Analysis
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max time kernel
10s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
20-03-2023 19:01
Behavioral task
behavioral1
Sample
modest-menu.exe
Resource
win7-20230220-en
windows7-x64
6 signatures
150 seconds
General
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Target
modest-menu.exe
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Size
15.3MB
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MD5
af6b000cca334405709a7a45f07b1788
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SHA1
57c2502d8ca01a6da5b7ab4e61f857e9e0fd40f8
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SHA256
0a03f7b518d5bc76cf58e1bfaad2b6840262b494553626c3727acbb8bd70cb91
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SHA512
5dcfefd3dd7111fad2b96cad039a0aa3ea388d1666b20a2ada004c05658171b52b26d699b77564031960505c02cdaf440c66c2694d33ead970fe6fcd8b299b5e
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SSDEEP
393216:9FESY8FS6GWgq2pyqNqfMgpcbVTv1OGOSHC84uza:DESYUS6GPqqNqUvToGOSHC8w
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
modest-menu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ modest-menu.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
modest-menu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion modest-menu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion modest-menu.exe -
Processes:
resource yara_rule behavioral1/memory/904-54-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-55-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-56-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-57-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-58-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-59-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-60-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida behavioral1/memory/904-61-0x000000013F4A0000-0x0000000141A9D000-memory.dmp themida -
Processes:
modest-menu.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA modest-menu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
modest-menu.exepid process 904 modest-menu.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
modest-menu.exepid process 904 modest-menu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\modest-menu.exe"C:\Users\Admin\AppData\Local\Temp\modest-menu.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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/904-54-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-55-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-56-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-57-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-58-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-59-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-60-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB
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memory/904-61-0x000000013F4A0000-0x0000000141A9D000-memory.dmpFilesize
38.0MB