9dc96fcf5f80c40d27f9416d74420f334bd54920547dbad8ea66463fe440d12a

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:18

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General

Target

9dc96fcf5f80c40d27f9416d74420f334bd54920547dbad8ea66463fe440d12a.dll
Size

9.8MB
MD5

ffec6ce9f5f9534086076195e95eefa3
SHA1

0020fa2285a9bae44ebf4f856116d9ce7df66881
SHA256

9dc96fcf5f80c40d27f9416d74420f334bd54920547dbad8ea66463fe440d12a
SHA512

6b37a0d62828634bd2b73ecb8b941b24e282966285ec96a93abe04159e6cb287449ef45fa0361dfc0d40e337d7400702a7bc46faa94b8d4cad261551090067f8
SSDEEP

196608:oA74Kf5o0+HhRGI6lhOv4mNp//e+cVJc8tfR3ZE+S:oUqhkI6lhZmjZcVJBBZc

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__	rundll32.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	1976	rundll32.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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.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	rundll32.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	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1976	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9dc96fcf5f80c40d27f9416d74420f334bd54920547dbad8ea66463fe440d12a.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Blocklisted process makes network request
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1976

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/1976-0-0x0000000076DC0000-0x0000000076DC2000-memory.dmp

Filesize
8KB

Download
memory/1976-2-0x0000000180000000-0x00000001811D6000-memory.dmp

Filesize
17.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads