Analysis
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max time kernel
141s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23-12-2024 00:54
Static task
static1
Behavioral task
behavioral1
Sample
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe
Resource
win7-20241010-en
General
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Target
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe
-
Size
558KB
-
MD5
0853af43062bc1ebc6e577dcc06d698c
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SHA1
0ae55f26e328d7ae27b334d9e232fba337a7e06a
-
SHA256
8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b
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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
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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
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
-
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
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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
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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
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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 2188 powershell.exe 2924 powershell.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\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.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 2380 set thread context of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\WPA Service\wpasv.exe 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe File opened for modification C:\Program Files (x86)\WPA Service\wpasv.exe 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1040 schtasks.exe 2808 schtasks.exe 1984 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2188 powershell.exe 2924 powershell.exe 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2188 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 31 PID 2380 wrote to memory of 2188 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 31 PID 2380 wrote to memory of 2188 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 31 PID 2380 wrote to memory of 2188 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 31 PID 2380 wrote to memory of 2924 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 33 PID 2380 wrote to memory of 2924 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 33 PID 2380 wrote to memory of 2924 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 33 PID 2380 wrote to memory of 2924 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 33 PID 2380 wrote to memory of 2808 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 35 PID 2380 wrote to memory of 2808 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 35 PID 2380 wrote to memory of 2808 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 35 PID 2380 wrote to memory of 2808 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 35 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2380 wrote to memory of 2700 2380 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 37 PID 2700 wrote to memory of 1984 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 38 PID 2700 wrote to memory of 1984 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 38 PID 2700 wrote to memory of 1984 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 38 PID 2700 wrote to memory of 1984 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 38 PID 2700 wrote to memory of 1040 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 40 PID 2700 wrote to memory of 1040 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 40 PID 2700 wrote to memory of 1040 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 40 PID 2700 wrote to memory of 1040 2700 8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe"C:\Users\Admin\AppData\Local\Temp\8c8ff970b9534520171f97dba6bf582e2b1a33110bdae24412d322295ba5a28b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380 -
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:2188
-
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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:2924
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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\tmp5754.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2808
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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:2700 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5E85.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1984
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F7F.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1040
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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
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Filesize
1KB
MD5d5e77bf7565fcc011afbbf4d6a18bc52
SHA1f816111c1ab7970d9c858527a28ac96da55253be
SHA256857f817b06ef805d91ac19643507f794bb6833f84c739bf7493a918786a708cb
SHA512bd12220f5cf0e10f2bc3d08ad8183f49d0e69cdbc0f044c3caec7aae747df366542e28639bde05e0d06fe2301fffdaeed9939d8c2c13b563e4bd33fac31e23ff
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Filesize
1KB
MD5c9601783911a342b4ac5a0206963e75e
SHA1c1727d06249987059b9f473494f35ee1a79a8e3c
SHA2562699ad4a71e0bf2b040a223f34f82c75d9a70f6ac293724c763ffa7042e74cc6
SHA512c6b00de6a1c4a736db20005d7d7bc9f4095a627a05dd980a432ee2adc46d469d376a6c35ea1ecfbe2f4b59a4d5eac0a3450716f0d63418bb1e0c9f6d4350ebd7
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Filesize
1KB
MD521de6c3a6440d917bdbb4b491191d9b2
SHA1c63c300affe7147910dc4544d2d5f3029bf321a6
SHA25623af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4
SHA512dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5b0c0c02bf7baca250f2faaa4e9130de9
SHA11a9f4b0e5169a818f18a4abcff930f167a6a8a79
SHA2560267d1191b565885249bce9ee399cf555612c223dceb122bb9ec0cbd44fdce27
SHA5129c5f0fce925a49acaaa74c27c72c678a4873da8095b02ee204bc5c1e29bfb1ece1c962dc8fd8c5481a9922eb848317ed6a77a0af2543895ca1ee1764f15414ca