Analysis
-
max time kernel
168s -
max time network
61s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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
-
Target
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe
-
Size
1.7MB
-
MD5
9e249f16662cfe57b112ff6fdac7f94f
-
SHA1
0db435920e7992d626ba42ffc877ed76352c5e7c
-
SHA256
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c
-
SHA512
a2756cb2ebe35384cfa01f4b6a6400a03a19fbd31b7362b9700ff9ea5747420bc5c06ad749f1862be92e63a744ed87ef765633106bb3e672cbba249f6713cb0c
-
SSDEEP
49152:+cl+6hQpkOYqWEKhW/YtJhb8STFsIB/oz00QiQZ:+cY6hEkO+hW/YtL8qFs6/0Nz8
Malware Config
Signatures
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
wRUVFVFRZ.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions wRUVFVFRZ.exe -
Executes dropped EXE 1 IoCs
Processes:
wRUVFVFRZ.exepid process 516 wRUVFVFRZ.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
wRUVFVFRZ.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools wRUVFVFRZ.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
wRUVFVFRZ.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion wRUVFVFRZ.exe -
Loads dropped DLL 1 IoCs
Processes:
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exepid process 1488 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
wRUVFVFRZ.exedescription ioc process File opened (read-only) \??\G: wRUVFVFRZ.exe File opened (read-only) \??\J: wRUVFVFRZ.exe File opened (read-only) \??\L: wRUVFVFRZ.exe File opened (read-only) \??\B: wRUVFVFRZ.exe File opened (read-only) \??\F: wRUVFVFRZ.exe File opened (read-only) \??\I: wRUVFVFRZ.exe File opened (read-only) \??\Q: wRUVFVFRZ.exe File opened (read-only) \??\U: wRUVFVFRZ.exe File opened (read-only) \??\Y: wRUVFVFRZ.exe File opened (read-only) \??\E: wRUVFVFRZ.exe File opened (read-only) \??\N: wRUVFVFRZ.exe File opened (read-only) \??\P: wRUVFVFRZ.exe File opened (read-only) \??\V: wRUVFVFRZ.exe File opened (read-only) \??\Z: wRUVFVFRZ.exe File opened (read-only) \??\H: wRUVFVFRZ.exe File opened (read-only) \??\K: wRUVFVFRZ.exe File opened (read-only) \??\M: wRUVFVFRZ.exe File opened (read-only) \??\O: wRUVFVFRZ.exe File opened (read-only) \??\R: wRUVFVFRZ.exe File opened (read-only) \??\S: wRUVFVFRZ.exe File opened (read-only) \??\T: wRUVFVFRZ.exe File opened (read-only) \??\W: wRUVFVFRZ.exe File opened (read-only) \??\A: wRUVFVFRZ.exe File opened (read-only) \??\X: wRUVFVFRZ.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:
wRUVFVFRZ.exedescription ioc process File opened for modification \??\PhysicalDrive0 wRUVFVFRZ.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
wRUVFVFRZ.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 wRUVFVFRZ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wRUVFVFRZ.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
wRUVFVFRZ.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS\ wRUVFVFRZ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer wRUVFVFRZ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct wRUVFVFRZ.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
wRUVFVFRZ.exepid process 516 wRUVFVFRZ.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
wRUVFVFRZ.exepid process 516 wRUVFVFRZ.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exedescription pid process target process PID 1488 wrote to memory of 516 1488 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wRUVFVFRZ.exe PID 1488 wrote to memory of 516 1488 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wRUVFVFRZ.exe PID 1488 wrote to memory of 516 1488 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wRUVFVFRZ.exe PID 1488 wrote to memory of 516 1488 574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe wRUVFVFRZ.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe"C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.exe"C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.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
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.exeFilesize
1.4MB
MD5bbf36e1e51d88a15446ff83fb500f216
SHA167780b3d4172ae3cbd32a73dc3df986e1ec77252
SHA2560cd2ff28d4c721e142355ada0a591610033befddc4ef3a9a50592097a6e14e09
SHA51206d4eef70f23e1c53ad8ec12a0cfcc04b68bff61c7687ac9478e67fc5a91be6b7ccc0e309786f4882c8bc4972e3680e412c4a743c22e63193d49b37ce877a46c
-
\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.exeFilesize
1.4MB
MD5bbf36e1e51d88a15446ff83fb500f216
SHA167780b3d4172ae3cbd32a73dc3df986e1ec77252
SHA2560cd2ff28d4c721e142355ada0a591610033befddc4ef3a9a50592097a6e14e09
SHA51206d4eef70f23e1c53ad8ec12a0cfcc04b68bff61c7687ac9478e67fc5a91be6b7ccc0e309786f4882c8bc4972e3680e412c4a743c22e63193d49b37ce877a46c
-
memory/516-58-0x0000000000000000-mapping.dmp
-
memory/516-62-0x0000000000230000-0x0000000000233000-memory.dmpFilesize
12KB
-
memory/516-63-0x0000000000400000-0x000000000092C000-memory.dmpFilesize
5.2MB
-
memory/516-64-0x0000000000400000-0x000000000092C000-memory.dmpFilesize
5.2MB
-
memory/1488-54-0x0000000075F01000-0x0000000075F03000-memory.dmpFilesize
8KB
-
memory/1488-55-0x0000000000400000-0x0000000000684000-memory.dmpFilesize
2.5MB
-
memory/1488-56-0x00000000001C0000-0x00000000001C3000-memory.dmpFilesize
12KB
-
memory/1488-60-0x0000000000400000-0x0000000000684000-memory.dmpFilesize
2.5MB