a878b22db49535e8dfcaa7cd7b6f57372d21307a0e4028a0da1f1c8f42a63aba

Analysis

max time kernel
134s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 05:09

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General

Target

professional/ϵͳʹֲ.doc
Size

1.4MB
MD5

fb9768ee0c000c6e8e685a5648aa4b4b
SHA1

d68c6b68ee364320a05917d565e5bd416a013cb0
SHA256

50962280702c6d62479add6d5b3c0766a815a380ef2f98b9b41effdd44f084d0
SHA512

0bd2db2197a5b42a6a221f411556ab7d5ca700ac40f6a47115370a1c20458eafa9072dc5f988adfff8ae03c0db8dd185115c8b42b9efd242cb2fbba689ed8c64
SSDEEP

24576:qP6nGB7FXJ4wzZKdG4oIzsQd4hsA/UIbwrf1c77dg77k3paUQI38f:U6nGBLNzZKLdmhV/UIbwrf+77dg77k3L

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

4664 WINWORD.EXE
4664 WINWORD.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

WINWORD.EXE

pid	process
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	WINWORD.EXE
4664	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\professional\ϵͳʹֲ.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

memory/4664-132-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-133-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-134-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-135-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-136-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-137-0x00007FFDF8030000-0x00007FFDF8040000-memory.dmp

Filesize
64KB

Download
memory/4664-138-0x00007FFDF8030000-0x00007FFDF8040000-memory.dmp

Filesize
64KB

Download
memory/4664-140-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-141-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-142-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/4664-143-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download