9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1

Analysis

max time kernel
172s
max time network
36s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:20

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General

Target

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe
Size

9.5MB
MD5

3867ae2728ec7bba412f1a32228f9aff
SHA1

f3e10e156789fa8b854c1bfa86b510efdf9bd3ed
SHA256

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1
SHA512

1e9169901b6f8454080b2b6d16583d2932e246ab681d9ebe8ef4f941a7f73c9a43f77b192ddc9ea7e7d7e84b1a66780e9118349e9b217def262125b2067b1513
SSDEEP

196608:1rgJGjqMEnMgvs/s7veVyDXH9jK9rZteEGPpsE3QcrmKqsL9ciHslv1XGzooDzJ:eJJMUMgveszeVgtWB2EqpsE3Jr4sLGKl

Score

9^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\fak436.tmp	acprotect

Loads dropped DLL 1 IoCs

Processes:

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

pid process

1380 9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.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

Processes:

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

description ioc process

File opened for modification \??\PhysicalDrive0 9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

pid	process
1380	9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

pid process

1380 9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

pid	process
1380	9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe

C:\Users\Admin\AppData\Local\Temp\9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe
"C:\Users\Admin\AppData\Local\Temp\9e7a415a73970f78bf50e682c8a34632a5a809011131d27482781201a70a1ad1.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:1380

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4bc
1⤵
PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\fak436.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1380-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1380-56-0x0000000000220000-0x0000000000293000-memory.dmp

Filesize
460KB

Download
memory/1380-57-0x0000000003300000-0x00000000035DE000-memory.dmp

Filesize
2.9MB

Download
memory/1380-58-0x0000000000878000-0x0000000000889000-memory.dmp

Filesize
68KB

Download
memory/1380-59-0x0000000003300000-0x00000000035DE000-memory.dmp

Filesize
2.9MB

Download
memory/1380-60-0x0000000000220000-0x0000000000293000-memory.dmp

Filesize
460KB

Download