371357b50b0b673d30e42f68d65987dd340e7eacd482c4a5fdbf0f12a2cb2bf6

General

Target

test.doc
Size

1.3MB
MD5

693df6e9f5dc0cd3ed4c6ede503ce8bc
SHA1

6cf0cdcae848f850a2c6aad0ebf1329c9801036c
SHA256

371357b50b0b673d30e42f68d65987dd340e7eacd482c4a5fdbf0f12a2cb2bf6
SHA512

b1209ffd96d58da26f629e45680b67ff851dcf080039fe0fa4be0f1e056940f5c4db274f49960ef587bb06c20ee58adc37840fcea2423405277831054480174d

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	1832	1732	rundll32.exe	WINWORD.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1732 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1732 WINWORD.EXE
1732 WINWORD.EXE
1732 WINWORD.EXE
1732 WINWORD.EXE
1732 WINWORD.EXE
1732 WINWORD.EXE
1732 WINWORD.EXE

pid	process
1732	WINWORD.EXE

pid	process
1732	WINWORD.EXE
1732	WINWORD.EXE
1732	WINWORD.EXE
1732	WINWORD.EXE
1732	WINWORD.EXE
1732	WINWORD.EXE
1732	WINWORD.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1732 wrote to memory of 1972	1732	WINWORD.EXE	splwow64.exe
PID 1732 wrote to memory of 1972	1732	WINWORD.EXE	splwow64.exe
PID 1732 wrote to memory of 1972	1732	WINWORD.EXE	splwow64.exe
PID 1732 wrote to memory of 1972	1732	WINWORD.EXE	splwow64.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe
PID 1732 wrote to memory of 1832	1732	WINWORD.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\test.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1972

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\word\jers.dll,FYUKDXFVQIE
2⤵
- Process spawned unexpected child process
PID:1832

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1732-59-0x0000000072121000-0x0000000072124000-memory.dmp

Filesize
12KB

Download
memory/1732-60-0x000000006FBA1000-0x000000006FBA3000-memory.dmp

Filesize
8KB

Download
memory/1732-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1832-64-0x0000000000000000-mapping.dmp

Download
memory/1832-65-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/1972-62-0x0000000000000000-mapping.dmp

Download
memory/1972-63-0x000007FEFB571000-0x000007FEFB573000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads