91bd58996da4433a6ce296547bea69861478b653117315831bfd825b2e4e0d3a

Analysis

max time kernel
2s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 23:52

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General

Target

veax_protected.exe
Size

3.8MB
MD5

386428b81e1a52e63f688e9ed323d066
SHA1

bd94ce6bd113d2f1b69af81244b268fda9d99160
SHA256

91bd58996da4433a6ce296547bea69861478b653117315831bfd825b2e4e0d3a
SHA512

d5b0d98a981f7ee2571ed2b4ed3932c71c0629676e9bbb7e3e457a347f029f1abe43b951c7e9430f0afc9f06bc886f28b198a828a837a2fd98fe5758ae35f15a
SSDEEP

49152:tI7WUD3/Bu/mJiKNUyGy8lPO3dpFwvq8zZ9TMit9nXIALJ95Z+0dVgBreCdz3xo2:tuvJiAGytb8Xpt9ICJ95BdVgJ1CH7Glj

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:

veax_protected.exe

description ioc process

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

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

veax_protected.exe

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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/5064-0-0x0000000140000000-0x0000000140A19000-memory.dmp	themida
behavioral2/memory/5064-4-0x0000000140000000-0x0000000140A19000-memory.dmp	themida
behavioral2/memory/5064-2-0x0000000140000000-0x0000000140A19000-memory.dmp	themida
behavioral2/memory/5064-3-0x0000000140000000-0x0000000140A19000-memory.dmp	themida
behavioral2/memory/5064-6-0x0000000140000000-0x0000000140A19000-memory.dmp	themida
behavioral2/memory/5064-5-0x0000000140000000-0x0000000140A19000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

veax_protected.exe

description ioc process

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

Processes:

veax_protected.exe

pid process

5064 veax_protected.exe

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

pid	process
5064	veax_protected.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

veax_protected.execmd.exe

description	pid	process	target process
PID 5064 wrote to memory of 2624	5064	veax_protected.exe	cmd.exe
PID 5064 wrote to memory of 2624	5064	veax_protected.exe	cmd.exe
PID 2624 wrote to memory of 828	2624	cmd.exe	certutil.exe
PID 2624 wrote to memory of 828	2624	cmd.exe	certutil.exe
PID 2624 wrote to memory of 464	2624	cmd.exe	find.exe
PID 2624 wrote to memory of 464	2624	cmd.exe	find.exe
PID 2624 wrote to memory of 2272	2624	cmd.exe	find.exe
PID 2624 wrote to memory of 2272	2624	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\veax_protected.exe
"C:\Users\Admin\AppData\Local\Temp\veax_protected.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 use of WriteProcessMemory
PID:5064

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\veax_protected.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
2⤵
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\veax_protected.exe" MD5
3⤵
PID:828

C:\Windows\system32\find.exe
find /i /v "md5"
3⤵
PID:464

C:\Windows\system32\find.exe
find /i /v "certutil"
3⤵
PID:2272

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/5064-0-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download
memory/5064-1-0x00007FFBBDAB0000-0x00007FFBBDAB2000-memory.dmp

Filesize
8KB

Download
memory/5064-4-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download
memory/5064-2-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download
memory/5064-3-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download
memory/5064-6-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download
memory/5064-5-0x0000000140000000-0x0000000140A19000-memory.dmp

Filesize
10.1MB

Download