a9bf119619e2f4679faef45b00a071a7bfb1b194899011770bc22e6b313c3378

General

Target

416a8fa11d55a943aeb9516dfea4a66c.docx
Size

16KB
MD5

416a8fa11d55a943aeb9516dfea4a66c
SHA1

c9d2f38511acdb9737ffecd982b6891da774103d
SHA256

a9bf119619e2f4679faef45b00a071a7bfb1b194899011770bc22e6b313c3378
SHA512

cc2762ac2d2ffbd0d9887e4a582749d823c1293820191d60fb53f86e8be1305528bb782e7f62502544e2af55d0a16cc854b29adb30f8560ee03a11bf04d5235f

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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1880 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1880 WINWORD.EXE
1880 WINWORD.EXE

pid	process
1880	WINWORD.EXE

pid	process
1880	WINWORD.EXE
1880	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1880 wrote to memory of 756	1880	WINWORD.EXE	splwow64.exe
PID 1880 wrote to memory of 756	1880	WINWORD.EXE	splwow64.exe
PID 1880 wrote to memory of 756	1880	WINWORD.EXE	splwow64.exe
PID 1880 wrote to memory of 756	1880	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\416a8fa11d55a943aeb9516dfea4a66c.docx"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1880

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:756

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/756-62-0x0000000000000000-mapping.dmp

Download
memory/756-63-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

Filesize
8KB

Download
memory/1880-59-0x0000000072CD1000-0x0000000072CD4000-memory.dmp

Filesize
12KB

Download
memory/1880-60-0x0000000070751000-0x0000000070753000-memory.dmp

Filesize
8KB

Download
memory/1880-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1880-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

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