nanocore | 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5

General

Target

0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
Size

1.2MB
MD5

6f55f3ce777b14cded60ff84c49aefc2
SHA1

684be97c043133ec9fe5ccfb04628864e0d06fba
SHA256

0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5
SHA512

309ee0916c2bf473e4a5dbb1153b78b990611a6f5ffe1dcd6f8da4ee94fd4fbda8cbf090b3086e1f379ccd9c6b01cd13a5532295a220a9d021761a91aedb6b3b
SSDEEP

24576:0xEo0hcyTAkOY6ciDnifxCUQ78cb2mmmsr5nENi:0xiJfAi5CTlvmNRENi

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.114.225.7:5502

Mutex

d0f67b11-5f9c-4a18-bad1-6ac1f96cb72d

Attributes

activate_away_mode
true
backup_connection_host
185.114.225.7
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-06-21T17:51:56.715796736Z
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
5502
default_group
Csgoniggers
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
d0f67b11-5f9c-4a18-bad1-6ac1f96cb72d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.114.225.7
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\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsv.exe"	regasm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 456 set thread context of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\NAT Service\natsv.exe	regasm.exe
File created	C:\Program Files (x86)\NAT Service\natsv.exe	regasm.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4764	schtasks.exe
468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
3748	regasm.exe
3748	regasm.exe
3748	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3748	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	regasm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 3380	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	91
PID 456 wrote to memory of 3380	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	91
PID 456 wrote to memory of 3380	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	91
PID 456 wrote to memory of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94
PID 456 wrote to memory of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94
PID 456 wrote to memory of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94
PID 456 wrote to memory of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94
PID 456 wrote to memory of 3748	456	0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe	94
PID 3748 wrote to memory of 4764	3748	regasm.exe	96
PID 3748 wrote to memory of 4764	3748	regasm.exe	96
PID 3748 wrote to memory of 4764	3748	regasm.exe	96
PID 3748 wrote to memory of 468	3748	regasm.exe	98
PID 3748 wrote to memory of 468	3748	regasm.exe	98
PID 3748 wrote to memory of 468	3748	regasm.exe	98

C:\Users\Admin\AppData\Local\Temp\0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
"C:\Users\Admin\AppData\Local\Temp\0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:456
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
  2⤵
  PID:3380
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.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
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC4E6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4764
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC545.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

C:\Users\Admin\AppData\Local\Temp\tmpC4E6.tmp

Filesize
1KB

MD5
3f76b55d124a132695096b4f1728b273

SHA1
1bad3618b1673bbf98d2ba729eb2bee67ef62a73

SHA256
c24803bbf9fc77c6e774c9e01142979888c6d4a848d19c916f1de3f399fc7e89

SHA512
6433c2820d518308b3823028bb58d857a6749783ae9d00f23f5ff4435fd9a2ea647700eca7ac74c2340c8bc5bdd746a125a35ed1bb2c6c0402051100e55b999e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC545.tmp

Filesize
1KB

MD5
cd8e69b89899eb65a199cc8019e502ad

SHA1
19ae04c02d02e2828e4513de66734c383660d1a5

SHA256
cf1a9b78745b0f788fea2f579f1e3a82efc7425edb1f35abb8dd8e1cbaaf03ef

SHA512
9a2bf35fc687ec6ac81ad3fe16f82f104ad880be6b36afc7297264de09d50e85d9d3376ed9378d56b08ef94ca700b886cc40768587fc623c7fb6117265bd7033

Download Submit
memory/456-1-0x0000000002870000-0x0000000002965000-memory.dmp

Filesize
980KB

Download
memory/456-2-0x0000000003190000-0x0000000003285000-memory.dmp

Filesize
980KB

Download
memory/456-0-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/456-4-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/456-6-0x0000000003190000-0x0000000003285000-memory.dmp

Filesize
980KB

Download
memory/456-5-0x0000000002870000-0x0000000002965000-memory.dmp

Filesize
980KB

Download
memory/3748-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3748-9-0x00000000739D0000-0x0000000073F81000-memory.dmp

Filesize
5.7MB

Download
memory/3748-8-0x00000000739D0000-0x0000000073F81000-memory.dmp

Filesize
5.7MB

Download
memory/3748-7-0x00000000739D2000-0x00000000739D3000-memory.dmp

Filesize
4KB

Download
memory/3748-17-0x00000000739D2000-0x00000000739D3000-memory.dmp

Filesize
4KB

Download
memory/3748-18-0x00000000739D0000-0x0000000073F81000-memory.dmp

Filesize
5.7MB

Download
memory/3748-19-0x00000000739D0000-0x0000000073F81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads