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 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:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

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 3388 set thread context of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92

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:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exeschtasks.exe2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

pid	Process
3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
3532	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
3532	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
3532	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

pid	Process
3532	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
Token: SeDebugPrivilege	3532	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3388 wrote to memory of 2980	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	90
PID 3388 wrote to memory of 2980	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	90
PID 3388 wrote to memory of 2980	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	90
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92
PID 3388 wrote to memory of 3532	3388	2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zwiElCA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20D1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2980
- 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:3532

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:2976

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

Query Registry

1

T1012

System Information Discovery

3

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\Microsoft\CLR_v2.0_32\UsageLogs\2cef208d03ae2f434c85229428c66724_JaffaCakes118.exe.log

Filesize
586B

MD5
914513175bd4fab5aaebe1e866a27e04

SHA1
6fcaf969a08a051a0b1ca1ae514dcd9235357601

SHA256
2a4809fbb2051044be31cbb59181747ac6fef660fdc8d42917a0a37db2bf9e33

SHA512
089262b7e7c73768f0232f8da33753862f6f4b4005d41b86d692f1de8b6fb86c6902e21298825270dfad61482b9091bb821f44057cc28f2dfdd82fe68cfa217d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp20D1.tmp

Filesize
1KB

MD5
e2e207950ee0cff1a2989e4269c460b0

SHA1
b9b620d27c2152c02b2a046f6759698840d0f1e6

SHA256
cff1577e22c844e400d6f368affeebe7910b04c4ac4a2bb69c2932fd14456973

SHA512
5cc5f60782ad83224dd7a260c0630be7fb4b20a9defbb2bfb1a7317a9d9da377d4ca641b573e7631d35e9328e70acdb9dee05ab63694e957eef50db9e4c6bd69

Download Submit
memory/2976-5-0x00007FFFCCF00000-0x00007FFFCD8A1000-memory.dmp

Filesize
9.6MB

Download
memory/2976-13-0x00007FFFCCF00000-0x00007FFFCD8A1000-memory.dmp

Filesize
9.6MB

Download
memory/2976-4-0x0000000000720000-0x0000000000740000-memory.dmp

Filesize
128KB

Download
memory/2976-3-0x00007FFFCD1B5000-0x00007FFFCD1B6000-memory.dmp

Filesize
4KB

Download
memory/2976-6-0x000000001A060000-0x000000001A434000-memory.dmp

Filesize
3.8MB

Download
memory/2976-7-0x00007FFFCCF00000-0x00007FFFCD8A1000-memory.dmp

Filesize
9.6MB

Download
memory/2976-8-0x000000001A720000-0x000000001A856000-memory.dmp

Filesize
1.2MB

Download
memory/2976-9-0x00007FFFCCF00000-0x00007FFFCD8A1000-memory.dmp

Filesize
9.6MB

Download
memory/2976-12-0x00007FFFCD1B5000-0x00007FFFCD1B6000-memory.dmp

Filesize
4KB

Download
memory/3388-11-0x0000000074682000-0x0000000074683000-memory.dmp

Filesize
4KB

Download
memory/3388-10-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3388-0-0x0000000074682000-0x0000000074683000-memory.dmp

Filesize
4KB

Download
memory/3388-14-0x00000000011E0000-0x00000000011F0000-memory.dmp

Filesize
64KB

Download
memory/3388-2-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3388-1-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3388-23-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3532-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3532-22-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3532-21-0x0000000074682000-0x0000000074683000-memory.dmp

Filesize
4KB

Download
memory/3532-25-0x0000000074680000-0x0000000074C31000-memory.dmp

Filesize
5.7MB

Download
memory/3532-26-0x0000000074682000-0x0000000074683000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads