5a0461545da96488d576540bc526e5c1a861d09f2c73f528e3191212d2f9f1b1

Analysis

max time kernel
1372s
max time network
1164s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 18:34

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General

Target

sillyboost_cracked_v1/crack.dll
Size

4.9MB
MD5

d8131fd472e3f921dca592b6c0872c26
SHA1

3be46fc189d169673e3f8779128b42f17be131d3
SHA256

e923fb5d56d8f8f7bb2f0b11be779ca5d87164c536d9f8c0c24a89b52a372c06
SHA512

9fa8978e2f6549b56cc077e8d857cbc5e106cb9da0cef976326110ce0f6dee11ca0fe72751e63d862e42cad80508a0747377e08b72cc4faaa9f614381ebdf6a9
SSDEEP

98304:bd1z1vEYCYWcv4DoirkjuQM/OMc7/2QIqLAIOiqrr8HfdmjLdGGf:bdx1vMlDEXMc7MqcIOjH8O

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:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.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:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sillyboost_cracked_v1\crack.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:4980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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/4980-1-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-3-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-2-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-5-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-4-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-6-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-0-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download
memory/4980-7-0x000000005AFE0000-0x000000005B9B3000-memory.dmp

Filesize
9.8MB

Download