Analysis
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max time kernel
143s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-01-2025 21:32
Behavioral task
behavioral1
Sample
idk.exe
Resource
win7-20240903-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
50164ef17304f1f7c3629eb91e032d00
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SHA1
461db872921ccbb108e0e48ce75c370f420a001c
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SHA256
de0853a9548c4ee17f3f0bab331c38aced7feff18968aa3beb08fa8d3f6eeda4
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SHA512
355c9337247bcd7831c6576a6725473f21360dcb779313f1082bd59bbc089e4db0f32b8c3fc91efb5f3d76780a48edb84ecc0ac08f3fc43df8983f3b593c2ed3
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SSDEEP
24576:SmIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+rX:xQ4auS+UjfU2TedIbt+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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation idk.exe -
Executes dropped EXE 1 IoCs
pid Process 1752 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 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini idk.exe File opened for modification C:\Windows\assembly idk.exe File created 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 45 IoCs
pid Process 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe 1752 AudioDriver.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1752 AudioDriver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1752 AudioDriver.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1752 AudioDriver.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 552 wrote to memory of 1752 552 idk.exe 83 PID 552 wrote to memory of 1752 552 idk.exe 83 PID 552 wrote to memory of 1752 552 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:552 -
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:1752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
839KB
MD550164ef17304f1f7c3629eb91e032d00
SHA1461db872921ccbb108e0e48ce75c370f420a001c
SHA256de0853a9548c4ee17f3f0bab331c38aced7feff18968aa3beb08fa8d3f6eeda4
SHA512355c9337247bcd7831c6576a6725473f21360dcb779313f1082bd59bbc089e4db0f32b8c3fc91efb5f3d76780a48edb84ecc0ac08f3fc43df8983f3b593c2ed3