nanocore | 2f096033f86f1724b9eff06654a45bdf8eeb928d38fd83a591c53649878f0829

General

Target

cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
Size

1.2MB
MD5

cc49f7279b049c08b6d2aaf2939a1cc6
SHA1

dfa5a0158b1dbb46c5b0259a98e6dfe9530da16e
SHA256

2f096033f86f1724b9eff06654a45bdf8eeb928d38fd83a591c53649878f0829
SHA512

bc2ff81fcd575200f1611ec1087e628bef05433e76dbb5444e3389f8dcbaf0168c843f99f8abda4b38723312778ec0937ed7d72231268e28a78e0f2e9e90fa46
SSDEEP

24576:VAHnh+eWsN3skA4RV1Hom2KXMmHaBQaygWOD3x+MhJExFiO45:Eh+ZkldoPK8YaBQaygWO7x+cJ

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

donald081.duckdns.org:2114

Mutex

1dfabe06-ff5a-438c-a5b6-f3af5c980db5

Attributes

activate_away_mode
true
backup_connection_host
donald081.duckdns.org
backup_dns_server
donald081.duckdns.org
buffer_size
65535
build_time
2019-04-09T13:42:38.658284436Z
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
2114
default_group
host
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
1dfabe06-ff5a-438c-a5b6-f3af5c980db5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
donald081.duckdns.org
primary_dns_server
donald081.duckdns.org
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

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\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\udNFHVsAmQ = "C:\\Users\\Public\\udNFHVsAmQ.vbs"	cc49f7279b049c08b6d2aaf2939a1cc6_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 1308 set thread context of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29

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	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.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 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2880	RegAsm.exe
2880	RegAsm.exe
2880	RegAsm.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2880	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 1308 wrote to memory of 2880	1308	cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe	29
PID 2880 wrote to memory of 2804	2880	RegAsm.exe	30
PID 2880 wrote to memory of 2804	2880	RegAsm.exe	30
PID 2880 wrote to memory of 2804	2880	RegAsm.exe	30
PID 2880 wrote to memory of 2804	2880	RegAsm.exe	30

C:\Users\Admin\AppData\Local\Temp\cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc49f7279b049c08b6d2aaf2939a1cc6_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1308
- 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:2880
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp86A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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\tmp86A.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/1308-2-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2880-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-12-0x0000000073FA2000-0x0000000073FA4000-memory.dmp

Filesize
8KB

Download
memory/2880-17-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-18-0x0000000073FA2000-0x0000000073FA4000-memory.dmp

Filesize
8KB

Download
memory/2880-19-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads