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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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