f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa

Analysis

max time kernel
140s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:56

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General

Target

f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe
Size

3.6MB
MD5

aec3db72f515f7b1eb36fd783803e116
SHA1

72a411a45c5184106886f7fff3af058c874b66ec
SHA256

f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa
SHA512

fc9e53b1601a346c647a6e7dabe42326479e80a841b9ebbf222dd9180a26b6840318a748abd1f5b02b966310a4b1b8f2b9d71b9fbd5b076987cedd4b03deed05
SSDEEP

98304:CMT50Gx83GG4tBN8kqbEVZeMJkrj/xVmAllwTA3Ttj:D10D3GTnTqbEVZhJq/xVbsAT9

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe

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	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2484	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2484	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe
2484	f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe

C:\Users\Admin\AppData\Local\Temp\f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.exe
"C:\Users\Admin\AppData\Local\Temp\f8b127e4798a7da51094c812b4bba9d2bd489d61f97094c5d72839cd6fee9dfa.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 use of SetWindowsHookEx
PID:2484

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/2484-0-0x0000000000400000-0x0000000000DF3000-memory.dmp

Filesize
9.9MB

Download
memory/2484-1-0x0000000076F84000-0x0000000076F86000-memory.dmp

Filesize
8KB

Download
memory/2484-4-0x0000000000400000-0x0000000000DF3000-memory.dmp

Filesize
9.9MB

Download
memory/2484-3-0x0000000000400000-0x0000000000DF3000-memory.dmp

Filesize
9.9MB

Download
memory/2484-5-0x0000000000400000-0x0000000000DF3000-memory.dmp

Filesize
9.9MB

Download
memory/2484-6-0x0000000000400000-0x0000000000DF3000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads