d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb

Analysis

max time kernel
138s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 05:01

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General

Target

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe
Size

5.3MB
MD5

4439dea6e261e089e18103c9ffd48541
SHA1

63c49802bc7f338cb0a5fd3a0d29d6a88c6f251d
SHA256

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb
SHA512

38527c707bfd2dbe33064bdbcd59db62e445461e2475e9dfe3026bf232eb37a3a6d185f3244c29fd30f69deb2c46cb04ffa7dff618a40e4bad6ea4b8ecbfe32b
SSDEEP

98304:GN/SSxn5D1cKNn1q5hwtiC5exhnSH2nLlalo/iwd9xaEDHr9gfrXx36T:GN/SoVNtA59Vjiwd9xaEDHrYrB3E

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:

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.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

Processes:

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

Executes dropped EXE 1 IoCs

Processes:

YShow3D.exe

pid process

1048 YShow3D.exe

pid	process
1048	YShow3D.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.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:

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description ioc process

File opened for modification \??\PhysicalDrive0 d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

YShow3D.exe

pid process

1048 YShow3D.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

pid	process
1048	YShow3D.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe

description	pid	process	target process
PID 2548 wrote to memory of 1048	2548	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe	YShow3D.exe
PID 2548 wrote to memory of 1048	2548	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe	YShow3D.exe
PID 2548 wrote to memory of 1048	2548	d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe	YShow3D.exe

C:\Users\Admin\AppData\Local\Temp\d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.exe
"C:\Users\Admin\AppData\Local\Temp\d6dfdb332623e9be79855681dd84c8234174ba900c93970d8574523516b11aeb.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 WriteProcessMemory
PID:2548

C:\Users\Admin\AppData\Local\Temp\YShow3D.exe
C:\Users\Admin\AppData\Local\Temp\\YShow3D.exe /i Çë²åÈë¼ÓÃÜ¹·mdongle runtime system is not installed! /t ÌáÊ¾ÐÅÏ¢£º /k 16
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1312 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:1716

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

C:\Users\Admin\AppData\Local\Temp\YShow3D.exe
Filesize
326KB

MD5
8e96277706fe70a9f910b7f85ea8eb92

SHA1
34ea5439c8711cb386e51520f9c4b05e6997c96f

SHA256
4f3dc8c71c652cf4ef4f0bf6d09f3272afb36df142e8eba1dd645efd4b1aca14

SHA512
3605cb71116db6fa12dae3727ce01d4f68f7afb5153b7575452c0e33861ddebdb33f9c3099f86d7625fb99b4d6fd548f60290a4b3cb9ad8e66d6d5bb50bcdbfa

Download Submit
memory/2548-0-0x0000000000400000-0x0000000000972000-memory.dmp

Filesize
5.4MB

Download
memory/2548-3-0x0000000000400000-0x0000000000972000-memory.dmp

Filesize
5.4MB

Download
memory/2548-2-0x0000000000400000-0x0000000000972000-memory.dmp

Filesize
5.4MB

Download
memory/2548-4-0x0000000002BA0000-0x0000000002CCB000-memory.dmp

Filesize
1.2MB

Download
memory/2548-9-0x0000000000400000-0x0000000000972000-memory.dmp

Filesize
5.4MB

Download
memory/2548-11-0x0000000002BA0000-0x0000000002CCB000-memory.dmp

Filesize
1.2MB

Download