03a38d4de7132a935a3d776fcfb0cf458bdef0ee3f544c25f9b546315fc66c48

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 15:33

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General

Target

8f833a67164c441c989b861b86ec4e72.exe
Size

2.0MB
MD5

8f833a67164c441c989b861b86ec4e72
SHA1

2c0cabe9cf1ae8a66d0c15e8f66aebd7391710f4
SHA256

03a38d4de7132a935a3d776fcfb0cf458bdef0ee3f544c25f9b546315fc66c48
SHA512

07c034ffc8d334b6bf0fb88cb3137796457157f8bde6f57ca0ae5ed499337cf9b573c65749b4b298cc4c60d6c956670ff777b07ac7070405b240d307147746cc
SSDEEP

49152:oevLOCzg2G79RQ1bROiwIaC4njT1iXz7Shepx+6LST9u:onygfpRiROi1aC4njpOz7SAG6LI9u

Score

7^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000023209-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2020	8f833a67164c441c989b861b86ec4e72.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	8f833a67164c441c989b861b86ec4e72.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2020	8f833a67164c441c989b861b86ec4e72.exe
2020	8f833a67164c441c989b861b86ec4e72.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	8f833a67164c441c989b861b86ec4e72.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2020	8f833a67164c441c989b861b86ec4e72.exe
2020	8f833a67164c441c989b861b86ec4e72.exe

C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe
"C:\Users\Admin\AppData\Local\Temp\8f833a67164c441c989b861b86ec4e72.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2020

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\V220080618.EPE

Filesize
488KB

MD5
f911db2a58f65c928c6476c7963c6a66

SHA1
4a457c0daf5557287ef3fa10085daf1b1d451132

SHA256
f45c16103eb275a1ebec159c021fe60fa42d0105535a995a7ddf9e8417ddb364

SHA512
2c1c04951aefb5352acccad7e8bf786113b59808f7ba79d904cabaac84d928d04e5f4c1cdc739630a1304ce065474d41a35ef38838e9058a6f6e6ee4e3550679

Download Submit
memory/2020-0-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2020-2-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2020-3-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/2020-5-0x0000000000F80000-0x0000000000F90000-memory.dmp

Filesize
64KB

Download
memory/2020-6-0x0000000002910000-0x0000000002911000-memory.dmp

Filesize
4KB

Download
memory/2020-19-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2020-20-0x0000000071120000-0x0000000071268000-memory.dmp

Filesize
1.3MB

Download
memory/2020-21-0x0000000007470000-0x0000000007985000-memory.dmp

Filesize
5.1MB

Download
memory/2020-25-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/2020-26-0x0000000002910000-0x0000000002911000-memory.dmp

Filesize
4KB

Download