6a796308ee9c3512dc9f4464a4ae609bf982162c22d094b51629cb92d5ff3f18

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 06:08

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General

Target

6a796308ee9c3512dc9f4464a4ae609bf982162c22d094b51629cb92d5ff3f18.dll
Size

804KB
MD5

815ee202a4d7ce9b426947a9507e519f
SHA1

457c2493dd275dd6d2fb9c906355cbf91c8be385
SHA256

6a796308ee9c3512dc9f4464a4ae609bf982162c22d094b51629cb92d5ff3f18
SHA512

5afc20c655dbc82b0150235ced69062c918d5eff93da25bfc03e71ffa27076e0aec71d630dbfad64dce348018a67b4d78d6c20b7011a2900fbd32a7d6a4535e6
SSDEEP

12288:N2Mb5Ll6tJZEs9XqetTFQurW+18Rmf1RYG7:Nb5L+JZTXdFVrW+Zf1OG7

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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

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	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1860	2760	rundll32.exe	82
PID 2760 wrote to memory of 1860	2760	rundll32.exe	82
PID 2760 wrote to memory of 1860	2760	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a796308ee9c3512dc9f4464a4ae609bf982162c22d094b51629cb92d5ff3f18.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a796308ee9c3512dc9f4464a4ae609bf982162c22d094b51629cb92d5ff3f18.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1860

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

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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