Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system - submitted
03/12/2025, 01:26
Static task
static1
Behavioral task
behavioral1
Sample
_c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe
Resource
win10v2004-20250619-en
General
- Target _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe
- Size 795KB
- Sample251203-btqxta1jcs
- SHA256 c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3
- MD5 e5e14f102cb4dd3286abec8355d14dfe
- SHA1 36be4acf4ebc50e69e40fc7fac498e5fb5c64149
- SHA512 ec575063ba9eac0f32c4d77ef0a39c1c6a816ea5998d34c817b9906b55fc15c5d19841bdf6ad21b4c7b4ef7c37eda83767c60110cdbebf3f18dc6e3b3a05e16b
- SSDEEP 12288:Cf2as2HO0qn8QrPHHbTmaUwQJe7bfSRJXbf:42RuDQrPbTmavT7mDXT
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
192.227.217.229:7229
-
fexgmail.zapto.org:7229
-
86c0a97b-ad38-42e3-8308-eb6d7961b2a2
-
activate_away_mode
true
-
backup_connection_host
fexgmail.zapto.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2025-09-12T00:59:11.355017936Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
7229
-
default_group
VGC
-
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
86c0a97b-ad38-42e3-8308-eb6d7961b2a2
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
192.227.217.229
-
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 family
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4828 powershell.exe 3972 powershell.exe 2392 powershell.exe 1388 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 3312 TkiEqnEQXdgAj.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3720 set thread context of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3312 set thread context of 3128 3312 TkiEqnEQXdgAj.exe 96 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TkiEqnEQXdgAj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3332 schtasks.exe 2924 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 1388 powershell.exe 4828 powershell.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 4828 powershell.exe 1388 powershell.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 3312 TkiEqnEQXdgAj.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 3312 TkiEqnEQXdgAj.exe 3312 TkiEqnEQXdgAj.exe 3312 TkiEqnEQXdgAj.exe 3312 TkiEqnEQXdgAj.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 5060 MSBuild.exe 3312 TkiEqnEQXdgAj.exe 3312 TkiEqnEQXdgAj.exe 3312 TkiEqnEQXdgAj.exe 5060 MSBuild.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5060 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 5060 MSBuild.exe Token: SeDebugPrivilege 3312 TkiEqnEQXdgAj.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3720 wrote to memory of 1388 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 78 PID 3720 wrote to memory of 4828 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 80 PID 3720 wrote to memory of 3332 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 81 PID 3720 wrote to memory of 2144 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 84 PID 3720 wrote to memory of 1704 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 85 PID 3720 wrote to memory of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3720 wrote to memory of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3720 wrote to memory of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3720 wrote to memory of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3720 wrote to memory of 5060 3720 _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe 86 PID 3312 wrote to memory of 3972 3312 TkiEqnEQXdgAj.exe 89 PID 3312 wrote to memory of 2392 3312 TkiEqnEQXdgAj.exe 91 PID 3312 wrote to memory of 2924 3312 TkiEqnEQXdgAj.exe 93 PID 3312 wrote to memory of 4316 3312 TkiEqnEQXdgAj.exe 95 PID 3312 wrote to memory of 3128 3312 TkiEqnEQXdgAj.exe 96 PID 3312 wrote to memory of 3128 3312 TkiEqnEQXdgAj.exe 96 PID 3312 wrote to memory of 3128 3312 TkiEqnEQXdgAj.exe 96 PID 3312 wrote to memory of 3128 3312 TkiEqnEQXdgAj.exe 96 PID 3312 wrote to memory of 3128 3312 TkiEqnEQXdgAj.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\_c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe"C:\Users\Admin\AppData\Local\Temp\_c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\_c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4828
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkiEqnEQXdgAj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp69A2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3332
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:2144
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:1704
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:5060
-
-
C:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exeC:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3972
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2392
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkiEqnEQXdgAj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28EB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2924
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:4316
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3128
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
- MD5 ac4917a885cf6050b1a483e4bc4d2ea5
- SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
- SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 cac8b59dc6eefc2ae1fe9f37423064401e04ad390a8e0c3da65966429bf5d6ca
- MD5 f7e56d776355138ab3a65fb6f8820b30
- SHA1 c11049d11ac993d1a8627854b3963599d0d3ac23
- SHA512 f9717c8241b4e4f792d3d8ee39bb6cc50df30219b60e1d404024eb797835d85a66be19967ddb156c993ca01273d257fac2a7621142cf751a14d0a242887130da
- SSDEEP 384:sTHhRSS1Utc1Cn6XFRHEME6HZWMNHjs2xtgF5NTq2L9M9EgX0iF1X:eSSCu1CngRPEKNHj7xtgFTTqeM9EgX0o
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 4b08a37b4df5510a2d58bcd7e273c7efd215d1314677c2a79b775bcec5b80ae9
- MD5 99c37c8523b2326edc448f85093f9a1d
- SHA1 9df514be0a292c0917d007f56325d88eea2108e7
- SHA512 3c67f4c5998f796bacc228ef667d800f18f9a81fd8df7ee8839731ff398fca0c0eccfeca700681608d28b17297640d9bed6d86e7f8b495e7af01fab415389abd
- SSDEEP 384:ETHhY1SGAjxJuqZFRHEMEEcznNjjsaa8b9iqZnSoREN+5nYEppDU1C:bSjtZRPEfxjj6GZnLEN+muUM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_whebzlmw.jjt.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp69A2.tmp
- Size 1KB
- SHA256 de1e1abcf289cab59c4e37d699f6c95b8bc5c6ae59ca67ab085bbbb49f60162f
- MD5 c39db906c8dc40e0002f96929905b68b
- SHA1 44684613af60acd5f745088a4eab4b69573d58c0
- SHA512 267c123883c481f10ec2f804bf708213fc58aa39b24695b2486634c1c39c10390648e0726731a75276112c77b20d0f31c98d4d64ff15fd8825a2552bb4c1f41c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\TkiEqnEQXdgAj.exe
- Size 795KB
- SHA256 c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3
- MD5 e5e14f102cb4dd3286abec8355d14dfe
- SHA1 36be4acf4ebc50e69e40fc7fac498e5fb5c64149
- SHA512 ec575063ba9eac0f32c4d77ef0a39c1c6a816ea5998d34c817b9906b55fc15c5d19841bdf6ad21b4c7b4ef7c37eda83767c60110cdbebf3f18dc6e3b3a05e16b
- SSDEEP 12288:Cf2as2HO0qn8QrPHHbTmaUwQJe7bfSRJXbf:42RuDQrPbTmavT7mDXT
- MD5 SHA1 SHA512 SSDEEP