dd3f16d98fa14d7e5fb83b3917ff3a42a5cf74356c4ec46391b608b20355d5fe

Resubmissions

12-11-2020 12:07

201112-keb1s2rlks 8

10-11-2020 16:52

201110-ehg2tshqhs 8

10-11-2020 16:43

201110-n56ab371rj 8

Analysis

max time kernel
135s
max time network
136s
platform
windows7_x64
resource
win7v20201028
submitted
12-11-2020 12:07

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General

Target

dd3f16d98fa14d7e5fb83b3917ff3a42a5cf74356c4ec46391b608b20355d5fe(1).doc
Size

1.2MB
MD5

bc0cc1e707b236fbd5cf9b27ff3c9461
SHA1

8b4c8c22c4b14dd5d9d6cc4975bf6f2af208e924
SHA256

dd3f16d98fa14d7e5fb83b3917ff3a42a5cf74356c4ec46391b608b20355d5fe
SHA512

df8bdce95f04ebf58112c994fc79792a76722f1ef7af5364994b1e46dafb517e9cc320a260a11b2336959a883c7d349bdd068f6bdcf01a83bd6e8ce964988688

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

788 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

788 WINWORD.EXE
788 WINWORD.EXE

pid	process
788	WINWORD.EXE

pid	process
788	WINWORD.EXE
788	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 788 wrote to memory of 1120	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 1120	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 1120	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 1120	788	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\dd3f16d98fa14d7e5fb83b3917ff3a42a5cf74356c4ec46391b608b20355d5fe(1).doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1120

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/1120-0-0x0000000000000000-mapping.dmp

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