Analysis
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max time kernel
99s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 17:17
Static task
static1
Behavioral task
behavioral1
Sample
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe
Resource
win7-20220715-en
General
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Target
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe
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Size
1.9MB
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MD5
e25b96751b43c2f7b7bc6db693568f4c
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SHA1
bdca1cc27c04bcc9c8a3a8e3b9fdd15a575c3e11
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SHA256
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42
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SHA512
424c3695d6bffdc255cf3b3244951612eaff9adf8d79bf7994f8a6a13ea92cf0871e588827d506b1518386c655e159963ae3f99043c561af3a31ebd3ea258909
Malware Config
Extracted
vidar
14
223
http://klegrandlichgrum.com/
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profile_id
223
Signatures
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2200-132-0x0000000000400000-0x0000000000840000-memory.dmp family_vidar behavioral2/memory/2200-133-0x0000000000400000-0x0000000000840000-memory.dmp family_vidar -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Wine da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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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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Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 9 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exepid process 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exepid process 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe 2200 da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe"C:\Users\Admin\AppData\Local\Temp\da44966d0aa9da89c8af82b6efda937a2d94a9c898300645cd5362e2f0e47f42.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2200-130-0x0000000000400000-0x0000000000840000-memory.dmpFilesize
4.2MB
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memory/2200-131-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/2200-132-0x0000000000400000-0x0000000000840000-memory.dmpFilesize
4.2MB
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memory/2200-133-0x0000000000400000-0x0000000000840000-memory.dmpFilesize
4.2MB
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memory/2200-134-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB