6f1eadba6e73d7451a46ae74d2dc9e7d31c9d119e739c44c35e7fbef7e121c69

General

Target

$RY22222G17222222222M9.doc
Size

399KB
MD5

908cb0ed7bdd34f4712318c8f2c75020
SHA1

acadaf2905c51eeff68ae9f4e9e15b1d29848de4
SHA256

6f1eadba6e73d7451a46ae74d2dc9e7d31c9d119e739c44c35e7fbef7e121c69
SHA512

dc297307efd3675fe6e4ecf930291b7d844ed700465d4072b62cb8e3b821989a7c2ecb9497a1c422beea4b7f132f74c61853fa62c7311e14b5b1e980b30ee7ba

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

Drops file in Windows directory 1 IoCs

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\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
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
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\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

Modifies registry class 18 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92C38A7D-241A-418C-9936-099872C9AF20}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\FLAGS	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3D5B21AC-748D-41DE-8F30-E15169586BD4}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{92C38A7D-241A-418C-9936-099872C9AF20}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\ = "Microsoft Terminal Services Control Type Library"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\0	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\HELPDIR	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Word8.0"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D5B21AC-748D-41DE-8F30-E15169586BD4}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3D5B21AC-748D-41DE-8F30-E15169586BD4}\ = "IMsRdpClientTransportSettings3"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92C38A7D-241A-418C-9936-099872C9AF20}\ = "ITSRemoteProgram2"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\0\win32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{92C38A7D-241A-418C-9936-099872C9AF20}\ = "ITSRemoteProgram2"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\FLAGS\ = "4"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{54199BF7-5471-4D1B-B3B1-1603329D6A72}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Word8.0\\MSTSCLib.exd"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D5B21AC-748D-41DE-8F30-E15169586BD4}\ = "IMsRdpClientTransportSettings3"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1904	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1904	WINWORD.EXE
1904	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1872	1904	WINWORD.EXE	26
PID 1904 wrote to memory of 1872	1904	WINWORD.EXE	26
PID 1904 wrote to memory of 1872	1904	WINWORD.EXE	26
PID 1904 wrote to memory of 1872	1904	WINWORD.EXE	26

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\$RY22222G17222222222M9.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1872-6-0x000007FEFBA71000-0x000007FEFBA73000-memory.dmp

Filesize
8KB

Download
memory/1904-2-0x0000000072571000-0x0000000072574000-memory.dmp

Filesize
12KB

Download
memory/1904-3-0x000000006FFF1000-0x000000006FFF3000-memory.dmp

Filesize
8KB

Download
memory/1904-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing