Analysis
-
max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 12:55
Static task
static1
Behavioral task
behavioral1
Sample
catalog-2015381752.xls
Resource
win7v20210410
Behavioral task
behavioral2
Sample
catalog-2015381752.xls
Resource
win10v20210410
General
-
Target
catalog-2015381752.xls
-
Size
367KB
-
MD5
2b0059a2d746cbb36071a3549d1b0aee
-
SHA1
0d35e67aee4c2a9b8961989f2a5d7db96d34667d
-
SHA256
f26af7447fceee713d76b44cd568935348d56e564e9088c175c14a85414bbe9e
-
SHA512
e3bcea63b7b87369d925e8fe7f323564ae11db6a32b28275d8448aa49a8ed93c1e2b081c8b6e08b4a8f17175fd0698f73aec748110e5cf0d58e8dab258312d4d
Malware Config
Extracted
https://smartpalakatva.com/edQsUZOLlE/th.html
https://pilstlcommodities.com/Ov4FlB3lpy/th.html
Signatures
-
Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1148 1048 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 684 1048 rundll32.exe EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1048 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1048 EXCEL.EXE 1048 EXCEL.EXE 1048 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 1148 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe PID 1048 wrote to memory of 684 1048 EXCEL.EXE rundll32.exe
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\catalog-2015381752.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut,DllRegisterServer2⤵
- Process spawned unexpected child process
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut1,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/684-64-0x0000000000000000-mapping.dmp
-
memory/1048-59-0x000000002F9D1000-0x000000002F9D4000-memory.dmpFilesize
12KB
-
memory/1048-60-0x00000000711A1000-0x00000000711A3000-memory.dmpFilesize
8KB
-
memory/1048-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1148-62-0x0000000000000000-mapping.dmp
-
memory/1148-63-0x0000000075721000-0x0000000075723000-memory.dmpFilesize
8KB