99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 10:47

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General

Target

99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe
Size

1.3MB
MD5

9a9bc12102c1665462f6869c7cf85ddb
SHA1

90beac84c32338787c567b557849da53ef196f46
SHA256

99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326
SHA512

8516e48d72ad37cfe44e152695b0bdbc9abf17235305392ff81753e26584af76b56a99da94137b0ad3cfb894d75cb9caadc8bf44f4a8c333370c75c4dcfe132d
SSDEEP

24576:4Q6B7ihDC+BoQMZ/ooUrwK9oJZfarKnW5f1rp5NFk/YLn8xo:O+LMqo3PW5f1tl8

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:

99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe

description ioc process

File opened for modification \??\PhysicalDrive0 99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe

pid	process
2896	99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe
2896	99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe

C:\Users\Admin\AppData\Local\Temp\99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe
"C:\Users\Admin\AppData\Local\Temp\99bf79200bbb8ee3f8db6a91f2c6833ed42f37f5c8da20e92257c16428908326.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
PID:2896

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2896-0-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-1-0x0000000000270000-0x0000000000273000-memory.dmp

Filesize
12KB

Download
memory/2896-2-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-3-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-4-0x0000000000270000-0x0000000000273000-memory.dmp

Filesize
12KB

Download
memory/2896-5-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-6-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-7-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-8-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-9-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-10-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-11-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-12-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-13-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-14-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-15-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download
memory/2896-16-0x0000000000400000-0x000000000091D000-memory.dmp

Filesize
5.1MB

Download