nanocore | 8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1

General

Target

74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Size

769KB
MD5

74b1f9ccfc3a8cd599c6565187306657
SHA1

447362e6ac5562132324147636b2c5f13ed7e87e
SHA256

8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1
SHA512

c88740b94abe0fc862560525566b6c8482cc04c59f43c85b5ee8220db546eeb77990cea5a792aa0928341152371a1b84e27df7abb6bdedad5982937cb0128821
SSDEEP

12288:ixfMNAGE3qOh/EcvseSdNZo9KDictCHTC0kX7qj8DBTuLTtuZTUJ:i9GVE3qOh/zxqG9lkCHo7qQtThZTU

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-27T10:27:04.358793536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4190
default_group
EYPPPP
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
2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.org
primary_dns_server
8.8.8.8
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

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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

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\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.exe"	74b1f9ccfc3a8cd599c6565187306657_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	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Service\dpisv.exe	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DPI Service\dpisv.exe	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.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 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	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.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
748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
3592	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
3592	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
3592	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3592	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
Token: SeDebugPrivilege	3592	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 748	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	96
PID 2840 wrote to memory of 748	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	96
PID 2840 wrote to memory of 748	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	96
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98
PID 2840 wrote to memory of 3592	2840	74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_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:2840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kgiHOQFWsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:748
- C:\Users\Admin\AppData\Local\Temp\74b1f9ccfc3a8cd599c6565187306657_JaffaCakes118.exe
  "{path}"
  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:3592

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

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\tmp21EB.tmp

Filesize
1KB

MD5
507a804081967fc1c13c6e8f15ceabf6

SHA1
395f434ea649a7627e97a94a0f4d2d5002288f13

SHA256
59daad724eaf939ebdc054c5cacb7190c0c26134bd4f1c8b4f2bdaa53eb56110

SHA512
3e01d29968e5507a59d1e481c8c4543b799696de8893edeea7cbd000d806406d7bb99c1f8659fb04b59e5689523f91e72c129b3bd7bae9e2e4325ec76de64bb9

Download Submit
memory/2840-10-0x0000000008C80000-0x0000000008D14000-memory.dmp

Filesize
592KB

Download
memory/2840-2-0x00000000057A0000-0x0000000005D44000-memory.dmp

Filesize
5.6MB

Download
memory/2840-3-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/2840-4-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/2840-5-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2840-6-0x0000000008D20000-0x0000000008DBC000-memory.dmp

Filesize
624KB

Download
memory/2840-7-0x00000000054D0000-0x00000000054D8000-memory.dmp

Filesize
32KB

Download
memory/2840-8-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2840-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2840-17-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2840-1-0x0000000000790000-0x0000000000856000-memory.dmp

Filesize
792KB

Download
memory/3592-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3592-16-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3592-18-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3592-21-0x0000000005130000-0x000000000513A000-memory.dmp

Filesize
40KB

Download
memory/3592-22-0x0000000005140000-0x000000000515E000-memory.dmp

Filesize
120KB

Download
memory/3592-23-0x0000000005DB0000-0x0000000005DBA000-memory.dmp

Filesize
40KB

Download
memory/3592-24-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/3592-25-0x0000000074DC0000-0x0000000075570000-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