Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20241023-en -
resource tags
arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system -
submitted
12-01-2025 01:06
Behavioral task
behavioral1
Sample
idk.exe
Resource
win10ltsc2021-20241211-en
Behavioral task
behavioral2
Sample
idk.exe
Resource
win11-20241023-en
General
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Target
idk.exe
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Size
839KB
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MD5
bddc58491603cfa73dfba7979034f776
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SHA1
ca7a5dab243f239aa6f821c36502ba09c1a260f3
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SHA256
40c4a1db022d73b058eac101c95cb86a60bc7379e5d2f8371e0e4bdba71404a5
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SHA512
1eaebb8b342650acb9fb7e7a572bd99405213db703bb41d23188a68f4c743669c3cd0668cee10074c37c7b4b6a4a65b7089dddcb3890917c7d0e99ec39d029b2
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SSDEEP
24576:qpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rO:qL4auS+UjfU2TmdIbt+r
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4916 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 2 IoCs
flow ioc 1 4.tcp.eu.ngrok.io 12 4.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 AudioDriver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language idk.exe -
Suspicious behavior: EnumeratesProcesses 45 IoCs
pid Process 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe 4916 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4916 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4916 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4916 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2052 wrote to memory of 4916 2052 idk.exe 77 PID 2052 wrote to memory of 4916 2052 idk.exe 77 PID 2052 wrote to memory of 4916 2052 idk.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\idk.exe"C:\Users\Admin\AppData\Local\Temp\idk.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052 -
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:4916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
839KB
MD5bddc58491603cfa73dfba7979034f776
SHA1ca7a5dab243f239aa6f821c36502ba09c1a260f3
SHA25640c4a1db022d73b058eac101c95cb86a60bc7379e5d2f8371e0e4bdba71404a5
SHA5121eaebb8b342650acb9fb7e7a572bd99405213db703bb41d23188a68f4c743669c3cd0668cee10074c37c7b4b6a4a65b7089dddcb3890917c7d0e99ec39d029b2