a7eede27fa6e012b1d0b670ce2b2c59d743339c02d7b9747511f72fcfb0a1b30

Analysis

max time kernel
144s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:11

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General

Target

1e0fdfa4f603c5a9950bad53e2bc6f0f.exe
Size

20KB
MD5

1e0fdfa4f603c5a9950bad53e2bc6f0f
SHA1

fd1788e34d98c6dd9797ceb86fad6935356ca75a
SHA256

a7eede27fa6e012b1d0b670ce2b2c59d743339c02d7b9747511f72fcfb0a1b30
SHA512

01e5d8f8acff929646f7d7b9fa45b07b351bd96b3481790f7c0f410b9f9de578bead7f85cff527959c892bac63af6f0f977f9ba333386686f1dd3bcd1c9bbeb3
SSDEEP

384:17EpFXYzDC9gW6zhYnGmMXjfOv1TUUVgaurMAUAyxUBv8jE+I:qHwDC36zhEMjfOv1TU8gaiNyxUBUj+

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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	IEXPLORE.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4316 set thread context of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3300	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16
PID 4316 wrote to memory of 3300	4316	1e0fdfa4f603c5a9950bad53e2bc6f0f.exe	16

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:3300

C:\Users\Admin\AppData\Local\Temp\1e0fdfa4f603c5a9950bad53e2bc6f0f.exe
"C:\Users\Admin\AppData\Local\Temp\1e0fdfa4f603c5a9950bad53e2bc6f0f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316

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/3300-3-0x0000000013140000-0x00000000131E8000-memory.dmp

Filesize
672KB

Download
memory/4316-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4316-2-0x0000000014140000-0x0000000014149000-memory.dmp

Filesize
36KB

Download
memory/4316-1-0x0000000014140000-0x0000000014149000-memory.dmp

Filesize
36KB

Download
memory/4316-5-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download