Analysis
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max time kernel
144s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
03-07-2024 13:25
Static task
static1
Behavioral task
behavioral1
Sample
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe
Resource
win10v2004-20240611-en
General
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Target
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe
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Size
1.8MB
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MD5
702918dd545d7c4bb479134f3ae20ce8
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SHA1
45fb757feee6fba1422587e3dfd8d63b3a5ce295
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SHA256
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871
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SHA512
53672af10d9c6a4759abba2c44c870ac96f46fd7e5aaa715e05981c62e132d46529dd7901938a4f2e75e599d71956af85ce7aca467ae37d0036eeddbb1122531
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SSDEEP
49152:IlF19fNVXd5d2JhiRmOfxsVCjtEa8hM5x/:Iz19fN9LfxsVCSl+5x/
Malware Config
Extracted
amadey
4.30
4dd39d
http://77.91.77.82
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install_dir
ad40971b6b
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install_file
explorti.exe
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strings_key
a434973ad22def7137dbb5e059b7081e
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url_paths
/Hun4Ko/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
explorti.exe9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeexplorti.exeexplorti.exe9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exeexplorti.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation explorti.exe -
Executes dropped EXE 3 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exepid Process 1036 explorti.exe 5024 explorti.exe 1068 explorti.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.
Processes:
explorti.exeexplorti.exeexplorti.exe9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Wine 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exeexplorti.exeexplorti.exeexplorti.exepid Process 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 1036 explorti.exe 5024 explorti.exe 1068 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exedescription ioc Process File created C:\Windows\Tasks\explorti.job 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.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
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exeexplorti.exeexplorti.exeexplorti.exepid Process 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 1036 explorti.exe 1036 explorti.exe 5024 explorti.exe 5024 explorti.exe 1068 explorti.exe 1068 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exepid Process 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exedescription pid Process procid_target PID 3464 wrote to memory of 1036 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 93 PID 3464 wrote to memory of 1036 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 93 PID 3464 wrote to memory of 1036 3464 9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.exe"C:\Users\Admin\AppData\Local\Temp\9387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871.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:3464 -
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1036
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4268,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:81⤵PID:2960
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:5024
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5e123cb7c874a8ae1ddb9ae5897f601b3
SHA1a26de4d0abd9f21060d68835bfc82bac3d3b227f
SHA256dcb693362befc6b4dd580e1641812eb722b782ac21c9760ec3a27f5eb517e546
SHA5120382b585ed1ae486861125ffe60778e5a91985a5f8b3b481dcdd24d85695ec8c7804069890f90d92ae844913f6c2ee2b173ca6f40229aba6de47475d00fe4884
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Filesize
1.8MB
MD5702918dd545d7c4bb479134f3ae20ce8
SHA145fb757feee6fba1422587e3dfd8d63b3a5ce295
SHA2569387b3b0e401f46c7e6e6f13f953d09576ddc6ca7a1ed41765a25547e51ba871
SHA51253672af10d9c6a4759abba2c44c870ac96f46fd7e5aaa715e05981c62e132d46529dd7901938a4f2e75e599d71956af85ce7aca467ae37d0036eeddbb1122531