b7c2b49bc0c9fc9ce0668e24229d18f21b18b8bf7c78bc45ffb1293e833cc0ce

Analysis

max time kernel
80s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2022 17:21

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General

Target

ncidata-document-09.26.docm
Size

866KB
MD5

c50d50d58e3806e5ce9bb75965a78c95
SHA1

e26cae6402e732bb781cf06edd02829031255e09
SHA256

b7c2b49bc0c9fc9ce0668e24229d18f21b18b8bf7c78bc45ffb1293e833cc0ce
SHA512

2a9bee4b3db815f96b85ebbc5e9b7c030cdaf26cf6b185faaf44bfd50a274bde3b21de31b0f9620166bd18dda84c2a49bd5fc14b7494aa998f83be93ea58c974
SSDEEP

12288:5VE9j2y+1JbeQbntrws6/GYzw6OFokpXfiiGef/DERpcAJWRprEDe:5V2jUeQRI5wPN/ycAc2e

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

Processes:

DW20.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	720	1676	DW20.EXE	WINWORD.EXE

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1676 WINWORD.EXE
1676 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid process

1676 WINWORD.EXE
1676 WINWORD.EXE
1676 WINWORD.EXE
1676 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

1676 WINWORD.EXE
1676 WINWORD.EXE
1676 WINWORD.EXE
1676 WINWORD.EXE

pid	process
1676	WINWORD.EXE
1676	WINWORD.EXE

pid	process
1676	WINWORD.EXE
1676	WINWORD.EXE
1676	WINWORD.EXE
1676	WINWORD.EXE

pid	process
1676	WINWORD.EXE
1676	WINWORD.EXE
1676	WINWORD.EXE
1676	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 1676 wrote to memory of 720	1676	WINWORD.EXE	DW20.EXE
PID 1676 wrote to memory of 720	1676	WINWORD.EXE	DW20.EXE
PID 720 wrote to memory of 924	720	DW20.EXE	dwwin.exe
PID 720 wrote to memory of 924	720	DW20.EXE	dwwin.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\ncidata-document-09.26.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4192
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:720
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4192
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:924

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/720-139-0x0000000000000000-mapping.dmp

Download
memory/720-148-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/720-149-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/720-147-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/720-146-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/924-145-0x0000000000000000-mapping.dmp

Download
memory/1676-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1676-138-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/1676-137-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/1676-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1676-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1676-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1676-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download