dd223178e1a516f428a2bcfa790a49eb437651d648fee4d7441dc106cf04df3a

Target

IAHRA.doc
Size

90KB
MD5

026e53d4cabe762ed84fafdd6243483d
SHA1

e9f07fd33d7dd014015d018f9d7abe0fb489bb95
SHA256

dd223178e1a516f428a2bcfa790a49eb437651d648fee4d7441dc106cf04df3a
SHA512

0025ebcf6705effde6b20af658cd441aca51cf9c438ba56909de5ca5bb99f1cee561cde0f16003380dfa4058511c68c65fbaafb805ff147728eebe4fc09a98ba

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\E&xport to Microsoft Excel	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
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 (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\Toolbar	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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2028 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2028 WINWORD.EXE
2028 WINWORD.EXE

pid	process
2028	WINWORD.EXE

pid	process
2028	WINWORD.EXE
2028	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2028 wrote to memory of 1976	2028	WINWORD.EXE	splwow64.exe
PID 2028 wrote to memory of 1976	2028	WINWORD.EXE	splwow64.exe
PID 2028 wrote to memory of 1976	2028	WINWORD.EXE	splwow64.exe
PID 2028 wrote to memory of 1976	2028	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\IAHRA.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1976

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/1976-5-0x0000000000000000-mapping.dmp

Download
memory/1976-6-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

Filesize
8KB

Download
memory/2028-2-0x0000000073011000-0x0000000073014000-memory.dmp

Filesize
12KB

Download
memory/2028-3-0x0000000070A91000-0x0000000070A93000-memory.dmp

Filesize
8KB

Download
memory/2028-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General