nanocore | 6f35ab9d6aed8b8df1754149da79be5cdadae7b5366e8f2be46d9370f7e920c0

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 19:04

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General

Target

Server_LLLLLLLLLLLLLOOOOOOOOOOOOOOOLLLLLLLLLLLLLLL_45675435465678.ps1
Size

515KB
MD5

339fd47dbecb8574ae6f8771034c41cc
SHA1

03d9bec2f5e5da35c76c75428f3de001e1a3feef
SHA256

e206e6828623f5b5798137d87457176444418946ebabf902bd39bc05e73a8447
SHA512

c02aaba41bcfb4a40952246fc2cfcf215ff241fa951cadf6470dfffaced46e512d0973dd2c30ac928844f1fefd3d0317c8bc2c8cae3b0593ad63b11caeb62ba0
SSDEEP

6144:ct08l5UU0ggfgvF88+/+YXcNMFJEz7YlR9epsRWO6BBY1muAirbd:TJc7M8BMj

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

103.147.184.73:6710

127.0.0.1:6710

Mutex

8baa2875-f63e-4a2e-afee-b90bd3b663ce

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-25T13:18:56.232824736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6710
default_group
HBOY
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
8baa2875-f63e-4a2e-afee-b90bd3b663ce
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
103.147.184.73
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:

powershell.exe

description pid process target process

PID 3712 set thread context of 2480 3712 powershell.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

3712 powershell.exe
3712 powershell.exe
2480 aspnet_compiler.exe
2480 aspnet_compiler.exe
2480 aspnet_compiler.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

aspnet_compiler.exe

pid process

2480 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 3712 powershell.exe
Token: SeDebugPrivilege 2480 aspnet_compiler.exe

description	pid	process	target process
PID 3712 set thread context of 2480	3712	powershell.exe	aspnet_compiler.exe

pid	process
3712	powershell.exe
3712	powershell.exe
2480	aspnet_compiler.exe
2480	aspnet_compiler.exe
2480	aspnet_compiler.exe

pid	process
2480	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	3712	powershell.exe
Token: SeDebugPrivilege	2480	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe
PID 3712 wrote to memory of 2480	3712	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Server_LLLLLLLLLLLLLOOOOOOOOOOOOOOOLLLLLLLLLLLLLLL_45675435465678.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2480

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_caubo1go.qzr.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2480-22-0x0000000005820000-0x0000000005830000-memory.dmp

Filesize
64KB

Download
memory/2480-25-0x0000000005A00000-0x0000000005A0A000-memory.dmp

Filesize
40KB

Download
memory/2480-20-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/2480-21-0x0000000005A20000-0x0000000005ABC000-memory.dmp

Filesize
624KB

Download
memory/2480-19-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/2480-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2480-28-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2480-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2480-29-0x0000000005820000-0x0000000005830000-memory.dmp

Filesize
64KB

Download
memory/2480-27-0x0000000005F20000-0x0000000005F2A000-memory.dmp

Filesize
40KB

Download
memory/2480-26-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/2480-23-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/3712-9-0x000001E1353F0000-0x000001E135412000-memory.dmp

Filesize
136KB

Download
memory/3712-10-0x00007FF8BF320000-0x00007FF8BFDE1000-memory.dmp

Filesize
10.8MB

Download
memory/3712-11-0x000001E135220000-0x000001E135230000-memory.dmp

Filesize
64KB

Download
memory/3712-12-0x000001E135220000-0x000001E135230000-memory.dmp

Filesize
64KB

Download
memory/3712-17-0x00007FF8BF320000-0x00007FF8BFDE1000-memory.dmp

Filesize
10.8MB

Download
memory/3712-13-0x000001E135460000-0x000001E135476000-memory.dmp

Filesize
88KB

Download