20ff0a8b7d8cc6fd89f793e9162c5cb71ecee71846026a4252e427c80c1f53a3

General

Target

49a0cf085294e33da948e1856d94d66c.doc
Size

43KB
MD5

49a0cf085294e33da948e1856d94d66c
SHA1

b3ee1dbb77d9600480b298842b82c8ce87467f5e
SHA256

20ff0a8b7d8cc6fd89f793e9162c5cb71ecee71846026a4252e427c80c1f53a3
SHA512

6855b8082ab0443d740034d4a543b4bce0cc650a36f50db2b215f0f25d3c6707a0d32df038e189acad0b1b0dedb6bff7fb573bbd810c19c711a5190851fd9f2f
SSDEEP

384:9U7rbUXtbmGhgqJ1kyGcSxwAjLT/67Sm44Y1OkhfE0jc8tySZ2:9UQXt1hgqJ1kfTsSf4OOkefNn

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	396	3120	DW20.EXE	25

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 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe
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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3120	WINWORD.EXE
3120	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE
3120	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 396	3120	WINWORD.EXE	95
PID 3120 wrote to memory of 396	3120	WINWORD.EXE	95
PID 396 wrote to memory of 3712	396	DW20.EXE	96
PID 396 wrote to memory of 3712	396	DW20.EXE	96

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\49a0cf085294e33da948e1856d94d66c.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:3120
- 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 3748
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:396
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 3748
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/396-67-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-87-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/396-90-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-91-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-88-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/396-89-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-85-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/396-86-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/396-71-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-70-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/396-69-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-8-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-6-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-28-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-35-0x0000024FA3100000-0x0000024FA40D0000-memory.dmp

Filesize
15.8MB

Download
memory/3120-61-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-62-0x0000024FA3100000-0x0000024FA40D0000-memory.dmp

Filesize
15.8MB

Download
memory/3120-11-0x00007FFEDFFB0000-0x00007FFEDFFC0000-memory.dmp

Filesize
64KB

Download
memory/3120-10-0x00007FFEDFFB0000-0x00007FFEDFFC0000-memory.dmp

Filesize
64KB

Download
memory/3120-9-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-20-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-0-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/3120-7-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/3120-5-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/3120-4-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-1-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/3120-2-0x00007FFEE2010000-0x00007FFEE2020000-memory.dmp

Filesize
64KB

Download
memory/3120-3-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download
memory/3120-92-0x00007FFF21F90000-0x00007FFF22185000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads