cd43f843b08ce09323cc6f4395dbc1101f69f6d969311fa97266332763b96f22

Analysis

max time kernel
91s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 07:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cd43f843b08ce09323cc6f4395dbc1101f69f6d969311fa97266332763b96f22.dll
Size

560KB
MD5

0a01f7b6a2c61d0c5d954b6356e410c0
SHA1

8ad74235d121ebee894dab82358a83cd8f043271
SHA256

cd43f843b08ce09323cc6f4395dbc1101f69f6d969311fa97266332763b96f22
SHA512

7a9e8b06320113fc3351c29ae4db73da22a9a5c9b889f34a5f262cd57561e9fb26040712189d9f4cdc6db667180a1999179414a8f14805d386e35aab2e2dbc6f
SSDEEP

12288:m9xyvwOR31YEWc/T6HHr6FMNiuhHpOBksE8lvyjLHRJJpHIz+TSFw2zUrIa4Xwe:qer1YXUOHL6FG6wzJbTm9z0Qwe

Score

9^/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/0x0001000000022e6a-133.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1664	rundll32.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

T1067

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1664	rundll32.exe
1664	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1664	rundll32.exe
1664	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 1664	796	rundll32.exe	81
PID 796 wrote to memory of 1664	796	rundll32.exe	81
PID 796 wrote to memory of 1664	796	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd43f843b08ce09323cc6f4395dbc1101f69f6d969311fa97266332763b96f22.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd43f843b08ce09323cc6f4395dbc1101f69f6d969311fa97266332763b96f22.dll,#1
  2⤵
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1664

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\V220070411.EPE

Filesize
479KB

MD5
38332c2fb4f2c767ec9fba9ccc1e56ef

SHA1
d554b19be46912b9594169f745e7e3f91b008f97

SHA256
200686d518e3a034babe94968bcf2bfd86ec40d0df505a1877501306477522c6

SHA512
70362e97136e5861f13da5eacd359e8f4df4c0f61be18a138333fdce428a12c16507a3f97a6491839064d7e746ea5de857051a127c4c10609a726f32bf0a141e

Download Submit
memory/1664-132-0x0000000000000000-mapping.dmp

Download
memory/1664-134-0x0000000010000000-0x00000000100D0000-memory.dmp

Filesize
832KB

Download
memory/1664-135-0x0000000071120000-0x0000000071261000-memory.dmp

Filesize
1.3MB

Download