Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/02/2024, 08:04
Static task
static1
Behavioral task
behavioral1
Sample
691ef3891d5c155f2689647f2c441617.exe
Resource
win7-20240221-en
General
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Target
691ef3891d5c155f2689647f2c441617.exe
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Size
4.1MB
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MD5
691ef3891d5c155f2689647f2c441617
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SHA1
03252b08cea28b39026ead3ee95f9d3db3acf3ce
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SHA256
bfbf60a70d1dbdd452f3b3bc819ce5804b5fc4baa028af084c2e84abaf73bb65
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SHA512
37f9e6c9ab03ceee528f8eab910d2ddaf8822a6c28bdb8b3129996120d50c4d51358482e14d8d4e90d3ef2e8a08cda5f36cd1109e0129998243e89806dc34960
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SSDEEP
98304:rJwI8rhd38BxuBCgbL5KWnsdZButFXK/IUCccYZPAxFe:GECwgQYspAF6/IjccYGF
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__ 691ef3891d5c155f2689647f2c441617.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 691ef3891d5c155f2689647f2c441617.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 691ef3891d5c155f2689647f2c441617.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation 691ef3891d5c155f2689647f2c441617.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe 691ef3891d5c155f2689647f2c441617.exe -
Executes dropped EXE 1 IoCs
pid Process 1800 qemu-ga.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 691ef3891d5c155f2689647f2c441617.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 691ef3891d5c155f2689647f2c441617.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4516 691ef3891d5c155f2689647f2c441617.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4516 691ef3891d5c155f2689647f2c441617.exe 4516 691ef3891d5c155f2689647f2c441617.exe 4516 691ef3891d5c155f2689647f2c441617.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4516 691ef3891d5c155f2689647f2c441617.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4516 wrote to memory of 1800 4516 691ef3891d5c155f2689647f2c441617.exe 96 PID 4516 wrote to memory of 1800 4516 691ef3891d5c155f2689647f2c441617.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\691ef3891d5c155f2689647f2c441617.exe"C:\Users\Admin\AppData\Local\Temp\691ef3891d5c155f2689647f2c441617.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Drops startup file
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"2⤵
- Executes dropped EXE
PID:1800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD5a5ce3aba68bdb438e98b1d0c70a3d95c
SHA1013f5aa9057bf0b3c0c24824de9d075434501354
SHA2569b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a
SHA5127446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79