cbecc6a7b633f72c9edfa08e394d893f68ff73b32e60955234f920d141529701

Analysis

max time kernel
92s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 09:16

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General

Target

cbecc6a7b633f72c9edfa08e394d893f68ff73b32e60955234f920d141529701.dll
Size

3.6MB
MD5

e134a2ba494c8b6fd3234fbdd410a333
SHA1

56738f2fef4c090b68c4aed5fb9ab42c5ab4d63c
SHA256

cbecc6a7b633f72c9edfa08e394d893f68ff73b32e60955234f920d141529701
SHA512

2f5a7989cb37757151ecea58a43a82828be9ad35631c2029fd119c9c4cd44c7131317accdf4972dec22ff363e79097d2765e1bbd13b07a2912974ba8f8997a05
SSDEEP

98304:seHguQzSvxF+zqk2PhA/F+nsyVcCE9M2jqjhVY:vyzSfoq9PvYmcChVY

Score

9^/10

evasion themida 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

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/876-0-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-2-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-5-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-3-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-4-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-6-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida
behavioral2/memory/876-7-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp	themida

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
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

876 rundll32.exe

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

pid	process
876	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbecc6a7b633f72c9edfa08e394d893f68ff73b32e60955234f920d141529701.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:876

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/876-1-0x00007FFCF26D0000-0x00007FFCF26D2000-memory.dmp

Filesize
8KB

Download
memory/876-0-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-2-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-5-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-3-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-4-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-6-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download
memory/876-7-0x00007FFCD4440000-0x00007FFCD4DEC000-memory.dmp

Filesize
9.7MB

Download