af26bff5368152b30f035ee3b33d528f481c42b50958a20b08f137789c21eaf0

Analysis

max time kernel
157s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 14:03

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General

Target

邱山、渠道、三株设计图纸（修编版）/三珠中桥/桥梁/三珠中桥修订稿（存档）/P1~7桥梁说明.doc
Size

2.7MB
MD5

8f5e7163c74e4a758743757f9ef13993
SHA1

218170d76017ce23dd349350e43d41540464dc7c
SHA256

4406ae4c8f2b03c774bd1df962dcdc2d6e478b4bf263beb1d00cdb993c8107bb
SHA512

cb9a906c3874791ce6ae84df1ee6e3bb41534e26b18ccf21bd8fa0bd78cc78a5d29a7535543b0622ed5d2b478025ad5fc092abb5c84a03723f85df0619e77a5d
SSDEEP

49152:P9/Temow3X/UVzAlEZhUoNnfS8YnD9lERWOKIV5jy9:U7EqMgGo9aplTO7NA

Score

1^/10

Malware Config

Signatures

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

944 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

944 WINWORD.EXE
944 WINWORD.EXE

pid	process
944	WINWORD.EXE

pid	process
944	WINWORD.EXE
944	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 944 wrote to memory of 1240	944	WINWORD.EXE	splwow64.exe
PID 944 wrote to memory of 1240	944	WINWORD.EXE	splwow64.exe
PID 944 wrote to memory of 1240	944	WINWORD.EXE	splwow64.exe
PID 944 wrote to memory of 1240	944	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\邱山、渠道、三株设计图纸（修编版）\三珠中桥\桥梁\三珠中桥修订稿（存档）\P1~7桥梁说明.doc"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1240

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/944-54-0x0000000072F51000-0x0000000072F54000-memory.dmp

Filesize
12KB

Download
memory/944-55-0x00000000709D1000-0x00000000709D3000-memory.dmp

Filesize
8KB

Download
memory/944-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/944-57-0x00000000719BD000-0x00000000719C8000-memory.dmp

Filesize
44KB

Download
memory/944-58-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/944-59-0x00000000719BD000-0x00000000719C8000-memory.dmp

Filesize
44KB

Download
memory/1240-60-0x0000000000000000-mapping.dmp

Download
memory/1240-61-0x000007FEFC3B1000-0x000007FEFC3B3000-memory.dmp

Filesize
8KB

Download