nanocore | f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64

General

Target

JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Size

1.0MB
MD5

12897cc89f6a46e25f9d5445e9299003
SHA1

6b3d478c2895cccbf8bfd6135338e517bb20707c
SHA256

f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64
SHA512

0baa5d19ae88a4bab3d512717e0ea27d6d3edcd4ea67712e90c0d5b0013e3fe6315e138514fc4bb39f07af27e58d669ca87ea7126edf43990a44fafa1d64514f
SSDEEP

24576:jWFOB6AlAlKal/zPsKuLubbXwUv8hzZhg3+TE/+PnyuXzhU:zB6Y1O3yAwUkhzXgOTaYnyq

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

luf.ddns.net:8282

127.0.0.1:8282

Mutex

086e57af-7b22-4ec3-b93e-b3b9bd99d4ca

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2021-07-26T10:00:17.908045136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8282
default_group
luciano
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
086e57af-7b22-4ec3-b93e-b3b9bd99d4ca
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
luf.ddns.net
primary_dns_server
37.235.1.174
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
Nanocore family
nanocore

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2528	powershell.exe

Unexpected DNS network traffic destination 7 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	37.235.1.177
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177

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\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe"	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.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	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
File opened for modification	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.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 4 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	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
2960	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
2960	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
2960	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
2528	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2960	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Token: SeDebugPrivilege	2960	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Token: SeDebugPrivilege	2528	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2528	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	31
PID 2084 wrote to memory of 2528	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	31
PID 2084 wrote to memory of 2528	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	31
PID 2084 wrote to memory of 2528	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	31
PID 2084 wrote to memory of 2712	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	33
PID 2084 wrote to memory of 2712	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	33
PID 2084 wrote to memory of 2712	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	33
PID 2084 wrote to memory of 2712	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	33
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35
PID 2084 wrote to memory of 2960	2084	JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2528
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VJGIel" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FD1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"
  2⤵
  - 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:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2084-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x00000000009E0000-0x0000000000AF0000-memory.dmp

Filesize
1.1MB

Download
memory/2084-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2084-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x0000000005810000-0x00000000058EA000-memory.dmp

Filesize
872KB

Download
memory/2084-28-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-31-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2960-32-0x0000000000440000-0x000000000045E000-memory.dmp

Filesize
120KB

Download
memory/2960-33-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads