7e1ac216ac17a1f5314c06daad725cd507eb7bcddad5a568592282dac3380e21

Analysis

max time kernel
163s
max time network
190s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-10-2022 19:19

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General

Target

Oct PO.docx
Size

10KB
MD5

87d4fc7bfdbc5302d9c6986670f21b83
SHA1

a3cd5021fd0987fa1acdb9d3ef996f9930fae76c
SHA256

33dd6fafc72e99fd3b04543f51557c1fce75ad1af14deee757c561ccce208b75
SHA512

ea6ec2c36e9172ec969f210589fb3ce99029a4b9d047b049f134609bf8c7996d94d70d444e807480613d94a80e1a58d678302623c467a7936a0f5df60b588248
SSDEEP

192:ScIMmtPYqPC7UpG/bkpbJNOzGdrdlJFtGxV32RgDp:SPXgqPCfIJNOzEjJFtGxx2RI

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	1688	EQNEDT32.EXE

Abuses OpenXML format to download file from external location 2 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Common\Offline\Files\http://1806450061/uuUASDbjasduhuasduyuASHUDHUSADHUASDU/7jhjjhjhjhhggftftftftftftf.doc	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\14.0\Common	WINWORD.EXE

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
1688	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	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	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
604	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
604	WINWORD.EXE
604	WINWORD.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\Oct PO.docx"
1⤵
- Abuses OpenXML format to download file from external location
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:604

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Launches Equation Editor
PID:1688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

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/604-54-0x0000000072D41000-0x0000000072D44000-memory.dmp

Filesize
12KB

Download
memory/604-55-0x00000000707C1000-0x00000000707C3000-memory.dmp

Filesize
8KB

Download
memory/604-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/604-57-0x00000000717AD000-0x00000000717B8000-memory.dmp

Filesize
44KB

Download
memory/604-58-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/604-59-0x00000000717AD000-0x00000000717B8000-memory.dmp

Filesize
44KB

Download