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-1-5-21-4124900551-4068476067-3491212533-1000\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\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

description pid process target process

PID 1436 set thread context of 2560 1436 954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 1436 set thread context of 2560	1436	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)\DHCP Service\dhcpsv.exe	RegSvcs.exe
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.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

640 schtasks.exe
816 schtasks.exe

pid	process
640	schtasks.exe
816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exeRegSvcs.exe

pid	process
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
2560	RegSvcs.exe
2560	RegSvcs.exe
2560	RegSvcs.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2560 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2560 RegSvcs.exe

pid	process
2560	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2560	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

pid	process
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

pid	process
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe
1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 1436 wrote to memory of 2560	1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 1436 wrote to memory of 2560	1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 1436 wrote to memory of 2560	1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 1436 wrote to memory of 2560	1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 1436 wrote to memory of 2560	1436	954903e7931f170f2ebf6e9e97685a41_JaffaCakes118.exe	RegSvcs.exe
PID 2560 wrote to memory of 640	2560	RegSvcs.exe	schtasks.exe
PID 2560 wrote to memory of 640	2560	RegSvcs.exe	schtasks.exe
PID 2560 wrote to memory of 640	2560	RegSvcs.exe	schtasks.exe
PID 2560 wrote to memory of 816	2560	RegSvcs.exe	schtasks.exe
PID 2560 wrote to memory of 816	2560	RegSvcs.exe	schtasks.exe
PID 2560 wrote to memory of 816	2560	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:1436

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:2560

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp545A.tmp"
3⤵
- Creates scheduled task(s)
PID:640

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp54C8.tmp"
3⤵
- Creates scheduled task(s)
PID:816

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\tmp545A.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp54C8.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/1436-7-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/2560-10-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download
memory/2560-11-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/2560-12-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/2560-13-0x0000000074240000-0x00000000749F0000-memory.dmp

Filesize
7.7MB

Download
memory/2560-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2560-8-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2560-21-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/2560-22-0x0000000005A80000-0x0000000005A9E000-memory.dmp

Filesize
120KB

Download
memory/2560-23-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

Filesize
40KB

Download
memory/2560-24-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2560-25-0x0000000074240000-0x00000000749F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads