be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 23:16

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General

Target
be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
Size 14.0MB
Sample240614-289xcatfpj
SHA256 be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e
MD5 4c899f248f265d3d227500f6b993947b
SHA1 9c2ce56d48005dc9d82a587a270dd0dd084c38e3
SHA512 6bd287b5e976ab12867c62cc5d80a1d64fe1b3d8ef4d8b020e479048a3904e1eb5fc6140eda1207ebbaab6604aa5a18c152afa41d3756d8959a6e4486edfdb78
SSDEEP 393216:ScQSE4rIYCoX0RybbNs0DazP3ZHZUQkski6:JQSfrxF9dsdPwrski
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

bootkit 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__	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.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\VideoBiosVersion	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.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	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.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	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1580	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\CertificateAuthority.Request\CLSID	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\CertificateAuthority.Request	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\CertificateAuthority.Request\CLSID\Request ID (119xb5jgy57) = 81449d9a958360e5f735ed87	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1580	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
1580	be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe

C:\Users\Admin\AppData\Local\Temp\be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
"C:\Users\Admin\AppData\Local\Temp\be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1580

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1580-0-0x0000000000400000-0x00000000019F6000-memory.dmp

Download

memory/1580-1-0x0000000077EC4000-0x0000000077EC6000-memory.dmp

Download

memory/1580-5-0x0000000000400000-0x00000000019F6000-memory.dmp

Download