nanocore | 1480f8c6b0fba994c00375e833b1c7aa0399e8aa92f00a41d3038f851d64ff9e

Analysis

max time kernel
147s
max time network
153s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20/06/2023, 19:09

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General

Target
file.exe
Size 1.0MB
Sample230620-xtsbjadg85
SHA256 1480f8c6b0fba994c00375e833b1c7aa0399e8aa92f00a41d3038f851d64ff9e
MD5 1cbb726aada6d392c55f2a52113d05eb
SHA1 d2297ca38687a26521224c9ddca495d55e46bc65
SHA512 deaf8db3131d22f3daa068284500774015e7d981bda8b17deb5313b55701a6274ece22d90ae5f49a9b33ec4975ecfffa8ed87a33a369f0eb502e6221ed03b16b
SSDEEP 24576:gk70Trcj+4W2stXjtM4p9Khb4tDF6rR2Go6CPdXJ6W:gkQTAj+oste4pW4F4R2GOd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

jmtjmt.ddns.net:31286
127.0.0.1:31286

Mutex

395d96f0-6b1c-4bb2-8b4b-5c245f66f087

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2023-03-31T09:51:48.017929336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
31286
default_group
LION
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
395d96f0-6b1c-4bb2-8b4b-5c245f66f087
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jmtjmt.ddns.net
primary_dns_server
37.235.1.174
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

Unexpected DNS network traffic destination 6 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 1688	1764	file.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	caspol.exe
1688	caspol.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1688	caspol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	file.exe
Token: SeDebugPrivilege	1688	caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28
PID 1764 wrote to memory of 1688	1764	file.exe	28

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1688

Network

MITRE ATT&CK Matrix

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Downloads

memory/1688-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-72-0x0000000000670000-0x00000000006B0000-memory.dmp

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memory/1688-57-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-58-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-59-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-71-0x0000000000670000-0x00000000006B0000-memory.dmp

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memory/1688-60-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-70-0x00000000003F0000-0x00000000003FA000-memory.dmp

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memory/1688-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1688-66-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1688-68-0x00000000003A0000-0x00000000003AA000-memory.dmp

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memory/1688-69-0x00000000004E0000-0x00000000004FE000-memory.dmp

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memory/1764-54-0x0000000004A80000-0x0000000004B80000-memory.dmp

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memory/1764-55-0x0000000004980000-0x0000000004A7E000-memory.dmp

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memory/1764-56-0x0000000002250000-0x0000000002264000-memory.dmp

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