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Analysis
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max time kernel
147s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27/01/2025, 01:13
Behavioral task
behavioral1
Sample
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
Resource
win10v2004-20241007-en
General
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Target
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
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Size
839KB
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MD5
f8fbd7b9f090423f8851529e647a64ef
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SHA1
177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b
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SHA256
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754
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SHA512
f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9
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SSDEEP
24576:wFS04YNEMuExDiU6E5R9s8xY/2l/drtnIbt+r5:w34auS+UjfU2TrdIbt+r
Malware Config
Extracted
orcus
192.168.2.7
131f2624515a483697ab2414836891bb
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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
1
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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
01/25/2025 18:29:37
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plugins
AgEAAA==
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reconnect_delay
10000
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registry_autostart_keyname
Audio HD Driver
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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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Orcus family
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Executes dropped EXE 1 IoCs
pid Process 1816 AudioDriver.exe -
Loads dropped DLL 1 IoCs
pid Process 2520 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe 1816 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1816 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1816 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1816 AudioDriver.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2520 wrote to memory of 1816 2520 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe 31 PID 2520 wrote to memory of 1816 2520 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe 31 PID 2520 wrote to memory of 1816 2520 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe 31 PID 2520 wrote to memory of 1816 2520 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe"C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
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
PID:1816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
839KB
MD5f8fbd7b9f090423f8851529e647a64ef
SHA1177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b
SHA2560321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754
SHA512f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9