574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c

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

Score

9^/10

bootkit discovery evasion persistence

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

wRUVFVFRZ.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions wRUVFVFRZ.exe
Executes dropped EXE 1 IoCs

Processes:

wRUVFVFRZ.exe

pid process

516 wRUVFVFRZ.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

wRUVFVFRZ.exe

description 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.

Query Registry
T1012

System Information Discovery
T1082

Processes:

wRUVFVFRZ.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion wRUVFVFRZ.exe
Loads dropped DLL 1 IoCs

Processes:

574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe

pid 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.
discovery

Query Registry
T1012

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	wRUVFVFRZ.exe

pid	process
516	wRUVFVFRZ.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	wRUVFVFRZ.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wRUVFVFRZ.exe

pid	process
1488	574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

wRUVFVFRZ.exe

description	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.
bootkit persistence

Bootkit
T1067

Processes:

wRUVFVFRZ.exe

description 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.

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	wRUVFVFRZ.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wRUVFVFRZ.exe

description	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

Query Registry

T1012

System Information Discovery

T1082

Processes:

wRUVFVFRZ.exe

description	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.exe

pid process

516 wRUVFVFRZ.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

wRUVFVFRZ.exe

pid process

516 wRUVFVFRZ.exe

pid	process
516	wRUVFVFRZ.exe

pid	process
516	wRUVFVFRZ.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe

description	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

C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe
"C:\Users\Admin\AppData\Local\Temp\574078f9d3e1aba6546e23d27ca890b1a228603edfbde13d584480e188717d4c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1488

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
PID:516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

7

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

5

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.exe
Filesize
1.4MB

MD5
bbf36e1e51d88a15446ff83fb500f216

SHA1
67780b3d4172ae3cbd32a73dc3df986e1ec77252

SHA256
0cd2ff28d4c721e142355ada0a591610033befddc4ef3a9a50592097a6e14e09

SHA512
06d4eef70f23e1c53ad8ec12a0cfcc04b68bff61c7687ac9478e67fc5a91be6b7ccc0e309786f4882c8bc4972e3680e412c4a743c22e63193d49b37ce877a46c

Download Submit
\Users\Admin\AppData\Local\Temp\MyDiskPro\wRUVFVFRZ.exe
Filesize
1.4MB

MD5
bbf36e1e51d88a15446ff83fb500f216

SHA1
67780b3d4172ae3cbd32a73dc3df986e1ec77252

SHA256
0cd2ff28d4c721e142355ada0a591610033befddc4ef3a9a50592097a6e14e09

SHA512
06d4eef70f23e1c53ad8ec12a0cfcc04b68bff61c7687ac9478e67fc5a91be6b7ccc0e309786f4882c8bc4972e3680e412c4a743c22e63193d49b37ce877a46c

Download Submit
memory/516-58-0x0000000000000000-mapping.dmp

Download
memory/516-62-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/516-63-0x0000000000400000-0x000000000092C000-memory.dmp

Filesize
5.2MB

Download
memory/516-64-0x0000000000400000-0x000000000092C000-memory.dmp

Filesize
5.2MB

Download
memory/1488-54-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/1488-55-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1488-56-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/1488-60-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads