory of 2812	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	102
PID 2780 wrote to memory of 2812	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	102
PID 2780 wrote to memory of 2812	2780	JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe	102
PID 1820 wrote to memory of 1140	1820	cmd.exe	104
PID 1820 wrote to memory of 1140	1820	cmd.exe	104
PID 1820 wrote to memory of 1140	1820	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780
- 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:3464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6102daa4935e016dea8dc3eec27d2ac1.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe

Filesize
479KB

MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
memory/2676-22-0x0000000000B30000-0x0000000000BAE000-memory.dmp

Filesize
504KB

Download
memory/2780-12-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/2780-1-0x0000000000F70000-0x0000000000FEE000-memory.dmp

Filesize
504KB

Download
memory/2780-2-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/2780-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/2780-4-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/2780-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/2780-6-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/2780-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/3464-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3464-14-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/3464-17-0x00000000055A0000-0x00000000055BE000-memory.dmp

Filesize
120KB

Download
memory/3464-18-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/3464-19-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-9-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/3464-10-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads