fd15363835636b0455cd31ed7860dfbc3d06b14cc172e02d68afd26f3962a10f

General

Target

fd15363835636b0455cd31ed7860dfbc3d06b14cc172e02d68afd26f3962a10f.doc
Size

62KB
MD5

8cf2a878780f9f16e7dd5ce997ee9a97
SHA1

0f5c26827acc179f7619b847a21de4e63b7bddce
SHA256

fd15363835636b0455cd31ed7860dfbc3d06b14cc172e02d68afd26f3962a10f
SHA512

e0ba84a3667ee46a042b167a624dcf3c14c2de28cba94dcba1afb6f035c6b52eddeec26a02fff4e2b4ef1ed9fea330169a302d979b7563c37db7903354e1b13d
SSDEEP

768:8ooSooooUatoXoooonooqoooUoooooIooUpJcaUitGAlmrJpmxlzC+w99NBD3y6L:QptJlmrJpmxlRw99NB7yZhERepNiqwC

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	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2324	1660	DW20.EXE	81

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\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

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
1660	WINWORD.EXE
1660	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid	Process
1660	WINWORD.EXE
1660	WINWORD.EXE
1660	WINWORD.EXE
1660	WINWORD.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid	Process
1660	WINWORD.EXE
1660	WINWORD.EXE
1660	WINWORD.EXE
1660	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	Process	procid_target
PID 1660 wrote to memory of 2324	1660	WINWORD.EXE	84
PID 1660 wrote to memory of 2324	1660	WINWORD.EXE	84
PID 2324 wrote to memory of 4856	2324	DW20.EXE	86
PID 2324 wrote to memory of 4856	2324	DW20.EXE	86

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\fd15363835636b0455cd31ed7860dfbc3d06b14cc172e02d68afd26f3962a10f.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:1660
- 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 4572
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4572
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4856

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/1660-12-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-50-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-0-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/1660-4-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/1660-1-0x00007FFD4010D000-0x00007FFD4010E000-memory.dmp

Filesize
4KB

Download
memory/1660-5-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-6-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-8-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-10-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-14-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-2-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/1660-3-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/1660-11-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-9-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-15-0x00007FFCFE090000-0x00007FFCFE0A0000-memory.dmp

Filesize
64KB

Download
memory/1660-7-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/1660-28-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-25-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/1660-13-0x00007FFCFE090000-0x00007FFCFE0A0000-memory.dmp

Filesize
64KB

Download
memory/2324-49-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/2324-48-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/2324-47-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download
memory/2324-46-0x00007FFD000F0000-0x00007FFD00100000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads