nanocore | d84feff4c109ae89c3712afd4454ec8a2e9171930cee71d665fd7bbe705b095e

General

Target

7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
Size

1.1MB
MD5

7c1ff03d7f14a5eabd43873bb4971b5f
SHA1

aca8440bef0d1b53d7b7396f7cb6b44891d4e9ef
SHA256

d84feff4c109ae89c3712afd4454ec8a2e9171930cee71d665fd7bbe705b095e
SHA512

e6d79aafc34567dc6057db11194bc6fcf9012e2eeb0373f695507339f05ca20ae8f5bf4460976d7f38731546110cfdd9798c883238f3ecaba37b07a63f7552fd
SSDEEP

12288:BWFOi0F6iNhOFpzx1Bw1regn1cBMBN0B/DXH2qqewGOqzDAMOnYyniZYUg0Jx59B:Ewi0ZhOFpzx3UBgD3hqe/OqzsnvG5

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

queda2122.ddns.net:110

queda212.ddns.net:110

Mutex

a59769ae-d88b-48a6-9aeb-eba13186dd16

Attributes

activate_away_mode
true
backup_connection_host
queda212.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-05-01T17:12:48.076145036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
110
default_group
Default
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
a59769ae-d88b-48a6-9aeb-eba13186dd16
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
queda2122.ddns.net
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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Silverlight.exe	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Silverlight.exe	7c1ff03d7f14a5eabd43873bb4971b5f_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	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 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	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1668	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
1668	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
1668	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1668	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
Token: SeDebugPrivilege	1668	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88
PID 2308 wrote to memory of 1668	2308	7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\7c1ff03d7f14a5eabd43873bb4971b5f_JaffaCakes118.exe
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1668-10-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/1668-15-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/1668-16-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/1668-8-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/1668-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1668-14-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/1668-9-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/2308-5-0x00000000746D2000-0x00000000746D3000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/2308-0-0x00000000746D2000-0x00000000746D3000-memory.dmp

Filesize
4KB

Download
memory/2308-12-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/2308-6-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/2308-3-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download
memory/2308-2-0x00000000746D0000-0x0000000074C81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing