Resubmissions
12-05-2022 21:09
220512-zzeczaabg4 910-05-2022 12:16
220510-pfl9csbefm 1009-05-2022 23:26
220509-3e4nxaedh7 10Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
10-05-2022 12:16
Static task
static1
Behavioral task
behavioral1
Sample
oblot.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
oblot.dll
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
oblot.dll
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Size
1.3MB
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MD5
38ea4397f1c9dfe79e9accaebe7487ec
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SHA1
24614b49e47bbdc30263cc86cea8aceb2781f1ed
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SHA256
281a1cfaebf968012e9596721d14b1bd6429744617e73f96558cb68bcc0db8f8
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SHA512
3b8d8deb404a52cb43306c8b3275f61efd8092202cf5ac5d86c342664b1673080abb3689f77b5bcc94b88ca10f238eb2dba67161619588e443ca6e04e261399b
Score
9/10
Malware Config
Signatures
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Enumerates VirtualBox registry keys 2 TTPs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe -
Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe 3136 rundll32.exe