Analysis
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max time kernel
69s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 19:24
Static task
static1
Behavioral task
behavioral1
Sample
dfd2409f2b0f403e82252b48a84ff4d7bc3ebc1392226a9a067adc4791a26ee7.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
dfd2409f2b0f403e82252b48a84ff4d7bc3ebc1392226a9a067adc4791a26ee7.dll
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Size
2.4MB
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MD5
a7cb42450bf26cecfd2a460d8eb6b25b
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SHA1
5ea4856e2fa4654b053b7b6262857949b3309d49
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SHA256
dfd2409f2b0f403e82252b48a84ff4d7bc3ebc1392226a9a067adc4791a26ee7
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SHA512
cf8032b39907e002854edb82ea2085f899d1564a31f4391b05e03f641dad9ff96a7160a498f0bfe2b5e5dd91c4dbd1c1d4a7559dd98d9282eded68890ae3cea8
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 2156 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3220 wrote to memory of 2156 3220 rundll32.exe rundll32.exe PID 3220 wrote to memory of 2156 3220 rundll32.exe rundll32.exe PID 3220 wrote to memory of 2156 3220 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dfd2409f2b0f403e82252b48a84ff4d7bc3ebc1392226a9a067adc4791a26ee7.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dfd2409f2b0f403e82252b48a84ff4d7bc3ebc1392226a9a067adc4791a26ee7.dll,#12⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger