nanocore | d31fdbf6220e3ab12cb51cbe502fde0cb5b485c0b187791cad1a06e0117db36a

General

Target

fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
Size

914KB
MD5

fa451d9fcbb382547304fb3c197df41f
SHA1

a94eab5ed10b473a368bd2b952a36e1cfb6a86f3
SHA256

d31fdbf6220e3ab12cb51cbe502fde0cb5b485c0b187791cad1a06e0117db36a
SHA512

4205f65b521bbd54287184c2a064f0f6b43fa500d1fb350bd81f120e7f5bca64e8201909ac105ae0d2a7196a7e1199bace5fa0533951436051deed3e44ff8ee5
SSDEEP

12288:Ha05RoPvP+hzDMm/xy/e4rJPVI80bk7DrBfJgZWw:hQPvGhHZWe4rJrMq5wW

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

judge777.ddns.net:8282

127.0.0.1:8282

Mutex

ff326974-84e5-4f7e-884c-dce6bafebcc3

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2020-11-15T21:34:27.835212036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8282
default_group
FEB
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
ff326974-84e5-4f7e-884c-dce6bafebcc3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
judge777.ddns.net
primary_dns_server
37.235.1.174
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

Unexpected DNS network traffic destination 6 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174

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\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe"	fa451d9fcbb382547304fb3c197df41f_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	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	fa451d9fcbb382547304fb3c197df41f_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	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa451d9fcbb382547304fb3c197df41f_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
3020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1796	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
1796	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
1796	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1796	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 3020	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	30
PID 2372 wrote to memory of 3020	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	30
PID 2372 wrote to memory of 3020	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	30
PID 2372 wrote to memory of 3020	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	30
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1796	2372	fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sfnsjitbxRvkvq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp47CA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fa451d9fcbb382547304fb3c197df41f_JaffaCakes118.exe"
  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:1796

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

2

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\tmp47CA.tmp

Filesize
1KB

MD5
71637dcd1b2f001dd2e48fbc4912dcb1

SHA1
11b34f539045b0b995fd6b1161ededc4825d9f2d

SHA256
1f0e18d48fb361471f3c7e783d53e19609ee6323f89dd603066aee4c09c13c52

SHA512
93d705f2c87f41ea2df6b83ab385ccb27755788fef70a06ff1eecb8cea7607c8586365a52521e1ddc1ba16f45892f65d4cd3e035cf9cd8fd9c06b8595420a76a

Download Submit
memory/1796-23-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-25-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1796-31-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-30-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1796-29-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/1796-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-28-0x00000000003A0000-0x00000000003AA000-memory.dmp

Filesize
40KB

Download
memory/1796-32-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1796-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2372-24-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2372-3-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download
memory/2372-1-0x0000000000C70000-0x0000000000D5A000-memory.dmp

Filesize
936KB

Download
memory/2372-6-0x0000000004D40000-0x0000000004DAA000-memory.dmp

Filesize
424KB

Download
memory/2372-5-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-4-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads