51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 22:32

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General

Target

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe
Size

3.7MB
MD5

3b53beda7cd09fdc8588a7f0633001cf
SHA1

ea234ddc0b0bccc03bee0e945063ff4387e23f98
SHA256

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57
SHA512

2baa4509102ef94f2612200eb8bf9ca89d014b2e35fef379be39fec745278a1e0441e020df834dbe1f60800cc219d59ca31705e1c7c068d4c9f6194e2047aabc
SSDEEP

98304:m+szMRjF1eZVGgF8hRiEsU888SLA781uZ03HJRkh:7s2eZQUyAEv888aAyJwh

Score

9^/10

bootkit discovery evasion persistence 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:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description ioc process

File opened for modification \??\PhysicalDrive0 51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

pid process

840 51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

pid	process
840	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

pid process

840 51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

pid	process
840	51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe

C:\Users\Admin\AppData\Local\Temp\51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe
"C:\Users\Admin\AppData\Local\Temp\51453e4e45f46ab5c073e82618715738aeadc1d88dc84430b3d8934c81453d57.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/840-0-0x0000000000400000-0x0000000000D80000-memory.dmp

Filesize
9.5MB

Download
memory/840-1-0x0000000077230000-0x0000000077232000-memory.dmp

Filesize
8KB

Download
memory/840-3-0x0000000000400000-0x0000000000D80000-memory.dmp

Filesize
9.5MB

Download