f6590aae7844a0b967e18079b5dab759fa48b6c79c89fb7ef5a1ff6a06c4f370

General

Target

f6590aae7844a0b967e18079b5dab759fa48b6c79c89fb7ef5a1ff6a06c4f370.doc
Size

35KB
MD5

f945e368eae3d1d0d71bec2c240c13c1
SHA1

172b78b4fde560a29c7ca12b296c20437e9a5491
SHA256

f6590aae7844a0b967e18079b5dab759fa48b6c79c89fb7ef5a1ff6a06c4f370
SHA512

39e1513a1cb35435f1fb21edb00b24dc71be0ab28f65577eaa510ee093106953375a07de76e2b3ec83e0aa3548e7ec4b6f3d6784059ce3d2231985ab10515908
SSDEEP

384:QE8iSwvxjk+tyTbMkcJ0NaCy2550jK4jZtlrCFeFa:Qqxw+t4BcJ0MaHQCFeFa

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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1708 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1708 WINWORD.EXE
1708 WINWORD.EXE

pid	process
1708	WINWORD.EXE

pid	process
1708	WINWORD.EXE
1708	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1708 wrote to memory of 992	1708	WINWORD.EXE	splwow64.exe
PID 1708 wrote to memory of 992	1708	WINWORD.EXE	splwow64.exe
PID 1708 wrote to memory of 992	1708	WINWORD.EXE	splwow64.exe
PID 1708 wrote to memory of 992	1708	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\f6590aae7844a0b967e18079b5dab759fa48b6c79c89fb7ef5a1ff6a06c4f370.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:992

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/992-59-0x0000000000000000-mapping.dmp

Download
memory/992-60-0x000007FEFBDF1000-0x000007FEFBDF3000-memory.dmp

Filesize
8KB

Download
memory/1708-63-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-64-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-58-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1708-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1708-55-0x0000000070361000-0x0000000070363000-memory.dmp

Filesize
8KB

Download
memory/1708-62-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-54-0x00000000728E1000-0x00000000728E4000-memory.dmp

Filesize
12KB

Download
memory/1708-57-0x000000007134D000-0x0000000071358000-memory.dmp

Filesize
44KB

Download
memory/1708-65-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-61-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-66-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-67-0x0000000000793000-0x0000000000797000-memory.dmp

Filesize
16KB

Download
memory/1708-73-0x000000007134D000-0x0000000071358000-memory.dmp

Filesize
44KB

Download
memory/1708-74-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1708-75-0x000000007134D000-0x0000000071358000-memory.dmp

Filesize
44KB

Download

Analysis

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