Analysis
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max time kernel
144s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
24-08-2024 17:26
Behavioral task
behavioral1
Sample
4.5.3.exe
Resource
win7-20240704-en
General
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Target
4.5.3.exe
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Size
840KB
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MD5
2de8bf57c56a51f996da5623b09f2274
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SHA1
e41552b27b43e9396ea5536264a64f91986a86c1
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SHA256
efc4b0b5be3a3c10ed7fecff17f40139013d7c015e51f46f577ef5406ed7333d
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SHA512
95ed140a45565a0d60700bb010ef3da69d1b91c20a369b682f3e7cca0e2f210213d19b52753dd7ba4bbf06b6e2ff75477cdf53e944f0aa2e9648475b8d782952
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SSDEEP
24576:AyPS04YNEMuExDiU6E5R9s8xY/2l/dL5Ibt+rt:Ayl4auS+UjfU2TFIbt+r
Malware Config
Extracted
orcus
192.168.10.8
91.92.247.123
tech11.ddns.net
tech22.ddns.net
ec3750d27df2422f9771480c02d90266
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administration_rights_required
false
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anti_debugger
false
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anti_tcp_analyzer
false
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antivm
false
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autostart_method
2
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change_creation_date
false
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force_installer_administrator_privileges
false
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hide_file
false
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install
false
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installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
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installservice
false
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keylogger_enabled
false
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newcreationdate
04/04/2023 06:41:34
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plugins
AgEAAA==
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reconnect_delay
10000
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registry_hidden_autostart
false
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set_admin_flag
false
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tasksch_name
Audio HD Driver
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tasksch_request_highest_privileges
false
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try_other_autostart_onfail
false
Signatures
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Executes dropped EXE 1 IoCs
Processes:
AudioDriver.exepid Process 2812 AudioDriver.exe -
Loads dropped DLL 1 IoCs
Processes:
4.5.3.exepid Process 2240 4.5.3.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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
4.5.3.exeAudioDriver.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4.5.3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
Processes:
AudioDriver.exepid Process 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe 2812 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
AudioDriver.exedescription pid Process Token: SeDebugPrivilege 2812 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AudioDriver.exepid Process 2812 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
AudioDriver.exepid Process 2812 AudioDriver.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
AudioDriver.exepid Process 2812 AudioDriver.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
4.5.3.exedescription pid Process procid_target PID 2240 wrote to memory of 2812 2240 4.5.3.exe 29 PID 2240 wrote to memory of 2812 2240 4.5.3.exe 29 PID 2240 wrote to memory of 2812 2240 4.5.3.exe 29 PID 2240 wrote to memory of 2812 2240 4.5.3.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\4.5.3.exe"C:\Users\Admin\AppData\Local\Temp\4.5.3.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
840KB
MD52de8bf57c56a51f996da5623b09f2274
SHA1e41552b27b43e9396ea5536264a64f91986a86c1
SHA256efc4b0b5be3a3c10ed7fecff17f40139013d7c015e51f46f577ef5406ed7333d
SHA51295ed140a45565a0d60700bb010ef3da69d1b91c20a369b682f3e7cca0e2f210213d19b52753dd7ba4bbf06b6e2ff75477cdf53e944f0aa2e9648475b8d782952