c0afd7d86cb0586db959d19db36345676437acb53140ea9d91e6201041cadae7

Analysis

max time kernel
29s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-03-2023 11:20

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General

Target

AridekVM.exe
Size

12.9MB
MD5

7550996532016fa5bb2e7fcee4fbf1a4
SHA1

e0f0d2b17c03477196209ee9635f2a11283027d8
SHA256

c0afd7d86cb0586db959d19db36345676437acb53140ea9d91e6201041cadae7
SHA512

935714dc724e7c3e0f02fff28e0cf8c4eec81a3ea2c3c79669e99837fc77ac15e62456cda11771943c578075a6c74e6d01512c7e90048d527c96f60df18ef131
SSDEEP

196608:dEGgxWcn/V+7huajaJ+RWgKf4it0d3sbPKjGyhZvEwrPjVlQozzB4dDTe:dEjxWKNihNaJEW4Wis+DMwnQxi

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:

AridekVM.exe

description ioc process

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

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

AridekVM.exe

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

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1588-54-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-55-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-56-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-57-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-58-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-59-0x000000013FB20000-0x0000000141521000-memory.dmp	themida
behavioral1/memory/1588-60-0x000000013FB20000-0x0000000141521000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

AridekVM.exe

description ioc process

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

Processes:

AridekVM.exe

pid process

1588 AridekVM.exe

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

pid	process
1588	AridekVM.exe

C:\Users\Admin\AppData\Local\Temp\AridekVM.exe
"C:\Users\Admin\AppData\Local\Temp\AridekVM.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
PID:1588

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/1588-54-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-55-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-56-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-57-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-58-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-59-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download
memory/1588-60-0x000000013FB20000-0x0000000141521000-memory.dmp

Filesize
26.0MB

Download