Analysis
-
max time kernel
137s -
max time network
145s -
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, 04:36
Static task
static1
Behavioral task
behavioral1
Sample
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
Resource
win7-20240903-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
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
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 3968 powershell.exe 2176 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-1-5-21-1170604239-850860757-3112005715-1000\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\SAAS Manager = "C:\\Program Files (x86)\\SAAS Manager\\saasmgr.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 4348 set thread context of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SAAS Manager\saasmgr.exe bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe File opened for modification C:\Program Files (x86)\SAAS Manager\saasmgr.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 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 schtasks.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 4628 schtasks.exe 1676 schtasks.exe 4504 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2176 powershell.exe 2176 powershell.exe 3968 powershell.exe 3968 powershell.exe 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2176 powershell.exe 3968 powershell.exe 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4348 wrote to memory of 2176 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4348 wrote to memory of 2176 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4348 wrote to memory of 2176 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 94 PID 4348 wrote to memory of 3968 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4348 wrote to memory of 3968 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4348 wrote to memory of 3968 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 96 PID 4348 wrote to memory of 4628 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 97 PID 4348 wrote to memory of 4628 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 97 PID 4348 wrote to memory of 4628 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 97 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 4348 wrote to memory of 2372 4348 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 100 PID 2372 wrote to memory of 1676 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 2372 wrote to memory of 1676 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 2372 wrote to memory of 1676 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 101 PID 2372 wrote to memory of 4504 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 103 PID 2372 wrote to memory of 4504 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 103 PID 2372 wrote to memory of 4504 2372 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 103
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:4348 -
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:2176
-
-
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:3968
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVWFaJcLOjFwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDAB0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4628
-
-
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:2372 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SAAS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDFE0.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1676
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SAAS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE2FE.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4504
-
-
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
MD5ea3e1a0d1217df71a4e3de178b57a3f1
SHA1c32f0becb9f8f4f3cbe97cb6f228ed7a94af5cce
SHA256ec70e5f697e5a76159b92661557b1d21a1792ed9eb70d1e4dfed03ef4698f5b1
SHA512fa78a222d84779371cfec1b4e64f07bd4f7f378bdcfd5a73c8d779c8e0ea55adde7da8faae331de1f7423869038a99f46f139ccfbb829318cf8f257401a390c1
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD59bcc10b2102b0a5082fa3a3e328012c7
SHA106fd1b3c274d9f693c70cbe1c37709660c5ef96d
SHA256666e3e0c948f4fd361978fcf683bcc4289c454fed00ad92e041e3e8fa113c373
SHA512447161f9fa6cb44257266c692bf69774d4f52894ea5b23f83b1769694395fe187ddd9627ca891a400fc2d77cbeb9abdfbf4c31c3d650536a0598da1ae5137c80
-
Filesize
1KB
MD54470d22aa72351f1f9cd955ef2212657
SHA185a717ff20895d58cffb775bae162d87fd8da5fa
SHA2563140ae583b3b3eefdaf66e7edb59109078449693c724b211f0445edb70316003
SHA51236202b63c6821e32634036ea98810f98762f122042a8fda60b75230530717fdb1fe163fabc4fe69cba5b1375dcaa1ae553267953faf787f18582cb6b3d736d89
-
Filesize
1KB
MD5b5ee6d4d0a6aab49e12d44d82afc5157
SHA19fbe67452ca81b59802441955020086c3d163b2c
SHA256f769b73883f96cefd35c438e8bdbe12c10a87ce11e09e4084474a85f6e4f8a10
SHA512c4071b68c40aedd04b48bcbf4c4256e8b746474c6d4cfe680a4c0bcd61c9c4daa45d5d1e2fc8df655feba77de485258d06a81ac1a9144ed37ab9c80fbce09754