d6b2bef46ec5456b8c44f0e5cee4fb410605478f72256c0c6b9f06d1cf74135b

Analysis

max time kernel
30s
max time network
32s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2023 19:07

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General

Target

Arxvestiys MW2 Chair.exe
Size

5.3MB
MD5

a1f52e29a90caeec1d5f17221cc00270
SHA1

899cc3badca0c1ee1f66e8d316515a43da24e293
SHA256

d6b2bef46ec5456b8c44f0e5cee4fb410605478f72256c0c6b9f06d1cf74135b
SHA512

637685116a361a03adc9b1303124040038c33f2f06afac7fad9c89158d94a92492e00582a5e8d88d819c787ecc3d606c3911635bd805e742000f1780c40edca5
SSDEEP

98304:TJBa9sRM5F3JDq5lokIMgLipppaEVjlzHuxOoOUKko1O7A+ED/g5pivHnypy2SBm:TJE9c83Sl6xmt5HgOoOUK91CPPriPy4Y

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:

Arxvestiys MW2 Chair.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Arxvestiys MW2 Chair.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Arxvestiys MW2 Chair.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:

Arxvestiys MW2 Chair.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Arxvestiys MW2 Chair.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Arxvestiys MW2 Chair.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1636-133-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-134-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-135-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-136-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-137-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-138-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-139-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-140-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-141-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-142-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida
behavioral2/memory/1636-143-0x00007FF799380000-0x00007FF79A09A000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Arxvestiys MW2 Chair.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Arxvestiys MW2 Chair.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Arxvestiys MW2 Chair.exe

pid process

1636 Arxvestiys MW2 Chair.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4724 1636 WerFault.exe Arxvestiys MW2 Chair.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Arxvestiys MW2 Chair.exe

pid	process
1636	Arxvestiys MW2 Chair.exe

pid	pid_target	process	target process
4724	1636	WerFault.exe	Arxvestiys MW2 Chair.exe

C:\Users\Admin\AppData\Local\Temp\Arxvestiys MW2 Chair.exe
"C:\Users\Admin\AppData\Local\Temp\Arxvestiys MW2 Chair.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:1636

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1636 -s 924
2⤵
- Program crash
PID:4724

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 444 -p 1636 -ip 1636
1⤵
PID:1020

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

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Downloads

memory/1636-133-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-134-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-135-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-136-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-137-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-138-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-139-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-140-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-141-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-142-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download
memory/1636-143-0x00007FF799380000-0x00007FF79A09A000-memory.dmp

Filesize
13.1MB

Download