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Analysis
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max time kernel
50s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/01/2023, 12:25
Behavioral task
behavioral1
Sample
044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe
Resource
win7-20220812-en
7 signatures
150 seconds
General
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Target
044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe
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Size
4.0MB
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MD5
3134fa9cea6fd7071133d85a5fb4f04e
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SHA1
bc8428fa442bc143aaa444e98dae698f440abc3e
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SHA256
044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9
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SHA512
e0d7e8f40bae193d484ef67342280c10c3223af3ebae7ae8285535435871e145e5a57c3e04944eb7d6df9688e7273e15066cb6748d26fd1015f4f820ae162be8
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SSDEEP
98304:706FB3Lep0AUPnz1GWObOOdbvUcPIPaatXQK2ApRE9Zea:7FL3Lk0AUPpGVbdbcyEtXWAzE9ka
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__ 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.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\SystemBiosVersion 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe -
resource yara_rule behavioral1/memory/2024-57-0x0000000000C00000-0x00000000017C2000-memory.dmp themida behavioral1/memory/2024-61-0x0000000000C00000-0x00000000017C2000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2024 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1960 2024 WerFault.exe 25 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2024 wrote to memory of 1960 2024 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe 26 PID 2024 wrote to memory of 1960 2024 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe 26 PID 2024 wrote to memory of 1960 2024 044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe"C:\Users\Admin\AppData\Local\Temp\044d2fde888aaa73c7a60076d4c93cb72d2c5f1ebfbdca29732ae85d0ba3fce9.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2024 -s 5842⤵
- Program crash
PID:1960
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