Analysis
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max time kernel
109s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 01:52
Behavioral task
behavioral1
Sample
87262f73867c2aae6cad297fa858455a.exe
Resource
win7-20230220-en
windows7-x64
1 signatures
150 seconds
General
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Target
87262f73867c2aae6cad297fa858455a.exe
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Size
5.2MB
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MD5
87262f73867c2aae6cad297fa858455a
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SHA1
ca9648a43e2c36b8a660483e0fc10164a4108f98
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SHA256
577dbd64daab087699592a9a7b63a5547c7c4595cf8162a818ed40c60d6b3721
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SHA512
48d04479f7459dfa6fd6b2213e8fbaa7e7db6dbf6b9fd1fe76696068f6fae32aa2c59b7d8efc934b976790c77dba1ab040d02770c2bf218b804e0736557c1ae2
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SSDEEP
98304:vQN7vXi5fVFmqmecgwRZpux5fa00X05ncifxsOxald4EsqCYxoI:vQVy5vmqmlxNux1B/cRR/4v8X
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
87262f73867c2aae6cad297fa858455a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 87262f73867c2aae6cad297fa858455a.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
87262f73867c2aae6cad297fa858455a.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 87262f73867c2aae6cad297fa858455a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 87262f73867c2aae6cad297fa858455a.exe -
Processes:
resource yara_rule behavioral2/memory/2108-133-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-134-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-135-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-136-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-137-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-138-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-139-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida behavioral2/memory/2108-140-0x00007FF75E830000-0x00007FF75F566000-memory.dmp themida -
Processes:
87262f73867c2aae6cad297fa858455a.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 87262f73867c2aae6cad297fa858455a.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
87262f73867c2aae6cad297fa858455a.exepid process 2108 87262f73867c2aae6cad297fa858455a.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1340 2108 WerFault.exe 87262f73867c2aae6cad297fa858455a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87262f73867c2aae6cad297fa858455a.exe"C:\Users\Admin\AppData\Local\Temp\87262f73867c2aae6cad297fa858455a.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
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2108 -s 4602⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 360 -p 2108 -ip 21081⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2108-133-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-134-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-135-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-136-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-137-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-138-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-139-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB
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memory/2108-140-0x00007FF75E830000-0x00007FF75F566000-memory.dmpFilesize
13.2MB