64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836

Analysis

max time kernel
92s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 02:23

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General

Target

64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe
Size

1.1MB
MD5

444440c5dd4c02854c1cb894acbd6c92
SHA1

670e8737f43ba3f0376ee39b04c40296809903f7
SHA256

64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836
SHA512

5d41f8246c8e98c4a537b5244427597f065673c802fc9751d6820bfa276a655f85f08e86b2b2b1353d0345fc1ec14006efe4e4c337d3aef47f3522385e358644
SSDEEP

24576:BaUNVKivXERYEbrmnQn75C2xI2YZGI9SEgikqEi6WUWTZyox/6lGxD:BaU+ivMYEOqzBySEpEi6WfZjE0

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe

Checks BIOS information in registry 2 TTPs 2 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	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.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-1-5-21-2891029575-1462575-1165213807-1000\Software\Wine	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4928	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4928	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe
4928	64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe

C:\Users\Admin\AppData\Local\Temp\64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe
"C:\Users\Admin\AppData\Local\Temp\64d5d3d1ced9df264a6cd5dbb42a13cb332f26f6e748325a829ac0f57c491836.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

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/4928-132-0x0000000000400000-0x0000000000674000-memory.dmp

Filesize
2.5MB

Download
memory/4928-133-0x0000000000400000-0x0000000000674000-memory.dmp

Filesize
2.5MB

Download
memory/4928-134-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/4928-135-0x0000000074350000-0x0000000074901000-memory.dmp

Filesize
5.7MB

Download
memory/4928-136-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/4928-137-0x0000000074350000-0x0000000074901000-memory.dmp

Filesize
5.7MB

Download