Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 17:01
Behavioral task
behavioral1
Sample
d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe
Resource
win7-20230831-en
General
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Target
d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe
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Size
5.7MB
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MD5
618a8671023ca11a57858b6b5f541b4d
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SHA1
a3f670f459282173a1a348fb0ca726f21f84e303
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SHA256
d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990
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SHA512
2d494b50bc89fd88b3d29f16aec1cbd3b9162f30cfd553febaec598ec148901f528c5ba729ec29bafd585c18102b63471128f5e3b380f9b17bd6f271ec7ff354
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SSDEEP
98304:1a+2vXTcQ5ZJyUdGq8aYHU2wHQFNeIxIz17c8hnU7D4O2D4DsFv9Q:M+2bdypZHMHQFNxxEzU7EO2DlFS
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
resource yara_rule behavioral2/memory/4608-0-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-2-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-3-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-4-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-23-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-53-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-54-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-55-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-56-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-57-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-58-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-59-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-60-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-61-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-62-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-63-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-64-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-65-0x0000000000400000-0x000000000108A000-memory.dmp themida behavioral2/memory/4608-66-0x0000000000400000-0x000000000108A000-memory.dmp themida -
resource yara_rule behavioral2/memory/4608-6-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-5-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-7-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-8-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-10-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-12-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-14-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-16-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-18-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-20-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-22-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-25-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-27-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-29-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-31-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-33-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-35-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-37-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-40-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-42-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-44-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-46-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-48-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-50-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-51-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4608-52-0x0000000010000000-0x000000001003E000-memory.dmp upx -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4608 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4608 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4608 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe 4608 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe 4608 d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe"C:\Users\Admin\AppData\Local\Temp\d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4608