1d2674caf64e140bf0f5839e1e4e9b07682faf8de1fba825578d092dfaa81c6f

Analysis

max time kernel
38s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 21:17

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General

Target

1d2674caf64e140bf0f5839e1e4e9b07682faf8de1fba825578d092dfaa81c6f.dll
Size

272KB
MD5

0b10ce6b9150c5d57a30dca758f81bb7
SHA1

a6cccd890e612cea7865c9c4776a92372510d274
SHA256

1d2674caf64e140bf0f5839e1e4e9b07682faf8de1fba825578d092dfaa81c6f
SHA512

9ae915d8b089edc0ca82842e34beb6684a4e8cd32022484d317985e36fbbe58fdcbb9942889ecc63dbb8a1b8193c5883f66cec369f703a8f748202dc3f687fbe
SSDEEP

3072:U4s8Ktl09idocdL9NGqtw0Umh8eq+qELoPnhUaFPmgRMNlPTGQQm6ytwZEsrYkKy:+l00RKzedi98gWNlPTGQQm6agrd0eh

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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19
PID 1628 wrote to memory of 1988	1628	rundll32.exe	19

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d2674caf64e140bf0f5839e1e4e9b07682faf8de1fba825578d092dfaa81c6f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d2674caf64e140bf0f5839e1e4e9b07682faf8de1fba825578d092dfaa81c6f.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1988-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1988-56-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/1988-57-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/1988-60-0x00000000007A0000-0x00000000007A3000-memory.dmp

Filesize
12KB

Download
memory/1988-59-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/1988-58-0x00000000006E0000-0x0000000000723000-memory.dmp

Filesize
268KB

Download