nanocore | 0b0818a3e82b1653a0160daedf39b18f4dd2a1b41661928451e5a26c4b6392a7

General

Target

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
Size

420KB
MD5

79949bbec90a663289312a4bcb043aeb
SHA1

14b39b97dd2564d2bee5bdbb166552a5e15b8c1f
SHA256

0b0818a3e82b1653a0160daedf39b18f4dd2a1b41661928451e5a26c4b6392a7
SHA512

09ffa62f1af6bb6f0bb00fc9da3c6e59abaabc9c1e461a8dd3391d205ad3f0d3d4fa18e063230fdfefe4ddb105adbe8a5795d05d1414cf142cc80669c0628f1c
SSDEEP

12288:gOOOYs0vs0vs0vs0B53OZjoI0/XJ2dGPDi0sMUEzSxFEqW:Gs0vs0vs0vs0X80PJPP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

grene231.ddns.net:9017

Mutex

050c3e25-856b-443b-ae6e-44a1fa0b6039

Attributes

activate_away_mode
true
backup_connection_host
grene231.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-09T09:11:12.426017136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9017
default_group
Vala
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
050c3e25-856b-443b-ae6e-44a1fa0b6039
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
grene231.ddns.net
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
Nanocore family
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\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	79949bbec90a663289312a4bcb043aeb_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	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

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	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4528	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
4528	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
4528	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4528	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85
PID 1668 wrote to memory of 4528	1668	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb_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:4528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

memory/1668-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/1668-1-0x0000000000010000-0x0000000000080000-memory.dmp

Filesize
448KB

Download
memory/1668-2-0x0000000004A00000-0x0000000004A92000-memory.dmp

Filesize
584KB

Download
memory/1668-3-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

Filesize
624KB

Download
memory/1668-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/1668-5-0x0000000004C30000-0x0000000004C38000-memory.dmp

Filesize
32KB

Download
memory/1668-6-0x0000000005340000-0x00000000058E4000-memory.dmp

Filesize
5.6MB

Download
memory/1668-12-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4528-10-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4528-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4528-13-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4528-14-0x0000000003130000-0x000000000313A000-memory.dmp

Filesize
40KB

Download
memory/4528-17-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4528-18-0x0000000006320000-0x000000000633E000-memory.dmp

Filesize
120KB

Download
memory/4528-19-0x0000000006450000-0x000000000645A000-memory.dmp

Filesize
40KB

Download
memory/4528-20-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4528-21-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads