6ded32aa3d1f387da983270faf43302c34062d2e7acb7dd640bc00a4a075bee9

Analysis

max time kernel
34s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 02:59

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General

Target

6ded32aa3d1f387da983270faf43302c34062d2e7acb7dd640bc00a4a075bee9.dll
Size

4.9MB
MD5

96477867eff583e877c03a1c8e7a1204
SHA1

186a1ad525f043936d2733bbe069392be3057a23
SHA256

6ded32aa3d1f387da983270faf43302c34062d2e7acb7dd640bc00a4a075bee9
SHA512

2c4466965d80ef8f87ff85c563c0d0760553038ce65354b3eb2f9b804afd92335e1b231bf91d13986cc73617dd9d52080f855dc7b9430ea5c0d7c32a2d64e5ea
SSDEEP

98304:M5Bw2Bzx0k9/BZXxkIWPG1f5e7aU2Sz9NwrZZ:ABl0sBZBkIvhe7aUnNK

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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

996 1964 WerFault.exe rundll32.exe

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

pid	pid_target	process	target process
996	1964	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1964	1956	rundll32.exe	rundll32.exe
PID 1964 wrote to memory of 996	1964	rundll32.exe	WerFault.exe
PID 1964 wrote to memory of 996	1964	rundll32.exe	WerFault.exe
PID 1964 wrote to memory of 996	1964	rundll32.exe	WerFault.exe
PID 1964 wrote to memory of 996	1964	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ded32aa3d1f387da983270faf43302c34062d2e7acb7dd640bc00a4a075bee9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ded32aa3d1f387da983270faf43302c34062d2e7acb7dd640bc00a4a075bee9.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 464
3⤵
- Program crash
PID:996

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/996-56-0x0000000000000000-mapping.dmp

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memory/1964-54-0x0000000000000000-mapping.dmp

Download
memory/1964-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

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