cadf2f0c5b6417d4cf1948604786a0172c857a53ef34d48d11fe9b15d1b77681

Analysis

max time kernel
143s
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
21-11-2022 11:00

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General

Target

cadf2f0c5b6417d4cf1948604786a0172c857a53ef34d48d11fe9b15d1b77681.docm
Size

236KB
MD5

d7afc6af4da8d991f27e3e83eccbf78b
SHA1

c52899c516331e3ea9b7a67acdf6c9fd2fe9d4c0
SHA256

cadf2f0c5b6417d4cf1948604786a0172c857a53ef34d48d11fe9b15d1b77681
SHA512

d28da7573df303fc40517ca363b5385cf97c5a217846a8c427a07241fa2536dc26e61c2d1f5bb952cf98f38b7cf08112eb0e3067bcd22c8a3fdbaf9a6bcfc3ce
SSDEEP

6144:l/QSd0FweydxRkthhWgqwbu22qk1F/6xDuocEkmkt:q1OeoxefhW1wa22zd/ckt

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

716 WINWORD.EXE
716 WINWORD.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

716 WINWORD.EXE
716 WINWORD.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

Processes:

WINWORD.EXE

pid	process
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE
716	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 716 wrote to memory of 2388	716	WINWORD.EXE	splwow64.exe
PID 716 wrote to memory of 2388	716	WINWORD.EXE	splwow64.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\cadf2f0c5b6417d4cf1948604786a0172c857a53ef34d48d11fe9b15d1b77681.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:716

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2388

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/716-138-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

Filesize
64KB

Download
memory/716-133-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-134-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-135-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-136-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-137-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

Filesize
64KB

Download
memory/716-132-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-139-0x0000026F1FBC0000-0x0000026F1FBC4000-memory.dmp

Filesize
16KB

Download
memory/716-142-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-143-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-144-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/716-145-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2388-140-0x0000000000000000-mapping.dmp

Download