23b9a20a59041fc7d484957e49ffa7e0f6dba7dbbec0628a4adb69c2e05863ab

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 15:26

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General

Target

cnewton doc 08.11.2022.docm
Size

2.2MB
MD5

ee1d6eb5b07b99e65fc0cb477193c35c
SHA1

9d4dbf701c8ede93a79036dd5a0316da988a2eeb
SHA256

23b9a20a59041fc7d484957e49ffa7e0f6dba7dbbec0628a4adb69c2e05863ab
SHA512

869cdd01eb85cd12a1a27dc0099250e4fb33b3ed72a7e0375e80206b07b01aaff108ede1626de99f29c9a7cbc7524a4e4947b976be2e392b2d777c8df1fc54fc

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

WerFault.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3760	5012	WerFault.exe	WINWORD.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3760 5012 WerFault.exe WINWORD.EXE

pid	pid_target	process	target process
3760	5012	WerFault.exe	WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5012 WINWORD.EXE
5012 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

5012 WINWORD.EXE
5012 WINWORD.EXE
5012 WINWORD.EXE
5012 WINWORD.EXE

pid	process
5012	WINWORD.EXE
5012	WINWORD.EXE

pid	process
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	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\cnewton doc 08.11.2022.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5012

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 5012 -s 4304
2⤵
- Process spawned unexpected child process
- Program crash
PID:3760

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 444 -p 5012 -ip 5012
1⤵
PID:1332

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/5012-131-0x00007FFA3A5F0000-0x00007FFA3A600000-memory.dmp

Filesize
64KB

Download
memory/5012-130-0x00007FFA3A5F0000-0x00007FFA3A600000-memory.dmp

Filesize
64KB

Download
memory/5012-132-0x00007FFA3A5F0000-0x00007FFA3A600000-memory.dmp

Filesize
64KB

Download
memory/5012-133-0x00007FFA3A5F0000-0x00007FFA3A600000-memory.dmp

Filesize
64KB

Download
memory/5012-134-0x00007FFA3A5F0000-0x00007FFA3A600000-memory.dmp

Filesize
64KB

Download
memory/5012-135-0x00007FFA37F00000-0x00007FFA37F10000-memory.dmp

Filesize
64KB

Download
memory/5012-136-0x00007FFA37F00000-0x00007FFA37F10000-memory.dmp

Filesize
64KB

Download
memory/5012-137-0x000001E98F950000-0x000001E98FB33000-memory.dmp

Filesize
1.9MB

Download
memory/5012-138-0x000001E98F390000-0x000001E98F486000-memory.dmp

Filesize
984KB

Download