37a2d1c69a388af46ea5e80ea41532b072af4eb46ec2d94a2f8111d56629ab85

General

Target

16.07.2021_SIPARIS_LISTESI.doc
Size

357KB
MD5

40ec72ee2259f55dcabe9d1fe4f54eb3
SHA1

b6ceb1158832e4a494b3bcb1d60cfad58ee25d6a
SHA256

37a2d1c69a388af46ea5e80ea41532b072af4eb46ec2d94a2f8111d56629ab85
SHA512

edbd6182df71d1d767aea46a4d4b4894653aea4ff1b398be2839d67d9aa5e6c192d026e04d1cc1756b9a9174214619993b1e22f121d2ee7d63a36f760d783e97

Score

4^/10

Malware Config

Signatures

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	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 (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\Se&nd to OneNote	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
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\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

1100 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1100 WINWORD.EXE
1100 WINWORD.EXE

pid	process
1100	WINWORD.EXE

pid	process
1100	WINWORD.EXE
1100	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1100 wrote to memory of 532	1100	WINWORD.EXE	splwow64.exe
PID 1100 wrote to memory of 532	1100	WINWORD.EXE	splwow64.exe
PID 1100 wrote to memory of 532	1100	WINWORD.EXE	splwow64.exe
PID 1100 wrote to memory of 532	1100	WINWORD.EXE	splwow64.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\16.07.2021_SIPARIS_LISTESI.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:532

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/532-64-0x0000000000000000-mapping.dmp

Download
memory/532-65-0x000007FEFBDA1000-0x000007FEFBDA3000-memory.dmp

Filesize
8KB

Download
memory/1100-60-0x00000000728A1000-0x00000000728A4000-memory.dmp

Filesize
12KB

Download
memory/1100-61-0x0000000070321000-0x0000000070323000-memory.dmp

Filesize
8KB

Download
memory/1100-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1100-63-0x00000000757D1000-0x00000000757D3000-memory.dmp

Filesize
8KB

Download
memory/1100-66-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

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