Analysis
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max time kernel
143s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-06-2024 13:50
Static task
static1
Behavioral task
behavioral1
Sample
c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe
Resource
win10v2004-20240508-en
General
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Target
c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe
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Size
1.8MB
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MD5
0489853851af72249820f235b2bcf25a
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SHA1
535a0c3f8d1e915fc8f181e8bc6b1213fc89149c
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SHA256
c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34
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SHA512
38852693724998ee671a0e7e983fd2e28b893705806137d84f996b01272e6398b2bcb3f92750ca02e266d08c27fede27adb8d989b72d6c1b0b007d967d60660f
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SSDEEP
49152:lOGriyItXN7y4tAfHn47iz9Pa4hzmh72y/V:lOGjffg69Pfzmh72
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__ c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.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__ explortu.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\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 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe -
Executes dropped EXE 3 IoCs
pid Process 4208 explortu.exe 2220 explortu.exe 1016 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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 4208 explortu.exe 2220 explortu.exe 1016 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.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 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 4208 explortu.exe 4208 explortu.exe 2220 explortu.exe 2220 explortu.exe 1016 explortu.exe 1016 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1820 wrote to memory of 4208 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 81 PID 1820 wrote to memory of 4208 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 81 PID 1820 wrote to memory of 4208 1820 c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.exe"C:\Users\Admin\AppData\Local\Temp\c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34.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 WriteProcessMemory
PID:1820 -
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:4208
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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:2220
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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:1016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD50489853851af72249820f235b2bcf25a
SHA1535a0c3f8d1e915fc8f181e8bc6b1213fc89149c
SHA256c5f0a4ae27782f18d689f631c0ab99cf8f6084024095ae23af9c1551c2b08d34
SHA51238852693724998ee671a0e7e983fd2e28b893705806137d84f996b01272e6398b2bcb3f92750ca02e266d08c27fede27adb8d989b72d6c1b0b007d967d60660f