3eda9b49c6e96a7f5f621f17e9f6dc8fa92c0000cbceba83f120ff649728078d

Analysis

max time kernel
142s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:05

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General

Target

25ac5976e92608cafb4f8efeeca8ad1b.exe
Size

3.2MB
MD5

25ac5976e92608cafb4f8efeeca8ad1b
SHA1

8e0d635855c83a3a002b07941474dd6d77cc3872
SHA256

3eda9b49c6e96a7f5f621f17e9f6dc8fa92c0000cbceba83f120ff649728078d
SHA512

cbbb8022cfb1adef341a3497312a59c2151dbeaeec8ff35d61cd65b4e20a8633fed4b554df108b7516b1510bfe2abd95b0bb704d8c1ab7b79b03147e7e850d33
SSDEEP

98304:hNGbx465ZuDsmgfoMi033NCNMj8FX4WKaTkye:hNGbN+smgRiYCNMhaTkye

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	25ac5976e92608cafb4f8efeeca8ad1b.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	25ac5976e92608cafb4f8efeeca8ad1b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	25ac5976e92608cafb4f8efeeca8ad1b.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4556-0-0x0000000000A10000-0x0000000001231000-memory.dmp	themida
behavioral2/memory/4556-3-0x0000000000A10000-0x0000000001231000-memory.dmp	themida
behavioral2/memory/4556-2-0x0000000000A10000-0x0000000001231000-memory.dmp	themida
behavioral2/memory/4556-4-0x0000000000A10000-0x0000000001231000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	25ac5976e92608cafb4f8efeeca8ad1b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4556	25ac5976e92608cafb4f8efeeca8ad1b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4556	25ac5976e92608cafb4f8efeeca8ad1b.exe
4556	25ac5976e92608cafb4f8efeeca8ad1b.exe

C:\Users\Admin\AppData\Local\Temp\25ac5976e92608cafb4f8efeeca8ad1b.exe
"C:\Users\Admin\AppData\Local\Temp\25ac5976e92608cafb4f8efeeca8ad1b.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
PID:4556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4556-0-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download
memory/4556-1-0x0000000077654000-0x0000000077656000-memory.dmp

Filesize
8KB

Download
memory/4556-3-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download
memory/4556-2-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download
memory/4556-4-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download
memory/4556-14-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download
memory/4556-16-0x0000000000A10000-0x0000000001231000-memory.dmp

Filesize
8.1MB

Download