Analysis
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max time kernel
87s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 09:27
Static task
static1
Behavioral task
behavioral1
Sample
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe
Resource
win10v2004-20220901-en
General
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Target
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe
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Size
1.7MB
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MD5
9e249f16662cfe57b112ff6fdac7f94f
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SHA1
0db435920e7992d626ba42ffc877ed76352c5e7c
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SHA256
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c
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SHA512
a2756cb2ebe35384cfa01f4b6a6400a03a19fbd31b7362b9700ff9ea5747420bc5c06ad749f1862be92e63a744ed87ef765633106bb3e672cbba249f6713cb0c
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SSDEEP
49152:+cl+6hQpkOYqWEKhW/YtJhb8STFsIB/oz00QiQZ:+cY6hEkO+hW/YtL8qFs6/0Nz8
Malware Config
Signatures
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
wOGhrbThs.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions wOGhrbThs.exe -
Executes dropped EXE 1 IoCs
Processes:
wOGhrbThs.exepid process 4000 wOGhrbThs.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
wOGhrbThs.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools wOGhrbThs.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
wOGhrbThs.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion wOGhrbThs.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe -
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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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
wOGhrbThs.exedescription ioc process File opened (read-only) \??\R: wOGhrbThs.exe File opened (read-only) \??\V: wOGhrbThs.exe File opened (read-only) \??\A: wOGhrbThs.exe File opened (read-only) \??\B: wOGhrbThs.exe File opened (read-only) \??\L: wOGhrbThs.exe File opened (read-only) \??\Q: wOGhrbThs.exe File opened (read-only) \??\U: wOGhrbThs.exe File opened (read-only) \??\E: wOGhrbThs.exe File opened (read-only) \??\F: wOGhrbThs.exe File opened (read-only) \??\K: wOGhrbThs.exe File opened (read-only) \??\P: wOGhrbThs.exe File opened (read-only) \??\M: wOGhrbThs.exe File opened (read-only) \??\N: wOGhrbThs.exe File opened (read-only) \??\O: wOGhrbThs.exe File opened (read-only) \??\S: wOGhrbThs.exe File opened (read-only) \??\T: wOGhrbThs.exe File opened (read-only) \??\W: wOGhrbThs.exe File opened (read-only) \??\X: wOGhrbThs.exe File opened (read-only) \??\Y: wOGhrbThs.exe File opened (read-only) \??\G: wOGhrbThs.exe File opened (read-only) \??\H: wOGhrbThs.exe File opened (read-only) \??\I: wOGhrbThs.exe File opened (read-only) \??\J: wOGhrbThs.exe File opened (read-only) \??\Z: wOGhrbThs.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.
Processes:
wOGhrbThs.exedescription ioc process File opened for modification \??\PhysicalDrive0 wOGhrbThs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
wOGhrbThs.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 wOGhrbThs.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wOGhrbThs.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
wOGhrbThs.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS\ wOGhrbThs.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer wOGhrbThs.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct wOGhrbThs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
wOGhrbThs.exepid process 4000 wOGhrbThs.exe 4000 wOGhrbThs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
wOGhrbThs.exepid process 4000 wOGhrbThs.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exedescription pid process target process PID 2232 wrote to memory of 4000 2232 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wOGhrbThs.exe PID 2232 wrote to memory of 4000 2232 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wOGhrbThs.exe PID 2232 wrote to memory of 4000 2232 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wOGhrbThs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe"C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wOGhrbThs.exe"C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wOGhrbThs.exe" TEw9aHR0cDovL21maWxlLnNpdGUvZC8qTk49YmVhbW5nLmRyaXZlLnRvcnJlbnQqRkY9MTI3MzYqQVBJPSpTSVpFPTExMzE4Kk1VPWh0dHA6Ly9tZGlzLmZ1bi9sLypTVT1NeURpc2sucHJvKg==2⤵
- Looks for VirtualBox Guest Additions in registry
- Executes dropped EXE
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wOGhrbThs.exeFilesize
1.4MB
MD5bbf36e1e51d88a15446ff83fb500f216
SHA167780b3d4172ae3cbd32a73dc3df986e1ec77252
SHA2560cd2ff28d4c721e142355ada0a591610033befddc4ef3a9a50592097a6e14e09
SHA51206d4eef70f23e1c53ad8ec12a0cfcc04b68bff61c7687ac9478e67fc5a91be6b7ccc0e309786f4882c8bc4972e3680e412c4a743c22e63193d49b37ce877a46c
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memory/2232-132-0x0000000000400000-0x0000000000684000-memory.dmpFilesize
2.5MB
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memory/2232-133-0x0000000000710000-0x0000000000713000-memory.dmpFilesize
12KB
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memory/2232-136-0x0000000000400000-0x0000000000684000-memory.dmpFilesize
2.5MB
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memory/4000-134-0x0000000000000000-mapping.dmp
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memory/4000-137-0x0000000000A40000-0x0000000000A43000-memory.dmpFilesize
12KB
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memory/4000-138-0x0000000000400000-0x000000000092C000-memory.dmpFilesize
5.2MB
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memory/4000-139-0x0000000000400000-0x000000000092C000-memory.dmpFilesize
5.2MB