Analysis
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max time kernel
146s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
05-03-2021 08:15
Behavioral task
behavioral1
Sample
Overdue-Debt-2011551101-03042021.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Overdue-Debt-2011551101-03042021.xls
Resource
win10v20201028
General
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Target
Overdue-Debt-2011551101-03042021.xls
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Size
76KB
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MD5
7a47928a225ce7f7ed46588ce33461d8
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SHA1
2ac088f42877472f9577f1d4b5ec7d103dcbb9db
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SHA256
7c5747c236ee6957a2cc3c33dba9d2888d8c1276430d3fc06f5c4b8552d55b3d
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SHA512
cf88be8d972a344da19b50a77c76102855f8f5167c00b63b798a4b0878d1d3c62dce5ab421a6d91e3b2b5f25c5a2c5605c0a1e3fdf21fd62b499e9468bbfbb60
Malware Config
Extracted
http://giftcard16.com/ozdomsmm/44260.3414311343.jpg
http://www.ausfencing.org/pafmwptlztwo/44260.3414311343.jpg
http://mubasharhussain.ml/lwjiel/44260.3414311343.jpg
http://artisthub.farahasmar.com/bzdydzj/44260.3414311343.jpg
http://rrmmarketing.com/qqduill/44260.3414311343.jpg
Signatures
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Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.exerundll32.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 672 1152 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1764 1152 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1812 1152 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1016 1152 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 976 1152 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\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 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\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt 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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1152 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 672 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1764 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1812 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 1016 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 EXCEL.EXE rundll32.exe PID 1152 wrote to memory of 976 1152 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\Overdue-Debt-2011551101-03042021.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Vijaser.lasjr,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Vijaser.lasjr1,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Vijaser.lasjr2,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Vijaser.lasjr3,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Vijaser.lasjr4,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/672-6-0x0000000000000000-mapping.dmp
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memory/672-7-0x00000000760C1000-0x00000000760C3000-memory.dmpFilesize
8KB
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memory/976-14-0x0000000000000000-mapping.dmp
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memory/1016-12-0x0000000000000000-mapping.dmp
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memory/1152-2-0x000000002FCE1000-0x000000002FCE4000-memory.dmpFilesize
12KB
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memory/1152-3-0x0000000071191000-0x0000000071193000-memory.dmpFilesize
8KB
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memory/1152-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1632-5-0x000007FEF72E0000-0x000007FEF755A000-memory.dmpFilesize
2.5MB
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memory/1764-8-0x0000000000000000-mapping.dmp
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memory/1812-10-0x0000000000000000-mapping.dmp