Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 19:40
Behavioral task
behavioral1
Sample
modest-menu.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
150 seconds
General
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Target
modest-menu.exe
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Size
14.0MB
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MD5
ac062fc9712de55c8c888d6d7fe40c4b
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SHA1
2be787ad29f7b783b24ec925153967f4206adacd
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SHA256
e388f58cb819d7d603ab71b8909a439ee9e4ac1630c7c64386112a75f2e60966
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SHA512
1ad9ecd99df89806fb1b3d7e02343f5297e0379eeef0235bbeb98288788bab9250e20e3c4d3b0a6cbab7a726bfe7dcb1dbd76419d06d7a35d51ad048b5dd450f
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SSDEEP
393216:Dl/7prg5lxSqTWgwboGCij0dVMIVibKTWfXuWIQ:R6UqigwboG2JVib7fp
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description 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.
description 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 -
resource yara_rule behavioral2/memory/4220-132-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-134-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-135-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-136-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-137-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-138-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-139-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida behavioral2/memory/4220-140-0x00007FF7ACB00000-0x00007FF7AEEB4000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA modest-menu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4220 modest-menu.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4220 modest-menu.exe 4220 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
PID:4220