nanocore | 29c3861feead5d99c7d2e4c1a50dd6b29f8ca4d8add002ca8028d2f876abbbeb

General

Target

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
Size

784KB
MD5

2cef208d03ae2f434c85229428c66724
SHA1

e3cb0614661cd3fe70bc4bd245678920e776c9f7
SHA256

29c3861feead5d99c7d2e4c1a50dd6b29f8ca4d8add002ca8028d2f876abbbeb
SHA512

bcc3bc8dc71434f8d9561ec8eba5dfedca332de67ef1bd6be0c55fc12abe316561f2212ee34b6fc354da94778281d4d971db8ab11d315aa72422a8286b5f0f85
SSDEEP

12288:vB0UM7PtYaerVBsrZBcpcWPk8ZQddwtxUMOnzHekqDE0F73vYaer:vB0U+MrVm1B4tZO+tHOzHcl7Or

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mec.sytes.net:3259

Mutex

9358a53f-433c-42f5-bd3f-14ae4da528cf

Attributes

activate_away_mode
true
backup_connection_host
mec.sytes.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-04T14:41:53.527071936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
3259
default_group
Mine
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
9358a53f-433c-42f5-bd3f-14ae4da528cf
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
mec.sytes.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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 whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2112 set thread context of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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:

schtasks.exe2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

pid	Process
2556	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
2556	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
2556	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

pid	Process
2556	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2556	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2112 wrote to memory of 2592	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2592	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2592	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2592	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2556	2112	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zwiElCA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CA6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2592
- C:\Users\Admin\AppData\Local\Temp\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

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\tmp8CA6.tmp

Filesize
1KB

MD5
32329ce8910fa7ffe300b387c4be414b

SHA1
d09a71ab88bfe150b2a823876dfe165343f2e7c4

SHA256
c4df470b24fcf082d646d22beeb0bd5a9c66f56698c2843537105d3ab09f9f31

SHA512
9c8f8fda3f1f83f24f74bec5860d1e4413a167d9181e3964ec67bae3b0c14d95d1cea804f52e5a276196f7d850f054ba0f6d2e16c5e75f6244738ccb264790fd

Download Submit
memory/2112-0-0x0000000074971000-0x0000000074972000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-2-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-3-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-4-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-23-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-22-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-25-0x0000000074970000-0x0000000074F1B000-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