nanocore | 288426cc1edbe929109c0958e8812a7ec016395bb439dc8022bea0511cdae25c

General

Target

b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Size

725KB
MD5

b97f23fc1d8f34eda2b429a21e370800
SHA1

140e3c8af0d7c72f35aee4955456fb5e413fbf3d
SHA256

288426cc1edbe929109c0958e8812a7ec016395bb439dc8022bea0511cdae25c
SHA512

d8000971bcc2f0e4ca143c03895f87ef30d4a21d0f13619137b2f04352ffb2fa42808a9b1d43552e51e4b3e92c1383461b9676034543e2c142e0856cfe8401dc
SSDEEP

12288:TSYoMl7ILwTDqKgE9hPA33JWeAaeh0OKk4NMxfuBZ6mt7aI9qfLes3ickKX9+rds:TSdMl7eiDRg/JlZeh0USMxGdt7aI9Eew

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.68.59.34:1128

blessed.ddns.net:1128

Mutex

c8203ca0-55c2-4d7e-b3c2-4d30c8599d89

Attributes

activate_away_mode
true
backup_connection_host
blessed.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-30T22:18:42.314516836Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1128
default_group
bless
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
c8203ca0-55c2-4d7e-b3c2-4d30c8599d89
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.68.59.34
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.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 1972 set thread context of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99

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	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4080	schtasks.exe
2680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
2204	RegAsm.exe
2204	RegAsm.exe
2204	RegAsm.exe
2204	RegAsm.exe
2204	RegAsm.exe
2204	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2204	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Token: SeDebugPrivilege	2204	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4080	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	97
PID 1972 wrote to memory of 4080	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	97
PID 1972 wrote to memory of 4080	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	97
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 1972 wrote to memory of 2204	1972	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	99
PID 2204 wrote to memory of 2680	2204	RegAsm.exe	100
PID 2204 wrote to memory of 2680	2204	RegAsm.exe	100
PID 2204 wrote to memory of 2680	2204	RegAsm.exe	100

C:\Users\Admin\AppData\Local\Temp\b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CrRNcmQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1827.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4080
- 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:2204
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1BC0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2680

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\Local\Temp\tmp1827.tmp

Filesize
1KB

MD5
9574adcb58ac0cee0304a3c9aea93f46

SHA1
4c381b787d384502215b9469cd6058b753bcb611

SHA256
00fedfba9107e56b8b2da029b89f9f3e024ec039d417c838025fdc8e3866ff4c

SHA512
0915cfbdb560f093eed180694a1ea04f7a351b15259a5c3b351ff8d3ce996a1441e947262e98a1234ebd50c923c25a375b338f632e1bf28ebc4600bc9998222e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1BC0.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/1972-1-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1972-2-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1972-3-0x0000000074F82000-0x0000000074F83000-memory.dmp

Filesize
4KB

Download
memory/1972-4-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1972-0-0x0000000074F82000-0x0000000074F83000-memory.dmp

Filesize
4KB

Download
memory/1972-12-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2204-10-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2204-14-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2204-15-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2204-13-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2204-20-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads