65d073da0d265b9b8e4f4284e7850af051908289158877168214cf25e3bc8461

General

Target

65d073da0d265b9b8e4f4284e7850af051908289158877168214cf25e3bc8461.doc
Size

43KB
MD5

ce9d441c46ef4168488bb38148974c33
SHA1

d5b1a13e8be4b770fabcf4278d5adf69b1562a0d
SHA256

65d073da0d265b9b8e4f4284e7850af051908289158877168214cf25e3bc8461
SHA512

c737b91150d5608bba2abd7c8bb829ec870d4aba249e61b2b213cd51b682558c3de2bd5864f49549dc0b2397264616ae43ff8d638252222d4b45dfb35d4d728b
SSDEEP

384:Cg8iSwvxjk+txZEF+pek/iEVd8sfR3rGscsd71I5KA0j4/ItSzY:CGxw+t4F+pekq6d/fhrGsceIZ3/nY

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	4384	820	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 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

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

Processes:

WINWORD.EXE

pid process

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

Processes:

WINWORD.EXE

pid process

820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE

pid	process
820	WINWORD.EXE
820	WINWORD.EXE

pid	process
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE

pid	process
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 820 wrote to memory of 4384	820	WINWORD.EXE	DW20.EXE
PID 820 wrote to memory of 4384	820	WINWORD.EXE	DW20.EXE
PID 4384 wrote to memory of 2708	4384	DW20.EXE	dwwin.exe
PID 4384 wrote to memory of 2708	4384	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\65d073da0d265b9b8e4f4284e7850af051908289158877168214cf25e3bc8461.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:820

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 4456
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4384

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4456
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:2708

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/820-14-0x00007FFEC5640000-0x00007FFEC5650000-memory.dmp

Filesize
64KB

Download
memory/820-4-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/820-15-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-3-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/820-5-0x00007FFF07BAD000-0x00007FFF07BAE000-memory.dmp

Filesize
4KB

Download
memory/820-2-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/820-6-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-8-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-7-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-9-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-11-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-12-0x00007FFEC5640000-0x00007FFEC5650000-memory.dmp

Filesize
64KB

Download
memory/820-10-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-13-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-62-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-0-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/820-16-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-17-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-21-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-20-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-19-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-18-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-40-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-41-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-42-0x00007FFF07B10000-0x00007FFF07D05000-memory.dmp

Filesize
2.0MB

Download
memory/820-1-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/4384-59-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/4384-61-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/4384-60-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download
memory/4384-58-0x00007FFEC7B90000-0x00007FFEC7BA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads