5c0ae52d0eef3074b50780e70a75e955bd17af14030beb8bade1969af4f6a855

Analysis

max time kernel
145s
max time network
129s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
23-03-2023 08:14

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General

Target

5c0ae52d0eef3074b50780e70a75e955bd17af14030beb8bade1969af4f6a855.doc
Size

90KB
MD5

47eda28c62c840c4cbfecace0ba0ca78
SHA1

20678c5ca1cad6a1bcb70f7901abec8dd04722a7
SHA256

5c0ae52d0eef3074b50780e70a75e955bd17af14030beb8bade1969af4f6a855
SHA512

fad3c1e00f27df183b1dc4fb12f9fda4c40668c6eccfd11704ebc9a41c74bf53ef83cdffd2b1cfb779197a9ea5216cdd1d030fcb502cd2d4d6e6df94c76eb2e1
SSDEEP

1536:K1UK7SNq8fzKcM+IZvg9fIv6N1jKweagizfJbnsNxRV:K1UK7J+G4fNEnaxfJLKd

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-1-5-21-1283023626-844874658-3193756055-1000\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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1992 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE
1992 WINWORD.EXE

pid	process
1992	WINWORD.EXE

pid	process
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE
1992	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1992 wrote to memory of 1396	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 1396	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 1396	1992	WINWORD.EXE	splwow64.exe
PID 1992 wrote to memory of 1396	1992	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\5c0ae52d0eef3074b50780e70a75e955bd17af14030beb8bade1969af4f6a855.doc"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1396

Network

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/1992-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1992-58-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/1992-59-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download