af26bff5368152b30f035ee3b33d528f481c42b50958a20b08f137789c21eaf0

Analysis

max time kernel
162s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-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�.doc
Size

407KB
MD5

9f373ff7da131074299d9e8b9340041a
SHA1

58869132f7697e5c77ae244970fc690a5f15d2e2
SHA256

3d56739501228708e26562b7ce2b9858758a4d24f2b4313973606009084c35eb
SHA512

0573bd4737a2fb0b3733521729ea93921ae4550f4eed55c8f5b40d619b2abb6382fdd299962e3d71e6fa4e16ef8f0719d82bfe7baf2b889fce4693a9b134a852
SSDEEP

384:q1A+83CorjAdnX62H001E8H0HvHvHgEe9GdO5Ox8Btosl8T2RGOh:R+ICI0pREeckThbRGO

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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

556 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

556 WINWORD.EXE
556 WINWORD.EXE

pid	process
556	WINWORD.EXE

pid	process
556	WINWORD.EXE
556	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 556 wrote to memory of 1136	556	WINWORD.EXE	splwow64.exe
PID 556 wrote to memory of 1136	556	WINWORD.EXE	splwow64.exe
PID 556 wrote to memory of 1136	556	WINWORD.EXE	splwow64.exe
PID 556 wrote to memory of 1136	556	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�.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1136

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/556-54-0x0000000072411000-0x0000000072414000-memory.dmp

Filesize
12KB

Download
memory/556-55-0x000000006FE91000-0x000000006FE93000-memory.dmp

Filesize
8KB

Download
memory/556-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/556-57-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/556-58-0x0000000070E7D000-0x0000000070E88000-memory.dmp

Filesize
44KB

Download
memory/556-61-0x0000000070E7D000-0x0000000070E88000-memory.dmp

Filesize
44KB

Download
memory/1136-59-0x0000000000000000-mapping.dmp

Download
memory/1136-60-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp

Filesize
8KB

Download