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Analysis
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max time kernel
144s -
max time network
56s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24/06/2024, 21:26
Static task
static1
Behavioral task
behavioral1
Sample
8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe
Resource
win10v2004-20240508-en
General
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Target
8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe
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Size
1.8MB
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MD5
12ab9284b7bc5f1a10fdab18ec3387c6
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SHA1
e3dcf2c85f3ab888fcc0e0555fc0438e85411d86
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SHA256
8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448
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SHA512
c997de1c1e4926fbef32a40d007696df714e56f987cb57a4fbf20b8f1a749bc83e37927174f778672c82b363980c5512a546990fb3c0172305c15a9c461272ac
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SSDEEP
24576:6bR9HbDng67w6kUrAW3ShXteA9O6dAnbdMEobTVfy7RFgCmhN4nYdjzfFLCE8X/X:6bPHbDgUo1UyfA8BfogzxdjzUX/cbO
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__ 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.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 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe -
Executes dropped EXE 3 IoCs
pid Process 1860 explortu.exe 3536 explortu.exe 3732 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-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 1860 explortu.exe 3536 explortu.exe 3732 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.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 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 1860 explortu.exe 1860 explortu.exe 3536 explortu.exe 3536 explortu.exe 3732 explortu.exe 3732 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1732 wrote to memory of 1860 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 81 PID 1732 wrote to memory of 1860 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 81 PID 1732 wrote to memory of 1860 1732 8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.exe"C:\Users\Admin\AppData\Local\Temp\8dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448.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:1732 -
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:1860
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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:3536
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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:3732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD512ab9284b7bc5f1a10fdab18ec3387c6
SHA1e3dcf2c85f3ab888fcc0e0555fc0438e85411d86
SHA2568dec56e88b1659ef8629306ac9c12545828ba7077f4b9d60b44adf6e89b82448
SHA512c997de1c1e4926fbef32a40d007696df714e56f987cb57a4fbf20b8f1a749bc83e37927174f778672c82b363980c5512a546990fb3c0172305c15a9c461272ac