Analysis
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max time kernel
59s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
23-06-2022 16:02
Static task
static1
Behavioral task
behavioral1
Sample
GVM78OzM1W-vszr59Lp9izoRBGubDojTZxoqJlOuYZw.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
GVM78OzM1W-vszr59Lp9izoRBGubDojTZxoqJlOuYZw.dll
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Size
5.2MB
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MD5
9a9e31dcf05385a8d07124321cf2ae36
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SHA1
805bd322e28fe6ebb3b6d5edece0122b9cc585f1
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SHA256
19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c
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SHA512
7ed845cc9465eacf6a0526db6a4a5129925e546206d87b8b51589679069a01db1190446a5610c7709a3a7748cfbf2a1a83e7f0cd2cccf8c80f2e35edeef8f8fb
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe -
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:
resource yara_rule behavioral2/memory/628-132-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-133-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-134-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-135-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-136-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-137-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-138-0x0000000002C90000-0x0000000003A97000-memory.dmp themida behavioral2/memory/628-139-0x0000000002C90000-0x0000000003A97000-memory.dmp themida -
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 628 rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1660 628 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3416 wrote to memory of 628 3416 rundll32.exe rundll32.exe PID 3416 wrote to memory of 628 3416 rundll32.exe rundll32.exe PID 3416 wrote to memory of 628 3416 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GVM78OzM1W-vszr59Lp9izoRBGubDojTZxoqJlOuYZw.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GVM78OzM1W-vszr59Lp9izoRBGubDojTZxoqJlOuYZw.dll,#12⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 7723⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 628 -ip 6281⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/628-130-0x0000000000000000-mapping.dmp
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memory/628-131-0x00000000775D0000-0x0000000077773000-memory.dmpFilesize
1.6MB
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memory/628-132-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-133-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-134-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-135-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-136-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-137-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-138-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-139-0x0000000002C90000-0x0000000003A97000-memory.dmpFilesize
14.0MB
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memory/628-140-0x00000000775D0000-0x0000000077773000-memory.dmpFilesize
1.6MB