nanocore | b4b7ccaf9c79cbedbce42273d701e468c423d5a9c6d175f0a47ec8eb97d8c109

Resubmissions

13-08-2024 15:25

240813-sts6ls1eld 7

13-08-2024 15:24

13-08-2024 15:22

13-08-2024 15:13

13-08-2024 07:43

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13-08-2024 07:43

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General

Target

cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
Size

926KB
MD5

cc5881eb57b7fcdcca4ce8e4d3dd8e20
SHA1

26265ef01f129f75ad2f6e9cccedcf836f09a835
SHA256

b4b7ccaf9c79cbedbce42273d701e468c423d5a9c6d175f0a47ec8eb97d8c109
SHA512

10c85317d92d8b609cb182413bbe392d65ba82d32c704b65eecf6e90e92bd419cd3a82d0b0a4eae65f5d0b9e6e7736352232686fc68b989a152952256f84ab1d
SSDEEP

24576:Hrl6kD68JmloLQfgqu4Dij/f7HcAdmjKt0OkhgL:Ll328U2kfc4Kf7HlFTL

Score

10^/10

nanocore discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

motherpure.duckdns.org:3920

185.214.10.57:3920

Mutex

bf795df6-2075-40d9-84eb-258bd0bbe097

Attributes

activate_away_mode
false
backup_connection_host
185.214.10.57
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-22T15:40:23.303555136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
3920
default_group
MAY13
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
bf795df6-2075-40d9-84eb-258bd0bbe097
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
motherpure.duckdns.org
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

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2764-0-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-1-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-2-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-20-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-21-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-25-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-26-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-27-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-28-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-29-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-30-0x00000000001A0000-0x000000000039A000-memory.dmp	upx
behavioral1/memory/2764-31-0x00000000001A0000-0x000000000039A000-memory.dmp	upx

AutoIT Executable 11 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2764-1-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-2-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-20-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-21-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-25-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-26-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-27-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-28-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-29-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-30-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe
behavioral1/memory/2764-31-0x00000000001A0000-0x000000000039A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31
PID 2764 wrote to memory of 2852	2764	cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe	31

C:\Users\Admin\AppData\Local\Temp\cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
"C:\Users\Admin\AppData\Local\Temp\cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2764-0-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-21-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-2-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-5-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2764-31-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-30-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-1-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-29-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-26-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-27-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-28-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-25-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2764-22-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2764-20-0x00000000001A0000-0x000000000039A000-memory.dmp

Filesize
2.0MB

Download
memory/2852-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-19-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-23-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-24-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-16-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-17-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-15-0x00000000747C1000-0x00000000747C2000-memory.dmp

Filesize
4KB

Download
memory/2852-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download