Analysis
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max time kernel
54s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20220715-en -
resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 12:51
Behavioral task
behavioral1
Sample
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
Resource
win7-20220715-en
General
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Target
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
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Size
5.9MB
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MD5
1a3d56b85808cfd70ce4fc16f08e2985
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SHA1
ab0141d6dfc701e63cb4968fcd2ba4026385d064
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SHA256
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da
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SHA512
7ca95f92a280c2d10dab16bfd06dd27baaa91566cc0075ce5a6f15826e4d796e7bd4681c9f74485944d9f95bfec8252711731ce99501f974aaead9acaa489ae1
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe -
Loads dropped DLL 2 IoCs
Processes:
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exepid process 1992 d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe 1992 d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe -
Processes:
resource yara_rule behavioral1/memory/1992-55-0x0000000000400000-0x0000000000A44000-memory.dmp themida behavioral1/memory/1992-56-0x0000000000400000-0x0000000000A44000-memory.dmp themida behavioral1/memory/1992-57-0x0000000000400000-0x0000000000A44000-memory.dmp themida behavioral1/memory/1992-60-0x0000000000400000-0x0000000000A44000-memory.dmp themida behavioral1/memory/1992-61-0x0000000000400000-0x0000000000A44000-memory.dmp themida -
Processes:
d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
Processes
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C:\Users\Admin\AppData\Local\Temp\d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe"C:\Users\Admin\AppData\Local\Temp\d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nso35A3.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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\Users\Admin\AppData\Local\Temp\nso35A3.tmp\xml.dllFilesize
1.3MB
MD56ce87bf6e68d228175114738f4abbe82
SHA12030ff915c2a3a001ac781fdf688591e380a2385
SHA25666f6d0e87784559e3f6a4e720f42e474440169c4045ca8d48041d098feff24e5
SHA5122120aa7bf53315493356a4902d393a539f16f945dd880db7183626a34e55a65d9e69b8ace3d1efb8960d1d85f440980c9c9f1947064b4fb9fc52e8d05d6a0008
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memory/1992-54-0x0000000076261000-0x0000000076263000-memory.dmpFilesize
8KB
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memory/1992-55-0x0000000000400000-0x0000000000A44000-memory.dmpFilesize
6.3MB
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memory/1992-56-0x0000000000400000-0x0000000000A44000-memory.dmpFilesize
6.3MB
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memory/1992-57-0x0000000000400000-0x0000000000A44000-memory.dmpFilesize
6.3MB
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memory/1992-60-0x0000000000400000-0x0000000000A44000-memory.dmpFilesize
6.3MB
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memory/1992-61-0x0000000000400000-0x0000000000A44000-memory.dmpFilesize
6.3MB