b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 05:02

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General

Target

b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe
Size

14.4MB
MD5

09ba58f675e9afda6d0d167a07a1dc6e
SHA1

54295cc2221cc4226785dae11bed4da9ca7a5686
SHA256

b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090
SHA512

ee0107801a1cbc39657bb28b9e8c3295192aa2dd720fad3332bdf48079bd25cdfb569751ef069ab9ea5d4232e73cabe89799439806d0d59ebf85b2a3bea8adf2
SSDEEP

393216:QsDW1Lps9BPD+oJg3PjTJC1H5UfWSt/WS3402w:QsKlpEtSoJaPj94C/WR0H

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__	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.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	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Wine	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.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	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.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	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1848	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.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	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1848	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe
1848	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe
1848	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe

C:\Users\Admin\AppData\Local\Temp\b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe
"C:\Users\Admin\AppData\Local\Temp\b90d12e54c149a9b15e95761ba99920b5587e675ad36651837ecc8f75dbdf090.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- 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
- Suspicious use of AdjustPrivilegeToken
PID:1848

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/1848-0-0x0000000000A90000-0x00000000028EC000-memory.dmp

Filesize
30.4MB

Download
memory/1848-11-0x0000000000A90000-0x00000000028EC000-memory.dmp

Filesize
30.4MB

Download