7cf248bdae62a6ff5bbc41566eba5c85b3eaf6f5b22cdf46e56d2cb63a69ccba

General

Target

0204_170387664101931.doc
Size

365KB
MD5

afdabb0054f015084c55a446118e3473
SHA1

990487f1398d3fe950e38d20ca3f5d271ac7abf9
SHA256

7cf248bdae62a6ff5bbc41566eba5c85b3eaf6f5b22cdf46e56d2cb63a69ccba
SHA512

017d5efb60342835c17b563a8499b13f5f4eb1232db33acd31caa076e31f62539867765891ccd88503a1bc2727c36b4a5fcf7d33242096b656182878982b097e

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	2040	308	rundll32.exe	WINWORD.EXE

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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

308 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE
308	WINWORD.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 308 wrote to memory of 1984	308	WINWORD.EXE	splwow64.exe
PID 308 wrote to memory of 1984	308	WINWORD.EXE	splwow64.exe
PID 308 wrote to memory of 1984	308	WINWORD.EXE	splwow64.exe
PID 308 wrote to memory of 1984	308	WINWORD.EXE	splwow64.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.exe
PID 308 wrote to memory of 2040	308	WINWORD.EXE	rundll32.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\0204_170387664101931.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1984

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\word\startup\W0rd.dll,UninstallFont
2⤵
- Process spawned unexpected child process
PID:2040

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/308-2-0x00000000722A1000-0x00000000722A4000-memory.dmp

Filesize
12KB

Download
memory/308-3-0x000000006FD21000-0x000000006FD23000-memory.dmp

Filesize
8KB

Download
memory/308-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/308-9-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1984-5-0x0000000000000000-mapping.dmp

Download
memory/1984-6-0x000007FEFB6F1000-0x000007FEFB6F3000-memory.dmp

Filesize
8KB

Download
memory/2040-7-0x0000000000000000-mapping.dmp

Download
memory/2040-8-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads