f6f161bde933a77243f8107a7d1c75c628d5e8c654f84296325ab24596d04480

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 10:09

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General

Target

Frombyte Recovery For DV v2.1.exe
Size

3.2MB
MD5

15b7315f45b00e4930407b0f4df5a00a
SHA1

097c7c51e78c8c6240edfe8e3d9f6563d2155bf8
SHA256

1e89c1cdf921f125b3a41973036372b5aad7118509b2efec6bf8285356afabb5
SHA512

c5051801027f2cc317379da1fc3cd3938cdc14503b0c5e436f3a63ec0d9043f480572b4ff25c4d6a2ff981328ec75b58c9e7de0c4f2710803a6a0060cd64eb9c
SSDEEP

98304:dWpNg4lf34NoV8yZfVn4C7DWuFyM1Pw9CuvZ+:yNgmI+VhVn4ID1mCuvZ+

Score

9^/10

bootkit evasion persistence

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Frombyte Recovery For DV v2.1.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Frombyte Recovery For DV v2.1.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Wine	Frombyte Recovery For DV v2.1.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

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	Frombyte Recovery For DV v2.1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2608	Frombyte Recovery For DV v2.1.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1580	2608	WerFault.exe	81
5116	2608	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2608	Frombyte Recovery For DV v2.1.exe
2608	Frombyte Recovery For DV v2.1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2608	Frombyte Recovery For DV v2.1.exe

C:\Users\Admin\AppData\Local\Temp\Frombyte Recovery For DV v2.1.exe
"C:\Users\Admin\AppData\Local\Temp\Frombyte Recovery For DV v2.1.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 1000
  2⤵
  - Program crash
  PID:1580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 996
  2⤵
  - Program crash
  PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2608 -ip 2608
1⤵
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2608 -ip 2608
1⤵
PID:4452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2608-2-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/2608-1-0x0000000000D10000-0x0000000000EA4000-memory.dmp

Filesize
1.6MB

Download
memory/2608-0-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-3-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

Filesize
8KB

Download
memory/2608-4-0x0000000000401000-0x0000000000470000-memory.dmp

Filesize
444KB

Download
memory/2608-5-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-6-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-7-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-8-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-9-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-10-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download
memory/2608-11-0x0000000000400000-0x0000000000A98000-memory.dmp

Filesize
6.6MB

Download