d48afc785880d80339fba9730ed7e1ac7917dc1b7f0571969f21815b173a03ee

Analysis

max time kernel
111s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2022 22:11

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General

Target

d48afc785880d80339fba9730ed7e1ac7917dc1b7f0571969f21815b173a03ee.doc
Size

29KB
MD5

eee0f56cbd70c64420782714285d51f2
SHA1

521433783604b6b6e4025251f8ee110a8be8d694
SHA256

d48afc785880d80339fba9730ed7e1ac7917dc1b7f0571969f21815b173a03ee
SHA512

43b60f985b0eb97a07003df0efbb418c4ea143e03a7fcf557ed95b8380ecbedc506440266af83d3d7bd42e702a0051c7736f3e01b665b3aef8889ee44dc2b1c7
SSDEEP

192:Mn6HusxVW0Lu0e5Rejoh9RpkY1yHiXKCbP/z9aPX/tLVBAvd1:w8uIu0OUjoZ91yHiXKCbXJaXt8

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1332	2636	DW20.EXE	20

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

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

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

pid	Process
2636	WINWORD.EXE
2636	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2636	WINWORD.EXE
2636	WINWORD.EXE
2636	WINWORD.EXE
2636	WINWORD.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2636	WINWORD.EXE
2636	WINWORD.EXE
2636	WINWORD.EXE
2636	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 1332	2636	WINWORD.EXE	81
PID 2636 wrote to memory of 1332	2636	WINWORD.EXE	81
PID 1332 wrote to memory of 1724	1332	DW20.EXE	82
PID 1332 wrote to memory of 1724	1332	DW20.EXE	82

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\d48afc785880d80339fba9730ed7e1ac7917dc1b7f0571969f21815b173a03ee.doc" /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:2636
- 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:1332
- - 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:1724

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/1332-150-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/1332-149-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/1332-148-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/1332-147-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2636-135-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2636-139-0x0000024F6CF87000-0x0000024F6CF89000-memory.dmp

Filesize
8KB

Download
memory/2636-138-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmp

Filesize
64KB

Download
memory/2636-137-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmp

Filesize
64KB

Download
memory/2636-136-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2636-132-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2636-133-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2636-134-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download