nanocore | 6a7b877bba0381cfffcba61432c25bdd0d06bc5c3f3f7e341cbda2400f3450fd

General

Target

8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe
Size

510KB
MD5

8d1432233fbf50a4bed2cde7d02a15fb
SHA1

7bdbca043befbdbc1bf8a4f4d18605d6ef05a02d
SHA256

6a7b877bba0381cfffcba61432c25bdd0d06bc5c3f3f7e341cbda2400f3450fd
SHA512

84a14778d2e6c1d5f5449312cad241707c3a9f88671697980b3444bea0e90ef5a53b994e33dc5210bad4da9d1b33587bcb4a83ef30a4654da46c7b0f2254ebcf
SSDEEP

12288:12qUdOQ97ZMO8EBqHCeXnBK9D0UEMPhnBCnZ3CXvspD:12qIOQ3qPXna0sE3CEpD

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

184.75.209.163:1718

Mutex

a33526f3-84a9-41c6-a470-86610803cdd6

Attributes

activate_away_mode
true
backup_connection_host
184.75.209.163
backup_dns_server
buffer_size
65535
build_time
2018-03-25T06:03:50.753224836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1718
default_group
CHRONE
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
a33526f3-84a9-41c6-a470-86610803cdd6
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
184.75.209.163
primary_dns_server
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

app.exeapp.exe

pid process

3280 app.exe
4824 app.exe

pid	process
3280	app.exe
4824	app.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

app.exeapp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\app.exe -boot"	app.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Host = "C:\\Program Files (x86)\\DOS Host\\doshost.exe"	app.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

app.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA app.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

app.exe

description pid process target process

PID 3280 set thread context of 4824 3280 app.exe app.exe

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

description	pid	process	target process
PID 3280 set thread context of 4824	3280	app.exe	app.exe

Drops file in Program Files directory 2 IoCs

Processes:

app.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DOS Host\doshost.exe	app.exe
File created	C:\Program Files (x86)\DOS Host\doshost.exe	app.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

app.exe

pid process

4824 app.exe
4824 app.exe
4824 app.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

app.exe

pid process

4824 app.exe

pid	process
4824	app.exe
4824	app.exe
4824	app.exe

pid	process
4824	app.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exeapp.exeapp.exe

description	pid	process
Token: SeDebugPrivilege	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe
Token: SeDebugPrivilege	3280	app.exe
Token: SeDebugPrivilege	4824	app.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exeexplorer.exeapp.exe

description	pid	process	target process
PID 1400 wrote to memory of 1880	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	cmd.exe
PID 1400 wrote to memory of 1880	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	cmd.exe
PID 1400 wrote to memory of 1880	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	cmd.exe
PID 1400 wrote to memory of 5116	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	explorer.exe
PID 1400 wrote to memory of 5116	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	explorer.exe
PID 1400 wrote to memory of 5116	1400	8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe	explorer.exe
PID 4508 wrote to memory of 3280	4508	explorer.exe	app.exe
PID 4508 wrote to memory of 3280	4508	explorer.exe	app.exe
PID 4508 wrote to memory of 3280	4508	explorer.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe
PID 3280 wrote to memory of 4824	3280	app.exe	app.exe

C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\8d1432233fbf50a4bed2cde7d02a15fb_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
2⤵
- Drops startup file
PID:1880

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
2⤵
PID:5116

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:4508

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3280

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4824

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
Filesize
510KB

MD5
8d1432233fbf50a4bed2cde7d02a15fb

SHA1
7bdbca043befbdbc1bf8a4f4d18605d6ef05a02d

SHA256
6a7b877bba0381cfffcba61432c25bdd0d06bc5c3f3f7e341cbda2400f3450fd

SHA512
84a14778d2e6c1d5f5449312cad241707c3a9f88671697980b3444bea0e90ef5a53b994e33dc5210bad4da9d1b33587bcb4a83ef30a4654da46c7b0f2254ebcf

Download Submit
memory/1400-8-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/1400-6-0x0000000006B40000-0x0000000006BDC000-memory.dmp

Filesize
624KB

Download
memory/1400-3-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/1400-4-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/1400-9-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/1400-7-0x0000000005670000-0x0000000005686000-memory.dmp

Filesize
88KB

Download
memory/1400-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/1400-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/1400-5-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/1400-1-0x0000000000A20000-0x0000000000AA6000-memory.dmp

Filesize
536KB

Download
memory/1400-16-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3280-15-0x00000000055C0000-0x00000000055D6000-memory.dmp

Filesize
88KB

Download
memory/4824-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4824-22-0x0000000005650000-0x000000000565A000-memory.dmp

Filesize
40KB

Download
memory/4824-23-0x0000000005860000-0x000000000587E000-memory.dmp

Filesize
120KB

Download
memory/4824-24-0x0000000005C10000-0x0000000005C1A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads