3c59ad7c4426e8396369f084c35a2bd3f0caa3ba1d1a91794153507210a77c90

General

Target

mal.doc
Size

63KB
MD5

7b5f1c01980faf7801f16a761cb8d377
SHA1

ee47206c87482de1915b1e441a23a5b3473697e3
SHA256

3c59ad7c4426e8396369f084c35a2bd3f0caa3ba1d1a91794153507210a77c90
SHA512

26172fb0bbe1b3fc46fedd7a50eeba589134bb9feeb503271c52eec9ec973131b0cfd0a343232dd9f72552fe48dcd70244be416f80237cf9e5773766355e412a

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:

notepad.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	1384	532	notepad.exe	WINWORD.EXE

Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

notepad.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion notepad.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Drops file in Windows directory 2 IoCs

Processes:

WINWORD.EXEnotepad.exe

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
File created C:\Windows\6644.dat notepad.exe
Office loads VBA resources, possible macro or embedded object present

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	notepad.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE
File created	C:\Windows\6644.dat	notepad.exe

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
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\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
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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	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

532 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

notepad.exe

pid process

1384 notepad.exe
1384 notepad.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

532 WINWORD.EXE
532 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

532 WINWORD.EXE
532 WINWORD.EXE

pid	process
532	WINWORD.EXE

pid	process
1384	notepad.exe
1384	notepad.exe

pid	process
532	WINWORD.EXE
532	WINWORD.EXE

pid	process
532	WINWORD.EXE
532	WINWORD.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 532 wrote to memory of 1820	532	WINWORD.EXE	splwow64.exe
PID 532 wrote to memory of 1820	532	WINWORD.EXE	splwow64.exe
PID 532 wrote to memory of 1820	532	WINWORD.EXE	splwow64.exe
PID 532 wrote to memory of 1820	532	WINWORD.EXE	splwow64.exe
PID 532 wrote to memory of 1384	532	WINWORD.EXE	notepad.exe
PID 532 wrote to memory of 1384	532	WINWORD.EXE	notepad.exe
PID 532 wrote to memory of 1384	532	WINWORD.EXE	notepad.exe
PID 532 wrote to memory of 1384	532	WINWORD.EXE	notepad.exe
PID 532 wrote to memory of 1384	532	WINWORD.EXE	notepad.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\mal.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1820

C:\Windows\SysWOW64\notepad.exe
notepad.exe
2⤵
- Process spawned unexpected child process
- Checks BIOS information in registry
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Web Service

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/668-5-0x000007FEF7590000-0x000007FEF780A000-memory.dmp

Filesize
2.5MB

Download
memory/1384-3-0x0000000000000000-mapping.dmp

Download
memory/1384-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1820-2-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads