Analysis
- max time kernel
2s - max time network
49s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
08/01/2024, 10:18
General
- Target 3b21f73a9c40384708e262cbe2dc5497.exe
- Size 6.1MB
- Sample240108-mbyeqafgej
- SHA256 decfaad9816261d3eba76b67c8965ddce1fc2192e039b62e43b297b25650b4cc
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Themida packer 20 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3b21f73a9c40384708e262cbe2dc5497.exe"C:\Users\Admin\AppData\Local\Temp\3b21f73a9c40384708e262cbe2dc5497.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
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s3k8.0.bat" "2⤵
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C:\ProgramData\AdobeExplorer\AdobeUpdateres.exe"C:\ProgramData\AdobeExplorer\AdobeUpdateres.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 6964⤵
- Program crash
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C:\Windows\SysWOW64\timeout.exetimeout 31⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2896 -ip 28961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AdobeUpdateres.exe
AdobeUpdateres.exe
s3k8.0.bat
memory/2896-34-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-35-0x0000000000C70000-0x0000000000C71000-memory.dmp
memory/2896-49-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-48-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-47-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-46-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-45-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-44-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-43-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-32-0x0000000000C30000-0x0000000000C31000-memory.dmp
memory/2896-33-0x0000000000C60000-0x0000000000C61000-memory.dmp
memory/2896-36-0x0000000000C80000-0x0000000000C81000-memory.dmp
memory/2896-37-0x0000000000C90000-0x0000000000C91000-memory.dmp
memory/2896-30-0x0000000000D10000-0x0000000001CDB000-memory.dmp
memory/2896-31-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/4616-16-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-18-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-6-0x0000000003520000-0x0000000003521000-memory.dmp
memory/4616-7-0x0000000003530000-0x0000000003531000-memory.dmp
memory/4616-25-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-19-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-0-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-2-0x00000000034D0000-0x00000000034D1000-memory.dmp
memory/4616-17-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-5-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-15-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-14-0x00000000003A0000-0x000000000136B000-memory.dmp
memory/4616-13-0x0000000077424000-0x0000000077426000-memory.dmp
memory/4616-1-0x00000000034B0000-0x00000000034B1000-memory.dmp
memory/4616-3-0x0000000003500000-0x0000000003501000-memory.dmp
memory/4616-4-0x0000000003510000-0x0000000003511000-memory.dmp