c6878f40ed052d5ccd88692fe2c31a1c0cca5ed0a96f4e8e7ed0fc24ae8594a0

Analysis

max time kernel
45s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 11:56

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General

Target

c6878f40ed052d5ccd88692fe2c31a1c0cca5ed0a96f4e8e7ed0fc24ae8594a0.dll
Size

140KB
MD5

8fedbe7699821f8deb90edfd183f43ed
SHA1

8d16c9a76e99ee0eeb11b72dda0fc0d98a89b7f1
SHA256

c6878f40ed052d5ccd88692fe2c31a1c0cca5ed0a96f4e8e7ed0fc24ae8594a0
SHA512

a49d6e3042561bab7b592828f46438e1b06b82ecca7e3feb5a078eb5b070533b16e4c54c5d3d8c1a406ff943c99578696e5bf7a660ce7519789d84c020d030fd
SSDEEP

3072:wp8UaFPmgRMNlPTGQQm6ytwZEsrYkK4m:wa98gWNlPTGQQm6agrdm

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 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28
PID 1896 wrote to memory of 1932	1896	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6878f40ed052d5ccd88692fe2c31a1c0cca5ed0a96f4e8e7ed0fc24ae8594a0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6878f40ed052d5ccd88692fe2c31a1c0cca5ed0a96f4e8e7ed0fc24ae8594a0.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  PID:1932

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/1932-55-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1932-56-0x0000000010000000-0x000000001002F000-memory.dmp

Filesize
188KB

Download
memory/1932-57-0x0000000000200000-0x0000000000243000-memory.dmp

Filesize
268KB

Download