Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2024 16:29
Static task
static1
Behavioral task
behavioral1
Sample
c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe
Resource
win10v2004-20240508-en
General
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Target
c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe
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Size
1.9MB
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MD5
62071def9c66134b49b6f603d74bed23
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SHA1
8d75934ba64ae1885a249f38054e6a1073dc2a59
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SHA256
c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1
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SHA512
6d607f896d8d5efb7e33c9958b545b052d830111383c92e1cbdbcd673aa62863fee702f1b648e178841cb0bc2ce92dd689e719d9899cfbe4014f3e4d5b3ed52c
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SSDEEP
49152:X0BAH1eZ4gk+pfKyCYYm1iycYakjytwP8KByvQhC6qLwia+f2:X0DWmpfdYmg8akjgcy4hORf
Malware Config
Extracted
amadey
4.21
0e6740
http://147.45.47.155
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install_dir
9217037dc9
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install_file
explortu.exe
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strings_key
8e894a8a4a3d0da8924003a561cfb244
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url_paths
/ku4Nor9/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe -
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe -
Executes dropped EXE 3 IoCs
pid Process 3976 explortu.exe 2328 explortu.exe 3416 explortu.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 3976 explortu.exe 2328 explortu.exe 3416 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 3976 explortu.exe 3976 explortu.exe 2328 explortu.exe 2328 explortu.exe 3416 explortu.exe 3416 explortu.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2180 wrote to memory of 3976 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 81 PID 2180 wrote to memory of 3976 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 81 PID 2180 wrote to memory of 3976 2180 c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe"C:\Users\Admin\AppData\Local\Temp\c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3976
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C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2328
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C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3416
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD562071def9c66134b49b6f603d74bed23
SHA18d75934ba64ae1885a249f38054e6a1073dc2a59
SHA256c85a331c6c2c8ce617b2c80c45f3fa9c22dd2bbe461a2f5b7ab042ec394f4bd1
SHA5126d607f896d8d5efb7e33c9958b545b052d830111383c92e1cbdbcd673aa62863fee702f1b648e178841cb0bc2ce92dd689e719d9899cfbe4014f3e4d5b3ed52c