nanocore | 5cb8b4b4511802763cb4203ee9af57b798cf44d1b921925c1980921012800c0c

General

Target

48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
Size

835KB
MD5

48159a39e517694cd35dec553de4ee04
SHA1

e1391e19b7a828a871c89cf9f0758b5ee82fc5ac
SHA256

5cb8b4b4511802763cb4203ee9af57b798cf44d1b921925c1980921012800c0c
SHA512

5edffecbe8a0fdc5757ca9a3f9bbc28a97b3f2905619ab1e65da45630522ee7d97752908a8c755d53200facf8ea5d01f1773a5b4fb803e8eb01c6af519af1161
SSDEEP

12288:u2sSi0F6i5OFpzx1Bw1regn1cBMBN0B/DXH2qqewGOqzDAMOnYyniZYU:uci0VOFpzx3UBgD3hqe/OqzsnvG

Score

10^/10

nanocore 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	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Silverlight.exe	48159a39e517694cd35dec553de4ee04_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	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2636	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
2636	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
2636	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
Token: SeDebugPrivilege	2636	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2636	2844	48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\48159a39e517694cd35dec553de4ee04_JaffaCakes118.exe
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2636

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2636-12-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-14-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-17-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-13-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2844-4-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2844-1-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2844-0-0x0000000074A41000-0x0000000074A42000-memory.dmp

Filesize
4KB

Download
memory/2844-15-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2844-6-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2844-3-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2844-2-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing