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

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	pid	process	target process
PID 2220 set thread context of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.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

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

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

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

pid	process
2780	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
2780	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
2780	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

pid process

2780 79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2780 79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2780	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

description	pid	process	target process
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe
PID 2220 wrote to memory of 2780	2220	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe	79949bbec90a663289312a4bcb043aeb_JaffaCakes118.exe

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:2220

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:2780

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/2220-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x00000000011E0000-0x0000000001250000-memory.dmp

Filesize
448KB

Download
memory/2220-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-3-0x0000000000380000-0x0000000000388000-memory.dmp

Filesize
32KB

Download
memory/2220-18-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-17-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2780-20-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-22-0x0000000000810000-0x000000000081A000-memory.dmp

Filesize
40KB

Download
memory/2780-23-0x0000000000A00000-0x0000000000A1E000-memory.dmp

Filesize
120KB

Download
memory/2780-24-0x0000000000A20000-0x0000000000A2A000-memory.dmp

Filesize
40KB

Download
memory/2780-25-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-26-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads