Analysis
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max time kernel
69s -
max time network
125s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-03-2021 03:31
Behavioral task
behavioral1
Sample
CompensationClaim_847899379_03122021.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
CompensationClaim_847899379_03122021.xls
Resource
win10v20201028
General
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Target
CompensationClaim_847899379_03122021.xls
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Size
280KB
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MD5
3e7a0655c80129cc84e6b0415f0acedf
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SHA1
1def6f7e96b0f4a8b4300cb1dd1bde39bed50520
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SHA256
908cc857270fcc0f0c278165df9cf6b5ff008388722e687eb9d6544def9c49db
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SHA512
f5c040662fee49c81d2bd21409ca84d2c3083b4253fdfe8765d47c41b608f2a741b725901f256c17725c7089daa30a4f3151dc31478b240cdd3d72363b188041
Malware Config
Extracted
http://185.82.219.161/44268.1496346065.dat
http://45.140.146.26/44268.1496346065.dat
http://188.127.227.167/44268.1496346065.dat
http://44268.1496346065.dat
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.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 584 1924 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 528 1924 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 964 1924 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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1924 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1924 EXCEL.EXE 1924 EXCEL.EXE 1924 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 584 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 528 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 EXCEL.EXE rundll32.exe PID 1924 wrote to memory of 964 1924 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\CompensationClaim_847899379_03122021.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtim.broks,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:584 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtim.broks1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:528 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtim.broks2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:964
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/528-8-0x0000000000000000-mapping.dmp
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memory/584-6-0x0000000000000000-mapping.dmp
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memory/584-7-0x0000000075AE1000-0x0000000075AE3000-memory.dmpFilesize
8KB
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memory/964-10-0x0000000000000000-mapping.dmp
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memory/1904-5-0x000007FEF6680000-0x000007FEF68FA000-memory.dmpFilesize
2.5MB
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memory/1924-2-0x000000002F081000-0x000000002F084000-memory.dmpFilesize
12KB
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memory/1924-3-0x0000000071821000-0x0000000071823000-memory.dmpFilesize
8KB
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memory/1924-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB