fd7329ac9e8111fd954f2bb8abf49d684265a5de8325b7e7e4ca640ce9f8eadd

Analysis

max time kernel
60s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2023 00:34

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General

Target

4213ds/u3yUAGt07i.exe
Size

12.9MB
MD5

7791d25acbf4b6e03392aad4cbaf93a0
SHA1

afd50ed24e2dcb8ffd128c22e8e526870e065a04
SHA256

8e46242657a4a84d31840341fb023d4c08b053e0f4329e3d837b1cb5d22e1708
SHA512

72479d19d91e7410dc80d77314243f2b087ff02abd2224bd28112e79eb75e94c31d1f0382ceefe1be911be392e171f0b59b303b8eb76aefb4eadfb769a5c206c
SSDEEP

196608:/ntHA/J/KgW9znu4MUwN0OdER9P9zjBgOiPp97rMAfZ+WL9kdAe9XWc:/tSJCZ9znMJN0OdUnHBgZHr54WLedAWN

Score

9^/10

evasion 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:

u3yUAGt07i.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ u3yUAGt07i.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	u3yUAGt07i.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:

u3yUAGt07i.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	u3yUAGt07i.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	u3yUAGt07i.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

u3yUAGt07i.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA u3yUAGt07i.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

u3yUAGt07i.exe

pid process

4864 u3yUAGt07i.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	u3yUAGt07i.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

u3yUAGt07i.exe

pid	process
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe
4864	u3yUAGt07i.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

u3yUAGt07i.exe

pid process

4864 u3yUAGt07i.exe
4864 u3yUAGt07i.exe
4864 u3yUAGt07i.exe
4864 u3yUAGt07i.exe

C:\Users\Admin\AppData\Local\Temp\4213ds\u3yUAGt07i.exe
"C:\Users\Admin\AppData\Local\Temp\4213ds\u3yUAGt07i.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4864

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4864-132-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-134-0x0000000077A50000-0x0000000077BF3000-memory.dmp

Filesize
1.6MB

Download
memory/4864-133-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-135-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-136-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-137-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-138-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-139-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-140-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download
memory/4864-141-0x0000000077A50000-0x0000000077BF3000-memory.dmp

Filesize
1.6MB

Download
memory/4864-142-0x00000000004B0000-0x000000000230B000-memory.dmp

Filesize
30.4MB

Download