f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 21:18

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General

Target

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe
Size

7.7MB
MD5

2d43c0106e949e4eac945f5f0f3251c3
SHA1

4b3dfcf823efa8456aebc4edfa93b3990116a37f
SHA256

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2
SHA512

783094638e40f57b6fe84ab6f55f91bd2fb1bb68794707639424bd359e2d925b4e4b78d4d2f2930851dae707f3b77a0c3d405aab279c9b2289ffacb97c8cfea4
SSDEEP

196608:drgJGjqMEnMgvs/s7veVyzXC3xU8gM9pDEnc2yXnB967Uf:GJJMUMgveszeVwaf/XB967Uf

Score

9^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\mli717B.tmp	acprotect
C:\Users\Admin\AppData\Local\Temp\mli717B.tmp	acprotect

Loads dropped DLL 2 IoCs

Processes:

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

pid	process
1268	f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe
1268	f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.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:

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

description ioc process

File opened for modification \??\PhysicalDrive0 f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.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:

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

pid process

1268 f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe

C:\Users\Admin\AppData\Local\Temp\f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe
"C:\Users\Admin\AppData\Local\Temp\f4eed5663ed0c3adbd4699ee0391e32b30214686450048d07815aea6e83f24b2.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:1268

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

C:\Users\Admin\AppData\Local\Temp\mli717B.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\mli717B.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1268-134-0x0000000000CE0000-0x0000000000D53000-memory.dmp

Filesize
460KB

Download
memory/1268-135-0x0000000002E70000-0x000000000314E000-memory.dmp

Filesize
2.9MB

Download
memory/1268-136-0x000000000086D000-0x0000000000875000-memory.dmp

Filesize
32KB

Download
memory/1268-137-0x000000000086D000-0x0000000000875000-memory.dmp

Filesize
32KB

Download
memory/1268-138-0x0000000002E70000-0x000000000314E000-memory.dmp

Filesize
2.9MB

Download
memory/1268-139-0x0000000000CE0000-0x0000000000D53000-memory.dmp

Filesize
460KB

Download