cfaf0a949a71ada54af11b81354abb914a0bc8500de9836cb568b011abda1e6b

Analysis

max time kernel
118s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2022 16:05

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General

Target

1試務公告/111試務公告odt.odt
Size

24KB
MD5

9a68bc659150410fad5e6d03c2a5dbb6
SHA1

1f317a09829a5b5627c30e24f3788d594a7be3fb
SHA256

c64f59e58c78461acc1477020200ed74200be8f20243fc6063941e523c3b5a10
SHA512

638f58c4e93c93ddb343d931a662ada3c4fda74c99422c6ec284620bbc9b657df302237a27b48319a3e602696568ab4fbac229d5fa201c8c8e5d89e5f81560e8
SSDEEP

768:rQ3mSmPEpbBOvqJZOKzuDNmgA2eZ0UuBrgWk/aYN6W:rQ3TgER4vKiMb2eBdWk/aYNz

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4072 WINWORD.EXE
4072 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE
4072	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\1試務公告\111試務公告odt.odt"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4072

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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

memory/4072-133-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-134-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-135-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-136-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-137-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-138-0x00007FF811570000-0x00007FF811580000-memory.dmp

Filesize
64KB

Download
memory/4072-139-0x00007FF811570000-0x00007FF811580000-memory.dmp

Filesize
64KB

Download
memory/4072-141-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-142-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-143-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4072-144-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download