Analysis
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max time kernel
148s -
max time network
62s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
13-05-2021 12:55
Static task
static1
Behavioral task
behavioral1
Sample
catalog-2034469038.xls
Resource
win7v20210408
Behavioral task
behavioral2
Sample
catalog-2034469038.xls
Resource
win10v20210410
General
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Target
catalog-2034469038.xls
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Size
367KB
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MD5
8f39b777bbe0f2eb8820d03771b36499
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SHA1
38b041907c0678b88b1077996219f77d8ed69c1e
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SHA256
6a25a246beaf052796432b25ef9b1589930d867caa49ed6772b73c3b3cc26c52
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SHA512
65483f338c127b7703912d284d0aa70f6392fb9824c92c6657abeae12f9623fd9bb464f12f053d883f6189cfb884cf895e53044059084d4a9820fa38147c535c
Malware Config
Extracted
https://smartpalakatva.com/edQsUZOLlE/th.html
https://pilstlcommodities.com/Ov4FlB3lpy/th.html
Signatures
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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 1844 1828 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1228 1828 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 Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1828 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1844 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe PID 1828 wrote to memory of 1228 1828 EXCEL.EXE rundll32.exe
Processes
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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-2034469038.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1844 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1228-65-0x0000000000000000-mapping.dmp
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memory/1828-60-0x000000002FCE1000-0x000000002FCE4000-memory.dmpFilesize
12KB
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memory/1828-61-0x0000000070E31000-0x0000000070E33000-memory.dmpFilesize
8KB
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memory/1828-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1844-63-0x0000000000000000-mapping.dmp
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memory/1844-64-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB