nanocore | fecd9f652d81fa8fe612843ff002c9c1dff20290fb236cab9fae0dc745e5fa2b

General

Target

d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
Size

1.3MB
MD5

d58ba1bf06b668057d27861116b7b406
SHA1

81167311d84683d6a92fea215aeaa2beedabe667
SHA256

fecd9f652d81fa8fe612843ff002c9c1dff20290fb236cab9fae0dc745e5fa2b
SHA512

35b5a949368149bd21c78d90cf833499b5411a2d82fcd75d0f245fcea1142842ade50342d7482c743e7c87055604f4b09481361b329b1444feab732c9f1dc19a
SSDEEP

24576:t2Txd+PHVtMou1bNagIIE4L8BcM8eqYg:zK1bNaPDEiNi

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.154.4.187:7416

alexwill.ddns.net:7416

Mutex

e630f89c-2a86-4f4f-b810-5fa9782b92fb

Attributes

activate_away_mode
true
backup_connection_host
alexwill.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-14T06:32:50.613656836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7416
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
e630f89c-2a86-4f4f-b810-5fa9782b92fb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
45.154.4.187
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
Nanocore family
nanocore

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	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85

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	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4100	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
4100	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
4100	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4100	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4100	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85
PID 780 wrote to memory of 4100	780	d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780
- C:\Users\Admin\AppData\Local\Temp\d58ba1bf06b668057d27861116b7b406_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d58ba1bf06b668057d27861116b7b406_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:4100

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

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Downloads

memory/780-13-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/780-1-0x0000000000CD0000-0x0000000000E28000-memory.dmp

Filesize
1.3MB

Download
memory/780-2-0x0000000005790000-0x0000000005806000-memory.dmp

Filesize
472KB

Download
memory/780-3-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/780-4-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/780-5-0x0000000005970000-0x0000000005A0C000-memory.dmp

Filesize
624KB

Download
memory/780-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/780-7-0x0000000005830000-0x000000000584E000-memory.dmp

Filesize
120KB

Download
memory/780-8-0x0000000005B80000-0x0000000005C24000-memory.dmp

Filesize
656KB

Download
memory/780-9-0x0000000005880000-0x0000000005896000-memory.dmp

Filesize
88KB

Download
memory/780-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/4100-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4100-11-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4100-14-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4100-15-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/4100-17-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/4100-18-0x0000000006320000-0x000000000633E000-memory.dmp

Filesize
120KB

Download
memory/4100-19-0x0000000006450000-0x000000000645A000-memory.dmp

Filesize
40KB

Download
memory/4100-20-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4100-21-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download

Analysis

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