5a1a2305dc64b326633a730afb6f964f8a8b30630546e4076c5d185688d4ef24

General

Target
jaffacakes118_5a1a2305dc64b326633a730afb6f964f8a8b30630546e4076c5d185688d4ef24.lnk
Size 1024B
Sample260910-js594szfpg
SHA256 5a1a2305dc64b326633a730afb6f964f8a8b30630546e4076c5d185688d4ef24
MD5 101f357bb426987ca9342611be13de34
SHA1 1db96d1559240df9f7a986400b71f245127552c1
SHA512 434a98f95d28bda36145d4448578a03109bffe1371c0d315476df21a951a3d5a5eae44f89002f66740de402fc869eaab417e418e9824546f9f85ab3b2c7ccd87
TLSH
T1C01197008BF74B0DE7214730A83BA394A63BB805FDAA83CD51042B941837002B22CF2B
MD5 SHA1 SHA512 TLSH

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Public\desktop.ini	explorer.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	explorer.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	explorer.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3640	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe

Modifies registry class 24 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 3a001f481cffcda87848be43b5fdf8091c1c60d0260001002600efbe110000003ca843adad0fdd014cb317a8ba0fdd014cb317a8ba0fdd0114000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\NodeSlot = "2"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\NotificationData	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents"	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4260	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4260	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4260	explorer.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 5828	3640	cmd.exe	90

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_5a1a2305dc64b326633a730afb6f964f8a8b30630546e4076c5d185688d4ef24.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe" Photo.scr
  2⤵
  - Modifies registry class
  PID:5828

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Drops desktop.ini file(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4260

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3224