a3835426291b5fe7599caf12b7ce9f7ecc98e49f386b8280474f068e671aea27

Analysis

max time kernel
123s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2023, 13:54

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General

Target

A3835426291B5FE7599CAF12B7CE9F7ECC98E49F386B8280474F068E671AEA27.rtf
Size

31KB
MD5

583df79ac312ae06a3a92c86e2f97c94
SHA1

f97d480c3051ae5f5e7463857e4e0c35d8928b12
SHA256

a3835426291b5fe7599caf12b7ce9f7ecc98e49f386b8280474f068e671aea27
SHA512

029b58af6229f831c2e4f0796efd85ce2fd9665003cbfbb237d04548f5c5568ff0b5ff8d2aefc1492123c7f504c6e854d9370f639493e9e5998d6a9bb76269f9
SSDEEP

768:rfFx0XaIsnPRIa4fwJMdYkI849XuJaadQyve5:rff0Xvx3EMBI84tunPve5

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

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

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

pid	Process
4152	WINWORD.EXE
4152	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	WINWORD.EXE
4152	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\A3835426291B5FE7599CAF12B7CE9F7ECC98E49F386B8280474F068E671AEA27.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4152

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/4152-133-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-134-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-135-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-136-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-137-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-138-0x00007FFCF9860000-0x00007FFCF9870000-memory.dmp

Filesize
64KB

Download
memory/4152-139-0x00007FFCF9860000-0x00007FFCF9870000-memory.dmp

Filesize
64KB

Download
memory/4152-169-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-170-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-171-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download
memory/4152-172-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads