f1058f092dd9c966f86f01bd59f536418d214c52974b88e4f131e209c85496b0

Analysis

max time kernel
111s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 00:57

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General

Target

f1058f092dd9c966f86f01bd59f536418d214c52974b88e4f131e209c85496b0.doc
Size

44KB
MD5

7e49fb99396f061d685353159752c504
SHA1

e90e0efbf0718130a546014ebde025cc63e894bb
SHA256

f1058f092dd9c966f86f01bd59f536418d214c52974b88e4f131e209c85496b0
SHA512

04ed7f06b13b69b26b3970818dde21c1f79241b88f4aacfcf0d187d15fdfc569d1958aa874670453dd3dd617f9b403c0b853c73ed19325e677e306344167b7a5
SSDEEP

384:0gfA5NFqqqqqqqqCiSY5UNgiU+zxUQypL/0j9atFRr2r68c:1f2IqiU+pyFBr2r68

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
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1380 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1380 WINWORD.EXE
1380 WINWORD.EXE

pid	process
1380	WINWORD.EXE

pid	process
1380	WINWORD.EXE
1380	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1380 wrote to memory of 1660	1380	WINWORD.EXE	splwow64.exe
PID 1380 wrote to memory of 1660	1380	WINWORD.EXE	splwow64.exe
PID 1380 wrote to memory of 1660	1380	WINWORD.EXE	splwow64.exe
PID 1380 wrote to memory of 1660	1380	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\f1058f092dd9c966f86f01bd59f536418d214c52974b88e4f131e209c85496b0.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1660

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1380-60-0x0000000000599000-0x000000000059D000-memory.dmp

Filesize
16KB

Download
memory/1380-54-0x0000000072191000-0x0000000072194000-memory.dmp

Filesize
12KB

Download
memory/1380-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1380-57-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1380-58-0x0000000070BFD000-0x0000000070C08000-memory.dmp

Filesize
44KB

Download
memory/1380-59-0x0000000000599000-0x000000000059D000-memory.dmp

Filesize
16KB

Download
memory/1380-55-0x000000006FC11000-0x000000006FC13000-memory.dmp

Filesize
8KB

Download
memory/1380-61-0x0000000000599000-0x000000000059D000-memory.dmp

Filesize
16KB

Download
memory/1380-67-0x0000000070BFD000-0x0000000070C08000-memory.dmp

Filesize
44KB

Download
memory/1380-63-0x0000000070BFD000-0x0000000070C08000-memory.dmp

Filesize
44KB

Download
memory/1380-62-0x0000000000599000-0x000000000059D000-memory.dmp

Filesize
16KB

Download
memory/1380-66-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1660-65-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

Filesize
8KB

Download
memory/1660-64-0x0000000000000000-mapping.dmp

Download