Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 12:55
Static task
static1
Behavioral task
behavioral1
Sample
catalog-2067790092.xls
Resource
win7v20210410
Behavioral task
behavioral2
Sample
catalog-2067790092.xls
Resource
win10v20210408
General
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Target
catalog-2067790092.xls
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Size
367KB
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MD5
0e233d233fe28fdec10cc9840c1e347e
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SHA1
79b4f1fb4d46a42b21a47a07626dca0944ecf243
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SHA256
ba0435c6e249638889beae55cce35a295588435c83d4467d2e01422e0e10e6a6
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SHA512
d72164de9d8f48a5e2bc710f568ee4d4b10c2c9754359c1d418256a24ddaa4bb36aeeda08abc71e59d7ad2af13246713cc1ce9d51e666c87fc15f4b028f929ea
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 604 1104 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 932 1104 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 (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 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE 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 (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1104 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1104 EXCEL.EXE 1104 EXCEL.EXE 1104 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 604 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 EXCEL.EXE rundll32.exe PID 1104 wrote to memory of 932 1104 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-2067790092.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:604 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\tuti.rut1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:932
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/604-63-0x0000000000000000-mapping.dmp
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memory/604-64-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB
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memory/932-65-0x0000000000000000-mapping.dmp
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memory/1104-60-0x000000002FA81000-0x000000002FA84000-memory.dmpFilesize
12KB
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memory/1104-61-0x0000000071D01000-0x0000000071D03000-memory.dmpFilesize
8KB
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memory/1104-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB