Analysis
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max time kernel
293s -
max time network
301s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-05-2024 23:32
Static task
static1
Behavioral task
behavioral1
Sample
cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe
Resource
win7-20240221-en
General
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Target
cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe
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Size
1.9MB
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MD5
fb2d422cea318d31c18d4cb297a04715
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SHA1
a41a4000ad52ac8f29d7e600344b518f4ec1064d
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SHA256
cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c
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SHA512
3dcd588fa4a532ca7a7b9b113f3672c7dbb8aa67415a2d7dcfd6c6a3568657aadd460031337d242e6523b387c64ba46b18a348d6fb5a2913c9d53c947b7f90a2
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SSDEEP
24576:3eBm1mHpoplijL/xvvOqidj1zZWBR0lJuVIZu42B9P0lMLXmfn3pudOLdD:3eB8mJCK/xvWvR1EBGlXSB9PJXm+o
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 explorha.exe -
Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-330940541-141609230-1670313778-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe -
Loads dropped DLL 1 IoCs
pid Process 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 2520 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 2520 explorha.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1908 wrote to memory of 2520 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 28 PID 1908 wrote to memory of 2520 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 28 PID 1908 wrote to memory of 2520 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 28 PID 1908 wrote to memory of 2520 1908 cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe"C:\Users\Admin\AppData\Local\Temp\cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5fb2d422cea318d31c18d4cb297a04715
SHA1a41a4000ad52ac8f29d7e600344b518f4ec1064d
SHA256cf323c253e53c1dfb66cc88622a5f849d34b0a9f1b8a9684bf84ab2407427e3c
SHA5123dcd588fa4a532ca7a7b9b113f3672c7dbb8aa67415a2d7dcfd6c6a3568657aadd460031337d242e6523b387c64ba46b18a348d6fb5a2913c9d53c947b7f90a2