89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d

Analysis

max time kernel
134s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 19:39

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General

Target

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Size

9.4MB
MD5

674f5e5191d2f25abf6f60dfdf57ca31
SHA1

b31d884354ee63ec133a8990dbc58a79ab53c584
SHA256

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d
SHA512

6e61000496e25e56bb6195c8a130e42aa04d1d25cde304cd3294fb1db05e0ea93e4aa0e4a52a1f8b87d16c333d082a4ee55be8b9c18d6abc5e4eaad7974904bb
SSDEEP

196608:8uVlqZBFGshmB5BFoOWGTjkaU6XqEKBcGl33D5ouEoAoHkh+cowMYGWbRI20:jlq/FH8BHFoOWGybxcGpFVvLkIc+YR+3

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.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

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description ioc process

File opened for modification \??\PhysicalDrive0 89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

pid process

1608 89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

Modifies registry class 4 IoCs

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\CertificateAuthority.Request	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\CertificateAuthority.Request\CLSID\ugalhjfx = 2222e9ec214aa67fdcf38ac8	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\CertificateAuthority.Request\CLSID\ebemgsad = 820fa8ce204a26cbdb47cb34	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\CertificateAuthority.Request\CLSID	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

pid	process
1608	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
1608	89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe

C:\Users\Admin\AppData\Local\Temp\89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe
"C:\Users\Admin\AppData\Local\Temp\89475e805f01d2e52093121987c912e5a6134228af6dc0047e6bac0dae9b5b0d.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1608

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

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Downloads

memory/1608-0-0x0000000000400000-0x00000000015A2000-memory.dmp

Filesize
17.6MB

Download
memory/1608-1-0x00000000779B4000-0x00000000779B6000-memory.dmp

Filesize
8KB

Download
memory/1608-5-0x0000000000400000-0x00000000015A2000-memory.dmp

Filesize
17.6MB

Download