c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e

Analysis

max time kernel
287s
max time network
311s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:57

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General

Target

c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe
Size

226KB
MD5

0d9be9a0347fa5660515832b75cef4ab
SHA1

4c157696e26cdfb302a7b92ac6f2e3d06a425540
SHA256

c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e
SHA512

4eacb3f82a9ff17742af46a9ec56d4552e7649e01290812ab41d36e4131cdc2054a4abce70f37c0b2d504c0a453893e51301c0b71fda2882440db681d4d1d4dd
SSDEEP

6144:vUt5tIAM25GTqY91lOiPAdjDmeDmpjp6wQfLieA9OR2:MRM2kT1KmAxDG6xLfA9O

Score

8^/10

bootkit discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

C4DD.tmpCB37.tmp

pid process

1688 C4DD.tmp
4816 CB37.tmp
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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:

c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exeC4DD.tmpCB37.tmp

pid process

4020 c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe
1688 C4DD.tmp
4816 CB37.tmp

pid	process
1688	C4DD.tmp
4816	CB37.tmp

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe

pid	process
4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe
1688	C4DD.tmp
4816	CB37.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe

description	pid	process	target process
PID 4020 wrote to memory of 1688	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	C4DD.tmp
PID 4020 wrote to memory of 1688	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	C4DD.tmp
PID 4020 wrote to memory of 1688	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	C4DD.tmp
PID 4020 wrote to memory of 4816	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	CB37.tmp
PID 4020 wrote to memory of 4816	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	CB37.tmp
PID 4020 wrote to memory of 4816	4020	c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe	CB37.tmp

C:\Users\Admin\AppData\Local\Temp\c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe
"C:\Users\Admin\AppData\Local\Temp\c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4020

C:\Users\Admin\AppData\Local\Temp\C4DD.tmp
C:\Users\Admin\AppData\Local\Temp\C4DD.tmp \888x
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1688

C:\Users\Admin\AppData\Local\Temp\CB37.tmp
C:\Users\Admin\AppData\Local\Temp\CB37.tmp \555x
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\C4DD.tmp

Filesize
226KB

MD5
0d9be9a0347fa5660515832b75cef4ab

SHA1
4c157696e26cdfb302a7b92ac6f2e3d06a425540

SHA256
c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e

SHA512
4eacb3f82a9ff17742af46a9ec56d4552e7649e01290812ab41d36e4131cdc2054a4abce70f37c0b2d504c0a453893e51301c0b71fda2882440db681d4d1d4dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\C4DD.tmp

Filesize
226KB

MD5
0d9be9a0347fa5660515832b75cef4ab

SHA1
4c157696e26cdfb302a7b92ac6f2e3d06a425540

SHA256
c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e

SHA512
4eacb3f82a9ff17742af46a9ec56d4552e7649e01290812ab41d36e4131cdc2054a4abce70f37c0b2d504c0a453893e51301c0b71fda2882440db681d4d1d4dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\CB37.tmp

Filesize
226KB

MD5
0d9be9a0347fa5660515832b75cef4ab

SHA1
4c157696e26cdfb302a7b92ac6f2e3d06a425540

SHA256
c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e

SHA512
4eacb3f82a9ff17742af46a9ec56d4552e7649e01290812ab41d36e4131cdc2054a4abce70f37c0b2d504c0a453893e51301c0b71fda2882440db681d4d1d4dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\CB37.tmp

Filesize
226KB

MD5
0d9be9a0347fa5660515832b75cef4ab

SHA1
4c157696e26cdfb302a7b92ac6f2e3d06a425540

SHA256
c451a6d173831b920ead395689ad90dfd397abb082535c72e4176af9a7eb576e

SHA512
4eacb3f82a9ff17742af46a9ec56d4552e7649e01290812ab41d36e4131cdc2054a4abce70f37c0b2d504c0a453893e51301c0b71fda2882440db681d4d1d4dd

Download Submit
memory/1688-134-0x0000000000000000-mapping.dmp

Download
memory/1688-139-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1688-140-0x0000000002150000-0x0000000002188000-memory.dmp

Filesize
224KB

Download
memory/1688-145-0x0000000002150000-0x0000000002188000-memory.dmp

Filesize
224KB

Download
memory/4020-133-0x0000000000790000-0x00000000007C8000-memory.dmp

Filesize
224KB

Download
memory/4020-132-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4020-141-0x0000000000790000-0x00000000007C8000-memory.dmp

Filesize
224KB

Download
memory/4816-137-0x0000000000000000-mapping.dmp

Download
memory/4816-143-0x00000000029E0000-0x0000000002A18000-memory.dmp

Filesize
224KB

Download
memory/4816-144-0x00000000029E0000-0x0000000002A18000-memory.dmp

Filesize
224KB

Download