Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 01:16
Behavioral task
behavioral1
Sample
c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
Resource
win10v2004-20241007-en
General
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Target
c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
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Size
845KB
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MD5
56edb111575113d40af0f1c028dcb315
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SHA1
018a7abc977ba73e2f66f1e7bf041191089c100c
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SHA256
c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235
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SHA512
2c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406
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SSDEEP
24576:ysS04YNEMuExDiU6E5R9s8xY/2l/dguIbt+r/:yE4auS+UjfU2TguIbt+r
Malware Config
Signatures
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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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe -
Executes dropped EXE 1 IoCs
pid Process 2076 AudioDriver.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe File opened for modification C:\Windows\assembly\Desktop.ini c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe File opened for modification C:\Windows\assembly\Desktop.ini c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe File opened for modification C:\Windows\assembly c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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 c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe 2076 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2076 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2076 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2076 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3680 wrote to memory of 2076 3680 c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe 82 PID 3680 wrote to memory of 2076 3680 c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe 82 PID 3680 wrote to memory of 2076 3680 c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe"C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3680 -
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:2076
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
845KB
MD556edb111575113d40af0f1c028dcb315
SHA1018a7abc977ba73e2f66f1e7bf041191089c100c
SHA256c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235
SHA5122c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406