793f41732b3f6ecb37987f7605fe869110ae0c8c0c17fbbf5139a3d92f4b81b7

Analysis

max time kernel
53s
max time network
55s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
26-03-2023 06:41

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General

Target

shawtys_spoofer.exe
Size

3.9MB
MD5

e27e676f802341a44b0d857d0813a6c6
SHA1

4ecaaa0d24a2206cedfc6df10a40329fb5af0ce8
SHA256

793f41732b3f6ecb37987f7605fe869110ae0c8c0c17fbbf5139a3d92f4b81b7
SHA512

776e039a59c8617ba102cfd23a86a372edd76c48e6bb7251497b2ea63883b15241570809220555ba1ab6a42913aa035519b78be21314e4348b69228db6334b43
SSDEEP

98304:HoKgEqf/LPpsrhDMHJVcDU7CXAyd+wZOddLZS5aEOpcgkShfSr:IEqbSNmJCwCXAdE5nShSr

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:

shawtys_spoofer.exe

description ioc process

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

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

shawtys_spoofer.exe

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

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1012-124-0x00007FF743140000-0x00007FF743BD0000-memory.dmp	themida
behavioral1/memory/1012-129-0x00007FF743140000-0x00007FF743BD0000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

shawtys_spoofer.exe

description ioc process

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

Processes:

shawtys_spoofer.exe

pid process

1012 shawtys_spoofer.exe

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

pid	process
1012	shawtys_spoofer.exe

C:\Users\Admin\AppData\Local\Temp\shawtys_spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\shawtys_spoofer.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtCreateThreadExHideFromDebugger
PID:1012

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/1012-124-0x00007FF743140000-0x00007FF743BD0000-memory.dmp

Filesize
10.6MB

Download
memory/1012-129-0x00007FF743140000-0x00007FF743BD0000-memory.dmp

Filesize
10.6MB

Download