aef4ca95d9fc89f2a33079e795d51f54ea6c2ae74430cd3cd65f0578a6cfcfd1

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

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1304-133-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-134-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-135-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-136-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-137-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-138-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-139-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-140-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-141-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-142-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-143-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-144-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp	themida
behavioral2/memory/1304-145-0x00007FF7B1E90000-0x00007FF7B3891000-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

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

Suspicious use of NtSetInformationThreadHideFromDebugger 50 IoCs

Processes:

AridekVM.exe

pid	process
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4036 232 WerFault.exe
1628 1304 WerFault.exe AridekVM.exe

pid	pid_target	process	target process
4036	232	WerFault.exe
1628	1304	WerFault.exe	AridekVM.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

AridekVM.exe

pid	process
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe
1304	AridekVM.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

AridekVM.execmd.exe

description	pid	process	target process
PID 1304 wrote to memory of 2040	1304	AridekVM.exe	cmd.exe
PID 1304 wrote to memory of 2040	1304	AridekVM.exe	cmd.exe
PID 1304 wrote to memory of 1668	1304	AridekVM.exe	cmd.exe
PID 1304 wrote to memory of 1668	1304	AridekVM.exe	cmd.exe
PID 1304 wrote to memory of 2184	1304	AridekVM.exe	cmd.exe
PID 1304 wrote to memory of 2184	1304	AridekVM.exe	cmd.exe
PID 2184 wrote to memory of 3560	2184	cmd.exe	certutil.exe
PID 2184 wrote to memory of 3560	2184	cmd.exe	certutil.exe
PID 2184 wrote to memory of 2836	2184	cmd.exe	find.exe
PID 2184 wrote to memory of 2836	2184	cmd.exe	find.exe
PID 2184 wrote to memory of 1672	2184	cmd.exe	find.exe
PID 2184 wrote to memory of 1672	2184	cmd.exe	find.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:2040

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1668

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\AridekVM.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
2⤵
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\AridekVM.exe" MD5
3⤵
PID:3560

C:\Windows\system32\find.exe
find /i /v "md5"
3⤵
PID:2836

C:\Windows\system32\find.exe
find /i /v "certutil"
3⤵
PID:1672

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1304 -s 888
2⤵
- Program crash
PID:1628

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 436 -p 232 -ip 232
1⤵
PID:3024

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 232 -s 1684
1⤵
- Program crash
PID:4036

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 564 -p 1304 -ip 1304
1⤵
PID:4804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1304-133-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-134-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-135-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-136-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-137-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-138-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-139-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-140-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-141-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-142-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-143-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-144-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download
memory/1304-145-0x00007FF7B1E90000-0x00007FF7B3891000-memory.dmp

Filesize
26.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads