4ddaa14f57744b2cac875ffb15a09e49246b9a45ab3c1122dca7aa47f820a1f2

Analysis

max time kernel
50s
max time network
59s
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 07:11

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General

Target

GWUnlock.exe
Size

3.9MB
MD5

e3b8025f68218afe124eac6fe003eff6
SHA1

8ec765a41e631c5d77882e71d48f63fc0d0ffbbd
SHA256

f424e81a5504896a2f96a56433e086daf86020d3503d88b67fa885a75eb79389
SHA512

136f9a72dc76a412669675b7d17527f5d1d63ae793afddce0554e070eafc954c8b33683fc2c3dd13b64f09437f05ef796edc4140d6421f15c50387a8a8a83962
SSDEEP

98304:SKaIL5ysioj6zmmKO0msVe/GZfqOOijGEeJJqhhMmWb:2IL5Z+mmKO0vy03tpib

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:

GWUnlock.exe

description ioc process

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

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

GWUnlock.exe

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

Themida packer 12 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral24/memory/1732-0-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-2-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-3-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-4-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-5-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-6-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-7-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-8-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-10-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-11-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-9-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida
behavioral24/memory/1732-13-0x00000000001E0000-0x0000000000C1B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

GWUnlock.exe

description ioc process

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

Processes:

GWUnlock.exe

pid process

1732 GWUnlock.exe

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

pid	process
1732	GWUnlock.exe

C:\Users\Admin\AppData\Local\Temp\GWUnlock.exe
"C:\Users\Admin\AppData\Local\Temp\GWUnlock.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:1732

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/1732-1-0x00000000778D4000-0x00000000778D6000-memory.dmp

Filesize
8KB

Download
memory/1732-0-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-2-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-3-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-4-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-5-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-6-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-7-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-8-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-10-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-11-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-9-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download
memory/1732-13-0x00000000001E0000-0x0000000000C1B000-memory.dmp

Filesize
10.2MB

Download