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Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2025, 04:44
Behavioral task
behavioral1
Sample
idk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
idk.exe
Resource
win10v2004-20241007-en
General
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Target
idk.exe
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Size
839KB
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MD5
3ce1d3201922d8c937a33d67a6a28f7c
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SHA1
216b069f775ef6a6421862060d2bb8cce273ca78
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SHA256
f85d2d4bd5f31e9e128c6453f7f3ef5e374985471854d99358da4c9ce8cb2545
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SHA512
bcc5b02c768a5955016fa485ddd74a8cc2216ef26422e2bf2418f80947e9df7d5ffe4b9206b47f90e7975f9917892f859437946d691470cc31a79bd26d69bb1c
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SSDEEP
24576:IpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rv:IL4auS+UjfU2TmdIbt+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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation idk.exe -
Executes dropped EXE 1 IoCs
pid Process 2424 AudioDriver.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini idk.exe File opened for modification C:\Windows\assembly\Desktop.ini idk.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
flow ioc 8 5.tcp.eu.ngrok.io 17 5.tcp.eu.ngrok.io 46 5.tcp.eu.ngrok.io 48 5.tcp.eu.ngrok.io -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly idk.exe File created C:\Windows\assembly\Desktop.ini idk.exe File opened for modification C:\Windows\assembly\Desktop.ini idk.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 idk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AudioDriver.exe -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe 2424 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2424 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2424 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2424 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3788 wrote to memory of 2424 3788 idk.exe 83 PID 3788 wrote to memory of 2424 3788 idk.exe 83 PID 3788 wrote to memory of 2424 3788 idk.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\idk.exe"C:\Users\Admin\AppData\Local\Temp\idk.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:3788 -
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:2424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
839KB
MD53ce1d3201922d8c937a33d67a6a28f7c
SHA1216b069f775ef6a6421862060d2bb8cce273ca78
SHA256f85d2d4bd5f31e9e128c6453f7f3ef5e374985471854d99358da4c9ce8cb2545
SHA512bcc5b02c768a5955016fa485ddd74a8cc2216ef26422e2bf2418f80947e9df7d5ffe4b9206b47f90e7975f9917892f859437946d691470cc31a79bd26d69bb1c