nanocore | fc1c7d529b99a19df1937a18546e4da0ea706fc7a58309b9b55d33f214ce7e75

General

Target

c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
Size

1.3MB
MD5

c51c37c99d643f2abcf336f2b498b0df
SHA1

cc89fe871834f4c0ee22a4664392ff808e2e3cd9
SHA256

fc1c7d529b99a19df1937a18546e4da0ea706fc7a58309b9b55d33f214ce7e75
SHA512

df53f0daeeac94e533ca7c1c205dc26b92d111bb0c98a026ea6e8552cfe939e051788d443c6bf34219b57edb820fdfa1984922c39f2c272e2312056d8956311a
SSDEEP

24576:PkqoTHoubSIshV54PN2dgnbBiSgPUz6teZVi/hMsQamQG:P90oV6F5nlidt0VgM7ahG

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

103.68.223.152:9536

Mutex

09e241fb-96c4-43d2-99f7-88a0e3f74e24

Attributes

activate_away_mode
true
backup_connection_host
103.68.223.152
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-04-02T00:14:07.539943636Z
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
9536
default_group
Skipo
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
09e241fb-96c4-43d2-99f7-88a0e3f74e24
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
103.68.223.152
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

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\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsvc.exe"	c51c37c99d643f2abcf336f2b498b0df_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	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NAT Service\natsvc.exe	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\NAT Service\natsvc.exe	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

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	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2688	schtasks.exe
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2688	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2688	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2688	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2688	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2692	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	32
PID 2424 wrote to memory of 2692	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	32
PID 2424 wrote to memory of 2692	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	32
PID 2424 wrote to memory of 2692	2424	c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c51c37c99d643f2abcf336f2b498b0df_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7475.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NAT Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7531.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2692

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\tmp7475.tmp

Filesize
1KB

MD5
059866a00dbdd9c5b037541667f17724

SHA1
9551c4eafc473f7a819a0661527255657eca28a6

SHA256
8e9c643cd068a648eb2dfb8094efd5c6a3187e9e5fd9d964b7fcbc0b9186c84d

SHA512
87681f59292e7fb092a35f1eb5ec368fefeec5d3677a530e4bd535322932c3ecec75681fb0e99b1aa08d4fd7459abc2201a3fced0b037859f2a31e817e04aef8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7531.tmp

Filesize
1KB

MD5
45cb9fac03bbbeb9a6e82b85eb3efbda

SHA1
4d6c00b68434d11f346ce844ccbc2ed7b7d4acff

SHA256
185deb301fb4155d92e158bad5a52722c63ae7399a5b9d3d875050d5389b933a

SHA512
00713c53d7193660ba223a47fa46225cb6d870ea5ea794f703efc73e21e6e01b7283dac5be3d5280e553b922521e32bc7db591bf471bd7673a1a0b62b198073b

Download Submit
memory/2424-13-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-15-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2424-9-0x0000000073BC1000-0x0000000073BC2000-memory.dmp

Filesize
4KB

Download
memory/2424-10-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-11-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-12-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-14-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2424-4-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2424-7-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2424-6-0x0000000076EC0000-0x0000000076F96000-memory.dmp

Filesize
856KB

Download
memory/2424-5-0x0000000003B50000-0x0000000003C50000-memory.dmp

Filesize
1024KB

Download
memory/2424-23-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-24-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-25-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2424-26-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-27-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-28-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-29-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2424-30-0x0000000073BC0000-0x000000007416B000-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