nanocore | a5cdf26c163f87b5ea22d03f9fd935d810aad4ce9e51fbf14e46749608a6ee86

General

Target

nano.exe
Size

869KB
MD5

48f88f8902fd08209ffd9ada401a04a5
SHA1

9ef5928cf733d1cdb18f888f5c7aedca80db4280
SHA256

a5cdf26c163f87b5ea22d03f9fd935d810aad4ce9e51fbf14e46749608a6ee86
SHA512

b6fa72c59e6cb7cd1f1bab0dcb0d9d7e5a00368bbfaadc13b5d136aafa3f46fe8cc4ccb8286571d93a72cdb0552d121c5db751c4246e9f140cdfe66a771fd9de

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

uhie.hopto.org:3990

uhie2020.duckdns.org:3990

Mutex

40f803bf-a5e4-4986-b8d8-878ea3051855

Attributes

activate_away_mode
true
backup_connection_host
uhie2020.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-10T05:04:27.261402136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3990
default_group
LATE-SEPT
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
40f803bf-a5e4-4986-b8d8-878ea3051855
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
uhie.hopto.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

nano.exe

description pid process target process

PID 1268 set thread context of 1540 1268 nano.exe RegSvcs.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

768 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

nano.exeRegSvcs.exe

pid process

1268 nano.exe
1268 nano.exe
1268 nano.exe
1540 RegSvcs.exe
1540 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1540 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nano.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1268 nano.exe
Token: SeDebugPrivilege 1540 RegSvcs.exe

description	pid	process	target process
PID 1268 set thread context of 1540	1268	nano.exe	RegSvcs.exe

pid	process
768	schtasks.exe

pid	process
1268	nano.exe
1268	nano.exe
1268	nano.exe
1540	RegSvcs.exe
1540	RegSvcs.exe

pid	process
1540	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1268	nano.exe
Token: SeDebugPrivilege	1540	RegSvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

nano.exe

description	pid	process	target process
PID 1268 wrote to memory of 768	1268	nano.exe	schtasks.exe
PID 1268 wrote to memory of 768	1268	nano.exe	schtasks.exe
PID 1268 wrote to memory of 768	1268	nano.exe	schtasks.exe
PID 1268 wrote to memory of 768	1268	nano.exe	schtasks.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 988	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 980	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe
PID 1268 wrote to memory of 1540	1268	nano.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\nano.exe
"C:\Users\Admin\AppData\Local\Temp\nano.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vFuRcSAJVOtkhE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9F5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:768
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  PID:988
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  PID:980
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA9F5.tmp

MD5
46ad39c5c567692481ed70365f7befe7

SHA1
65596ea8524e5508eb443843f51958872a832683

SHA256
79fae35b98320e1749ae15176964f957a30023f2a000b5c43083e462c8c09ce5

SHA512
c9d16d439c9b8782c129c1c102b6c9d0bd94f76a7be2858540e5810f5006c37ec39b9f9e77ae2a82105ccaaeabcd3e6077c0b445c2f3dcab4c9d742ed434edce

Download Submit
memory/768-57-0x0000000000000000-mapping.dmp

Download
memory/1268-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1268-55-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/1268-56-0x0000000002331000-0x0000000002332000-memory.dmp

Filesize
4KB

Download
memory/1540-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1540-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1540-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1540-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1540-64-0x000000000041E792-mapping.dmp

Download
memory/1540-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1540-66-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/1540-67-0x0000000002121000-0x0000000002122000-memory.dmp

Filesize
4KB

Download
memory/1540-68-0x0000000002126000-0x0000000002137000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads