Analysis
-
max time kernel
139s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-12-2024 00:44
Static task
static1
Behavioral task
behavioral1
Sample
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe
Resource
win7-20240903-en
General
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Target
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe
-
Size
558KB
-
MD5
0853af43062bc1ebc6e577dcc06d698c
-
SHA1
0ae55f26e328d7ae27b334d9e232fba337a7e06a
-
SHA256
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b
-
SHA512
f8f234f2fb189e7fe5dbebc08b23c1476d261a3c998459f436a4e69712a0c87b0bc442275cdd8359fec27c56e358336c0ef51bc1c6049eb64d11dbcf7941b90b
-
SSDEEP
12288:RK777777777777N7vPLjIb2b6Gb9k/Yurwua412+J+Oz11Q6Gdu:RK777777777777lvzcb06QAY5uBL1Qc
Malware Config
Extracted
nanocore
1.2.2.0
23.105.131.228:1604
2fc0dda4-46bf-46a1-9071-1400f4c43df4
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-09-21T09:35:25.099061636Z
-
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
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1604
-
default_group
CEOs
-
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
2fc0dda4-46bf-46a1-9071-1400f4c43df4
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
23.105.131.228
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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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 5008 powershell.exe 3308 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2772 set thread context of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DHCP Host\dhcphost.exe 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe File opened for modification C:\Program Files (x86)\DHCP Host\dhcphost.exe 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.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 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 4728 schtasks.exe 5084 schtasks.exe 1092 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 3308 powershell.exe 5008 powershell.exe 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 5008 powershell.exe 3308 powershell.exe 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3308 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 99 PID 2772 wrote to memory of 3308 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 99 PID 2772 wrote to memory of 3308 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 99 PID 2772 wrote to memory of 5008 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 101 PID 2772 wrote to memory of 5008 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 101 PID 2772 wrote to memory of 5008 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 101 PID 2772 wrote to memory of 4728 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 103 PID 2772 wrote to memory of 4728 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 103 PID 2772 wrote to memory of 4728 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 103 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2772 wrote to memory of 2012 2772 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 105 PID 2012 wrote to memory of 5084 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 106 PID 2012 wrote to memory of 5084 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 106 PID 2012 wrote to memory of 5084 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 106 PID 2012 wrote to memory of 1092 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 108 PID 2012 wrote to memory of 1092 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 108 PID 2012 wrote to memory of 1092 2012 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe"C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.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:2772 -
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\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\umSJYhnmkJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\umSJYhnmkJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19EC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4728
-
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C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe"C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.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:2012 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1F99.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5084
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp214F.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1092
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-
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
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Filesize
18KB
MD577520e4a1dd4168554137c5b382db6c5
SHA160396a04bdbd60d8bc1a792c65c407b8d1bc085e
SHA256626af490be1e3c5287b8cd20412264c2a0d8de818d62c1497f16d6acd71cce52
SHA512027b755f9f9f1b80af84611d17eb23ff3c7dd75691468a75b1f937af8dbe1787f349c1d9084fbc13335be2fe6bd303cf4d2443bc3aafbfda8a9fff37a30cfa8f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5bfcc6920f7638cb20a65f33557639840
SHA13f8b9a50d1c104b9da8b3d63ec278e24b0b4ec9a
SHA256407109a75cf406505614909e779f2c1a9559b5fc651286cde4b398c90660f38a
SHA512bb4b481d42cea459abd89c638f690a45c898d3b39c8ecc020d665d4b52af4be04919ed8c437b0bf83536619e6cb78b9ef863e8252786baec926586366d75f8ba
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Filesize
1KB
MD5c9601783911a342b4ac5a0206963e75e
SHA1c1727d06249987059b9f473494f35ee1a79a8e3c
SHA2562699ad4a71e0bf2b040a223f34f82c75d9a70f6ac293724c763ffa7042e74cc6
SHA512c6b00de6a1c4a736db20005d7d7bc9f4095a627a05dd980a432ee2adc46d469d376a6c35ea1ecfbe2f4b59a4d5eac0a3450716f0d63418bb1e0c9f6d4350ebd7
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Filesize
1KB
MD50479d5f304ef2d7e3c15fb24a99f88c1
SHA18edbb1450a656fac5f5e96779ffe440ee8c1aec9
SHA256112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc
SHA512537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15