Analysis
-
max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2025, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
Resource
win10v2004-20250217-en
General
-
Target
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
-
Size
685KB
-
MD5
09bca025504d51921fea0c27fed0f570
-
SHA1
d07867cf868e70188478b98c3ee2d176f63a8153
-
SHA256
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598
-
SHA512
8f1acb9ef6a1a60335949f1deab733ca43baaa53c73370fbdf4280deedd16eaf9a7411e09a152c0af59c6312a7a93c71b20ea30a3b03cf28212091783f5e533a
-
SSDEEP
12288:o383le9ciUcsw99WWoQCIgeHPbH/jTlWv+AURMbHR9VlQPrVYV:a3Wcp9dtCI7HPL3EGfMhlCK
Malware Config
Extracted
nanocore
1.2.2.0
elroithegodofnsppd.duckdns.org:43366
elroithegodofnsppd.ddnsfree.com:43366
4991469e-2d84-4048-8aed-20a53304961e
-
activate_away_mode
false
-
backup_connection_host
elroithegodofnsppd.ddnsfree.com
- backup_dns_server
-
buffer_size
65538
-
build_time
2024-12-06T15:16:37.862063536Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
43366
-
default_group
EROI MY GOD
-
enable_debug_mode
true
-
gc_threshold
1.0485772e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485772e+07
-
mutex
4991469e-2d84-4048-8aed-20a53304961e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
elroithegodofnsppd.duckdns.org
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8009
Signatures
-
Nanocore family
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2764 powershell.exe 3544 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Monitor = "C:\\Program Files (x86)\\UDP Monitor\\udpmon.exe" bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4916 set thread context of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\UDP Monitor\udpmon.exe bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe File opened for modification C:\Program Files (x86)\UDP Monitor\udpmon.exe bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 7 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4484 schtasks.exe 3764 schtasks.exe 2932 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2764 powershell.exe 2764 powershell.exe 3544 powershell.exe 3544 powershell.exe 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2764 powershell.exe 3544 powershell.exe 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4916 wrote to memory of 2764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4916 wrote to memory of 2764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4916 wrote to memory of 2764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4916 wrote to memory of 3544 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4916 wrote to memory of 3544 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4916 wrote to memory of 3544 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4916 wrote to memory of 3764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 98 PID 4916 wrote to memory of 3764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 98 PID 4916 wrote to memory of 3764 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 98 PID 4916 wrote to memory of 4852 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4916 wrote to memory of 4852 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4916 wrote to memory of 4852 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 4916 wrote to memory of 2272 4916 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 2272 wrote to memory of 2932 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 102 PID 2272 wrote to memory of 2932 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 102 PID 2272 wrote to memory of 2932 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 102 PID 2272 wrote to memory of 4484 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 104 PID 2272 wrote to memory of 4484 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 104 PID 2272 wrote to memory of 4484 2272 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916 -
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\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eVWFaJcLOjFwb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3544
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVWFaJcLOjFwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3764
-
-
C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"2⤵PID:4852
-
-
C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF9D1.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2932
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFD6C.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4484
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
18KB
MD5c245842bf07d3e2d1ac36d96cbfbc58f
SHA137b9e339d359304e3cc8314f77da2c4bdc9a85ea
SHA2563951314caffcff1aca6f6a90d8e1d90e842fd93df58d576b899fe9f8e3a5aa3c
SHA512d8678abea603635edcea18ab0e85afd500a148b8954808400bd37636b3c98bbace07fd8be2945917426680191b011a03ad091f1bfabb9988ca8f0df3edcc4387
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5d033f0e517819b05a548ea7a275b4837
SHA1e787aba4902f9a729487adcf06cedd7aff0f63b4
SHA2565877d8dd56ec4d7a4db65e66d352da1f2310109a1a9bc8af3cdd265c284dc927
SHA512f6e8140adc32d9c3ab8399fd09fe6abc603e95fa446e277a29b9db7f025c9bc2d9e2a4bc7b10bbc62b5cba22f9a4cbe0fcb9f93409ebb038bef7901de2f5b549
-
Filesize
1KB
MD54470d22aa72351f1f9cd955ef2212657
SHA185a717ff20895d58cffb775bae162d87fd8da5fa
SHA2563140ae583b3b3eefdaf66e7edb59109078449693c724b211f0445edb70316003
SHA51236202b63c6821e32634036ea98810f98762f122042a8fda60b75230530717fdb1fe163fabc4fe69cba5b1375dcaa1ae553267953faf787f18582cb6b3d736d89
-
Filesize
1KB
MD5179f6a368194b3d8490223f22126274b
SHA1cc2997c7fde3cfe0dcf267bf3b6338a7e2ecf2d0
SHA256cdfb59fb9dabcedf57f84d9b3ea596f6ce26f8c559b503b6980a42738cf2f4d8
SHA5128b1c1b2a8db227db2e741171c29e4bfcaad2919665cde77eb5b4058b45fe7c78b46e2ef1bc5b896aa0e172219c4a43b647d68b62db39c8f51ac0ed159e4f042b