c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02-10-2022 23:08

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General

Target

c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe
Size

718KB
MD5

0084073aa961009acc31a774a1100d64
SHA1

208140392dd307a5e0ea9d29f819337f42d3c664
SHA256

c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97
SHA512

1f6f9a7f54912d66981c1be15aee677f71d81ca4eea09602f47b8bc159fa9d224084881e9fe8bed47693e6fa7340aa8fc0571332db0187169967d75c621989a2
SSDEEP

12288:BHsyQUsPDva0dT+xJqKoJcbombRWDFt0OtEk/kfOJ5YBos6Yt4KopUBlM:pyUsa8MJqKg6fWnLqAaobYtSUBe

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:

c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2032 1348 WerFault.exe c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe

pid	pid_target	process	target process
2032	1348	WerFault.exe	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe

description	pid	process	target process
PID 1348 wrote to memory of 2032	1348	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe	WerFault.exe
PID 1348 wrote to memory of 2032	1348	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe	WerFault.exe
PID 1348 wrote to memory of 2032	1348	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe	WerFault.exe
PID 1348 wrote to memory of 2032	1348	c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe
"C:\Users\Admin\AppData\Local\Temp\c6906715f3e95662add76542b0d9cbda28bce87c9ab73d2c869bae6d5df9bd97.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 296
2⤵
- Program crash
PID:2032

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/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/2032-55-0x0000000000000000-mapping.dmp

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