nanocore | 63b1734644cce19115fecc5559a76a60c8279de12b2301acf4182d7d5ab96ca7

General

Target

c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
Size

1.2MB
MD5

c9c8ece9c5cd5ce798d9053857e03548
SHA1

d74f90a70e01c41e4e82548228d099d5de8ea44d
SHA256

63b1734644cce19115fecc5559a76a60c8279de12b2301acf4182d7d5ab96ca7
SHA512

4eabe285ee864ebb344c61545a065b999a88ee6767c6b4464afa52b86014c4c735ee40666c948496e844f86463d83568778e82fc80f87a37a53fcbfec90d6cf3
SSDEEP

24576:bu6Jx3O0c+JY5UZ+XC0kGso/Wanue21KnqQpkmFWY:VI0c++OCvkGsUWanuehnREY

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

zigf.ddns.net:20188

91.193.75.66:20188

Mutex

3d8a8338-5943-4094-8a51-4c004042172e

Attributes

activate_away_mode
true
backup_connection_host
91.193.75.66
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-09-23T15:28:28.209265236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
20188
default_group
Default
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
3d8a8338-5943-4094-8a51-4c004042172e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
zigf.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

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 1820 set thread context of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28

System Location Discovery: System Language Discovery 1 TTPs 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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
2588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	RegAsm.exe
2240	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2240	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 1820 wrote to memory of 2240	1820	c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe	28
PID 2240 wrote to memory of 2588	2240	RegAsm.exe	29
PID 2240 wrote to memory of 2588	2240	RegAsm.exe	29
PID 2240 wrote to memory of 2588	2240	RegAsm.exe	29
PID 2240 wrote to memory of 2588	2240	RegAsm.exe	29

C:\Users\Admin\AppData\Local\Temp\c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c9c8ece9c5cd5ce798d9053857e03548_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE743.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2588

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

System Information Discovery

1

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

C:\Users\Admin\AppData\Local\Temp\tmpE743.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/1820-0-0x00000000002A0000-0x00000000002D3000-memory.dmp

Filesize
204KB

Download
memory/1820-1-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/2240-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2240-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2240-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2240-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2240-11-0x0000000074602000-0x0000000074604000-memory.dmp

Filesize
8KB

Download
memory/2240-16-0x0000000074602000-0x0000000074604000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads