8c45b32a2e27c67aa39f49db3d538482ea46e054142ce5bb179a4e887682ebfd

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 14:45

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General

Target

大华录相恢复工具1[1].3(试用版).exe
Size

1.4MB
MD5

a1bd495d9220f35032963bae2f1859d4
SHA1

06fafe199d9af85fcaa18c5a003585515bf4e1e3
SHA256

0e9b0fffda19bdc762a0fce53f18649e5b5c96d60fdcfd5dbbbae57576afe73d
SHA512

34ffa0a5033890310d177047c55bb55ba00e35b9d2181449b239d3c7013e9635a23d066f118f761618425f755e34d8660f88acea572b8377491f3bb738b64778
SSDEEP

24576:C55FPb967PUUCCd3r1z2mPikcfbOdNgs3EE1D1cG5DJIQwGCtxn8GbemUsp:CzFD909Xd3Bzn2Ug6f1D1x5DJlYnmmXp

Score

6^/10

bootkit 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

Processes:

大华录相恢复工具1[1].3(试用版).exe

description ioc process

File opened for modification \??\PhysicalDrive0 大华录相恢复工具1[1].3(试用版).exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

大华录相恢复工具1[1].3(试用版).exe

pid process

3812 大华录相恢复工具1[1].3(试用版).exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	大华录相恢复工具1[1].3(试用版).exe

pid	process
3812	大华录相恢复工具1[1].3(试用版).exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
2608	3812	WerFault.exe	大华录相恢复工具1[1].3(试用版).exe
4020	3812	WerFault.exe	大华录相恢复工具1[1].3(试用版).exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

大华录相恢复工具1[1].3(试用版).exe

pid process

3812 大华录相恢复工具1[1].3(试用版).exe

pid	process
3812	大华录相恢复工具1[1].3(试用版).exe

C:\Users\Admin\AppData\Local\Temp\大华录相恢复工具1[1].3(试用版).exe
"C:\Users\Admin\AppData\Local\Temp\大华录相恢复工具1[1].3(试用版).exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 608
2⤵
- Program crash
PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 628
2⤵
- Program crash
PID:4020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3812 -ip 3812
1⤵
PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3812 -ip 3812
1⤵
PID:3312

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3812-0-0x0000000000400000-0x00000000006E4000-memory.dmp

Filesize
2.9MB

Download
memory/3812-1-0x0000000000400000-0x00000000006E4000-memory.dmp

Filesize
2.9MB

Download
memory/3812-4-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/3812-5-0x0000000000400000-0x00000000006E4000-memory.dmp

Filesize
2.9MB

Download