4a6265cc235f6668cd1cba239d4196b62b33d30176861f0d3a7a841046cef318

General

Target

contract proposal.docx
Size

12KB
MD5

82a3807e11cea27d7f77b6199ec3f7e1
SHA1

0ecb1a86420e8b8edcdfb6f02f656ecfe0f9d11f
SHA256

4a6265cc235f6668cd1cba239d4196b62b33d30176861f0d3a7a841046cef318
SHA512

756984981916d95267aa49c64a9620b12c36eaa69558e5762f24c355b13cc3522c3238ba966a7cb961a94971ff57517ce499c1ab9821182bd6fd934bf0b5a9bd

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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

108 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

108 WINWORD.EXE
108 WINWORD.EXE

pid	process
108	WINWORD.EXE

pid	process
108	WINWORD.EXE
108	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 108 wrote to memory of 1168	108	WINWORD.EXE	splwow64.exe
PID 108 wrote to memory of 1168	108	WINWORD.EXE	splwow64.exe
PID 108 wrote to memory of 1168	108	WINWORD.EXE	splwow64.exe
PID 108 wrote to memory of 1168	108	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\contract proposal.docx"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:108

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1168

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/108-60-0x0000000072651000-0x0000000072654000-memory.dmp

Filesize
12KB

Download
memory/108-61-0x00000000700D1000-0x00000000700D3000-memory.dmp

Filesize
8KB

Download
memory/108-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/108-63-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Filesize
8KB

Download
memory/1168-64-0x0000000000000000-mapping.dmp

Download
memory/1168-65-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

Filesize
8KB

Download

Analysis

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