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Analysis
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max time kernel
719s -
max time network
894s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01/01/2025, 21:06
Behavioral task
behavioral1
Sample
AimAssist.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
AimAssist.exe
Resource
win10v2004-20241007-en
General
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Target
AimAssist.exe
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Size
839KB
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MD5
9232f68810b230913f7b46b2db02d8a1
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SHA1
afece387cdf0f80acf98f57589234b584a8e13c4
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SHA256
8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e
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SHA512
8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488
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SSDEEP
24576:SxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r2:GP4auS+UjfU2T2dIbt+r
Malware Config
Extracted
orcus
3buy-response.gl.at.ply.gg
20bafa3dc96e4ee8b82bbe11a3472987
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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
01/01/2025 13:05:49
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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 1476 AudioDriver.exe -
Loads dropped DLL 1 IoCs
pid Process 2100 AimAssist.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 AimAssist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1476 AudioDriver.exe 1476 AudioDriver.exe 1476 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1476 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1476 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1476 AudioDriver.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 1476 2100 AimAssist.exe 30 PID 2100 wrote to memory of 1476 2100 AimAssist.exe 30 PID 2100 wrote to memory of 1476 2100 AimAssist.exe 30 PID 2100 wrote to memory of 1476 2100 AimAssist.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\AimAssist.exe"C:\Users\Admin\AppData\Local\Temp\AimAssist.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
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:1476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
839KB
MD59232f68810b230913f7b46b2db02d8a1
SHA1afece387cdf0f80acf98f57589234b584a8e13c4
SHA2568e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e
SHA5128169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488