nanocore | 1e033659c5b96b01467e4a9f873ad6e15d659718b2b0e3e53344de879825314a

General

Target

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
Size

1.3MB
MD5

954903e7931f170f2ebf6e9e97685a41
SHA1

d86d9988605253ed46bccafad559a0657b7ff9d6
SHA256

1e033659c5b96b01467e4a9f873ad6e15d659718b2b0e3e53344de879825314a
SHA512

6dddc784c1c8e8b7dabc9fcd2cb6180e40a13c53a741b57450ebcf613ecd4630235517b36358696625752df44445c08ba4f8d29950508d36e4b58a37136dba3b
SSDEEP

24576:lAHnh+eWsN3skA4RV1Hom2KXMmHa6lOvfcaSCnvODRaehRa4/FrR5:Uh+ZkldoPK8Ya6lQFnGDRl/FX

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

unclepurple.ddns.net:9017

Mutex

d17b767e-8ed6-48f5-96db-5d2af8d92b2c

Attributes

activate_away_mode
true
backup_connection_host
unclepurple.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-04-22T18:10:32.508756936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9017
default_group
Green
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
d17b767e-8ed6-48f5-96db-5d2af8d92b2c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
unclepurple.ddns.net
primary_dns_server
8.8.8.8
request_elevation
false
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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exeRegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\tacwirtpfnoofmusluam = "C:\\Users\\Public\\tacwirtpfnoofmusluam.vbs"	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

description pid process target process

PID 2736 set thread context of 1004 2736 954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 2736 set thread context of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NAS Host\nashost.exe	RegSvcs.exe
File created	C:\Program Files (x86)\NAS Host\nashost.exe	RegSvcs.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1804 schtasks.exe
1976 schtasks.exe

pid	process
1804	schtasks.exe
1976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exeRegSvcs.exe

pid	process
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1004	RegSvcs.exe
1004	RegSvcs.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1004 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1004 RegSvcs.exe

pid	process
1004	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1004	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

pid	process
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

pid	process
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2736 wrote to memory of 1004	2736	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 1004 wrote to memory of 1804	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1804	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1804	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1804	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1976	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1976	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1976	1004	RegSvcs.exe	schtasks.exe
PID 1004 wrote to memory of 1976	1004	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21F2.tmp"
3⤵
- Creates scheduled task(s)
PID:1804

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp235A.tmp"
3⤵
- Creates scheduled task(s)
PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp21F2.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp235A.tmp
Filesize
1KB

MD5
9f554f602c22cfc20079e966d177fadb

SHA1
789baa3425849bf239e47c6bcf352e6693a8c337

SHA256
4c760d5fe0c06cf4bf554170870f41181c61a217c37eb826903094dda86dd1f1

SHA512
b83e3e97dbe38ec4c64d9bef65e2521416f2d7434d78d05e66f729a2e0fbfea3f9bc6f6c4abaf76555af89a9565dfc0853d99067be9042dd66ed6246696eecbb

Download Submit
memory/1004-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1004-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1004-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1004-12-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1004-13-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1004-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1004-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1004-21-0x0000000000620000-0x000000000062A000-memory.dmp

Filesize
40KB

Download
memory/1004-22-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/1004-23-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/1004-24-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1004-25-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-2-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads