394c97cc9d567e556a357f129aea03f737cbd2a1761df32146ef69d93afc73dc

General

Target

template[1].dotm
Size

59KB
MD5

8f21756219d4e736219011174eb0534b
SHA1

4429c35b62d55abe159e130c095fc988e640f3fd
SHA256

394c97cc9d567e556a357f129aea03f737cbd2a1761df32146ef69d93afc73dc
SHA512

315e36c7fb746ed22bac49c5121c448e2b5a53741e2467d4ecacda372c0d79da50cc0d1d2b4a68f425540e1c667558293862e54ea8f9fd537485d1c327c7d3e2

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

WINWORD.EXE

pid process

4580 WINWORD.EXE

pid	process
4580	WINWORD.EXE

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	4152	4580	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4580 WINWORD.EXE
4580 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid process

4580 WINWORD.EXE
4580 WINWORD.EXE
4580 WINWORD.EXE
4580 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

4580 WINWORD.EXE
4580 WINWORD.EXE
4580 WINWORD.EXE
4580 WINWORD.EXE

pid	process
4580	WINWORD.EXE
4580	WINWORD.EXE

pid	process
4580	WINWORD.EXE
4580	WINWORD.EXE
4580	WINWORD.EXE
4580	WINWORD.EXE

pid	process
4580	WINWORD.EXE
4580	WINWORD.EXE
4580	WINWORD.EXE
4580	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 4580 wrote to memory of 4152	4580	WINWORD.EXE	DW20.EXE
PID 4580 wrote to memory of 4152	4580	WINWORD.EXE	DW20.EXE
PID 4152 wrote to memory of 4144	4152	DW20.EXE	dwwin.exe
PID 4152 wrote to memory of 4144	4152	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\template[1].dotm" /o ""
1⤵
- Loads dropped DLL
- 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:4580

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 4484
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4152

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4484
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:4144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wnitmpo.dll
Filesize
370KB

MD5
cc89c9fa4dcf4bb373891c3f20ad2f56

SHA1
5929abec0909dd895075eb6897462750711dfbb7

SHA256
0e209d2de485637df53c20c8425ff3f20af6e04a46697d80f459ec6cd36c58b7

SHA512
87b29761587bb887654e43c529740c83aa66929fa0c995403929e3ef523dc61c9a186ce4b873c43580fe703d5d0f5d65e5348bbfc81fde881f84fc22d8826209

Download Submit
memory/4144-148-0x0000000000000000-mapping.dmp

Download
memory/4152-152-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4152-151-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4152-150-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4152-149-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4152-142-0x0000000000000000-mapping.dmp

Download
memory/4580-136-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4580-140-0x00000244B0E30000-0x00000244B1330000-memory.dmp

Filesize
5.0MB

Download
memory/4580-139-0x00000244B0E20000-0x00000244B0E25000-memory.dmp

Filesize
20KB

Download
memory/4580-138-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/4580-137-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/4580-132-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4580-135-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4580-134-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4580-133-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/4580-153-0x00000244B0E20000-0x00000244B0E25000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads