nanocore | 94bcc238e29903cc49036da98144dae0c7e10526669d6c50e3b87239f8e27262

General

Target

outstanding statement.exe
Size

747KB
MD5

c83f7860b0c0f1ad76d8ca65c6bad689
SHA1

221ba6cf88de4c688583c69e8892ec9c3804a11e
SHA256

94bcc238e29903cc49036da98144dae0c7e10526669d6c50e3b87239f8e27262
SHA512

b0d67dc5e4f1bfdefd3785c33088823fabf690107b58b9efa88c617fe2c1f679b651e7826187106b5f8f4e5b44d4b92ff7d3b9e247a908e1ddc6591fb00c8307
SSDEEP

12288:PHK2xwKKFbHecmpYAf6GZPVNzBKUcY4oqwlsLhARylQ:/KvHBu1iizgUcGqwlsL+E

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-06T12:07:01.612898436Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1010
default_group
Default
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
5a26bcef-e67f-486a-8e48-1748cc7891a2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera5nano.ddns.net
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

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:

outstanding statement.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	outstanding statement.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

outstanding statement.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	outstanding statement.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

outstanding statement.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA outstanding statement.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

outstanding statement.exe

description pid process target process

PID 2200 set thread context of 3428 2200 outstanding statement.exe outstanding statement.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	outstanding statement.exe

description	pid	process	target process
PID 2200 set thread context of 3428	2200	outstanding statement.exe	outstanding statement.exe

Drops file in Program Files directory 2 IoCs

Processes:

outstanding statement.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	outstanding statement.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	outstanding statement.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

4392 schtasks.exe
4196 schtasks.exe
3268 schtasks.exe

pid	process
4392	schtasks.exe
4196	schtasks.exe
3268	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

outstanding statement.exe

pid	process
3428	outstanding statement.exe
3428	outstanding statement.exe
3428	outstanding statement.exe
3428	outstanding statement.exe
3428	outstanding statement.exe
3428	outstanding statement.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

outstanding statement.exe

pid process

3428 outstanding statement.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

outstanding statement.exe

description pid process

Token: SeDebugPrivilege 3428 outstanding statement.exe

description	pid	process
Token: SeDebugPrivilege	3428	outstanding statement.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

outstanding statement.exeoutstanding statement.exe

description	pid	process	target process
PID 2200 wrote to memory of 4196	2200	outstanding statement.exe	schtasks.exe
PID 2200 wrote to memory of 4196	2200	outstanding statement.exe	schtasks.exe
PID 2200 wrote to memory of 4196	2200	outstanding statement.exe	schtasks.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 2200 wrote to memory of 3428	2200	outstanding statement.exe	outstanding statement.exe
PID 3428 wrote to memory of 3268	3428	outstanding statement.exe	schtasks.exe
PID 3428 wrote to memory of 3268	3428	outstanding statement.exe	schtasks.exe
PID 3428 wrote to memory of 3268	3428	outstanding statement.exe	schtasks.exe
PID 3428 wrote to memory of 4392	3428	outstanding statement.exe	schtasks.exe
PID 3428 wrote to memory of 4392	3428	outstanding statement.exe	schtasks.exe
PID 3428 wrote to memory of 4392	3428	outstanding statement.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\outstanding statement.exe
"C:\Users\Admin\AppData\Local\Temp\outstanding statement.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OIdzpXTWJYUnz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp541B.tmp"
2⤵
- Creates scheduled task(s)
PID:4196

C:\Users\Admin\AppData\Local\Temp\outstanding statement.exe
"{path}"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp58FD.tmp"
3⤵
- Creates scheduled task(s)
PID:3268

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp596B.tmp"
3⤵
- Creates scheduled task(s)
PID:4392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp541B.tmp
Filesize
1KB

MD5
a8ec3c2418c2d3ebab121e83378d4fba

SHA1
b39dcdbe1124a001bc7644715440bb0af991a7b5

SHA256
a9f46d76b1e5a94ede3840224dc486679cfa88c564410b3967f7cd304df37333

SHA512
c306ba34bff39fedfebf2ada33cea7fe53b128d71e34635352b58a20a29df69d2f6540d065929f3a088e79c0cb82e79bd66b5029746b1e989a7d5972fb86df68

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp58FD.tmp
Filesize
1KB

MD5
c5d2ba6a2aad8ee1b0d7bf205a163cef

SHA1
d4cf13be2e945f96a95db32e60d3661cc0d00c47

SHA256
341917cad8660741290b81b12eb2aa21e05bd53f1e7411329d254c8b405fa937

SHA512
05f0aa3671a166a5e7b2be436131fbf07ddb6c4e6933e8763c13779e7c398aaeefd208ef9c48db50b34b62d1f88ab8f8e346a52f3dcf760b7751f5b88e37a949

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp596B.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/2200-135-0x0000000004C70000-0x0000000004D0C000-memory.dmp

Filesize
624KB

Download
memory/2200-136-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/2200-132-0x00000000000F0000-0x00000000001B0000-memory.dmp

Filesize
768KB

Download
memory/2200-134-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/2200-133-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/3268-141-0x0000000000000000-mapping.dmp

Download
memory/3428-139-0x0000000000000000-mapping.dmp

Download
memory/3428-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3428-145-0x0000000006D30000-0x0000000006D96000-memory.dmp

Filesize
408KB

Download
memory/4196-137-0x0000000000000000-mapping.dmp

Download
memory/4392-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads